| Download | 0423 | FM | May 29, 2025 | Change to Identification of FM Series Membranes |
| Download | 0422 | JW, EB, FB, SB, SK, CS | April 25, 2025 | Changes to Epoxy Seal at Base of Terminals |
| Download | 0421 | JP | April 25, 2025 | Change to Switch Case Material & UL Upgrade |
| Download | 0419-A | S & SW | March 31, 2025 | Effective Date to be Revised & Announced at Later Date |
| Download | 0418-A | S, LW, SW, & SB | March 31, 2025 | Effective Date Revised to April 2025 for Specific Changes; Other Changes to be Implemented at Later Date |
| Download | 0420 | JB | February 28, 2025 | Change to Location of Production for JB Series Caps |
| Download | 0419 | S & SW | February 10, 2025 | Changes for Specific Models of S Series Toggles & SW Series Rockers |
| Download | NSA-009 | M | January 16, 2025 | Discontinuation of Hardware Kits for M Series Rockers Panel Mounting |
| Download | 0418 | S, LW, SW & SB | December 24, 2024 | Changes to the Design of Specific Models in Each Series |
| Download | 0417 | AT4001, AT4002, AT4011, AT4145 | October 30, 2024 | Changes to Gaskets of Dust Covers |
| Download | 0416 | GW | October 30, 2024 | Change to Method of Identification on GW Series Rockers & Paddles |
| Download | 0415 | FT | July 31, 2024 | Changes to FPC Tails for 5-Wire Analog Resistive Touch Screens |
| Download | 0414 | Various | July 9, 2024 | Discontinuation of Specific NKK Products |
| Download | 0413 | M2B | June 27, 2024 | Changes to Color of Epoxy Seal for Terminals |
| Download | 0412-A | MBN & WB | June 27, 2024 | Changes to Structure, Material & Production Location of AT412 Caps |
| Download | NSA-008 | IS | May 29, 2024 | Discontinuation of Controller Board for OLED Rocker |
| Download | 0412 | MBN & WB | April 24, 2024 | Changes to Underside Structure & Material of AT412 Caps |
| Download | 0411 | JW | March 29, 2024 | Changes to Material of Caps & Case/Base; Changes to Identification |
| Download | 0410 | JW | March 29, 2024 | Changes to Material of Caps & Case/Base; Changes to Identification |
| Download | 0409 | WT, WR & WB | February 29, 2024 | Change to Switch Case Material |
| Download | 0408 | FD01 & FD02 | February 8, 2024 | New Ultra-Thin DIP Rotary Switches |
| Download | 0407 | Various | December 21, 2023 | Discontinuation of Specific NKK Products with CSA Approval |
| Download | 0406 | FR01, MR & MRB | December 21, 2023 | Changes for AT4103 & AT4104 Knobs for Rotary Switches |
| Download | 0405 | FR01, MR & MRB | November 28, 2023 | Changes to Location of Production for AT433 Rotary Switches Knob |
| Download | 0404 | ND & ND3 | November 28, 2023 | Discontinuation of ND & ND3 Series Rotaries |
| Download | 0403 | LP01 | September 29, 2023 | Changes for Bright Red LED Specifications |
| Download | 0350-A | IS | July 31, 2023 | Revision to Changes for IC Chip in SmartDisplay 64 x 32 Switches & Displays |
| Download | 0401 | LW | May 31, 2023 | Changes to Methods of Identification on LW3021A Rocker |
| Download | 0400 | Various | May 4, 2023 | Discontinuation of Specific NKK Products |
| Download | 0399 | JF & KP | April 24, 2023 | JF: Discontinuation of Tactile with Square Actuator, Full Face Illumination; KP: Discontinuation of Pushbutton with Amber/Blue Bicolor LED |
| Download | 0398 | UB2 | March 24, 2023 | Changes for Super Bright Green LEDs in Pushbuttons & Indicators |
| Download | 0397 | UB & UB2 | March 24, 2023 | Changes for Bright Red LEDs in Pushbuttons & Indicators |
| Download | 0396 | MLW; EB, M, MB24 & MB25 | January 31, 2023 | Discontinuation of MLW Rockers & Paddles; Discontinuation of AT208 Bezel & AT070 LED |
| Download | 0395 | LP01, YB & YB2 | January 20, 2023 | Changes to Color of Epoxy Seal for Terminals |
| Download | NSA-007 | IS | January 13, 2023 | Discontinuation of IS Series Development Kits & New Engineering Kits Available |
| Download | 0394 | SM | December 16, 2022 | Changes to Standoffs on SM Series Slides |
| Download | 0393 | JS04 | December 1, 2022 | Discontinuation of JS04 Series SMT DIP Slides |
| Download | 0392 | UB2 | October 31, 2022 | Changes for Super Bright Blue LEDs in Pushbuttons & Indicators |
| Download | 0354-A | UB2 | October 14, 2022 | Revision to Location of Production for UB2 Series Caps Announced in CN-0354 |
| Download | NSA-006 | M | October 13, 2022 | Discontinuation of M Series Toggles with E4 Flatted Levers |
| Download | 0391 | SK | August 25, 2022 | Discontinuation of Low Security SK Keylocks with CSA Approval |
| Download | 0390 | NP01 | June 30, 2022 | Discontinuation of Illuminated with Bicolor Amber/Blue LED, Nonilluminated & Illuminated Pushbuttons |
| Download | 0389 | LB, UB & UB2 | June 24, 2022 | Changes to Color of Epoxy Seal for Terminals |
| Download | 0388 | GB & GW | May 31, 2022 | Changes to Location & Production for GB Pushbuttons & GW Rockers & Paddles |
| Download | 0383 | KP04 | March 23, 2022 | New Illuminated Surface Mount Pushbuttons |
| Download | 0385 | UB | March 11, 2022 | Changes for Super Bright White LEDs |
| Download | GL-002 | M | December 22, 2021 | Discontinuation of Inactive M Series Toggle Configurations |
| Download | 0381 | LW & MLW Series | December 17, 2021 | Changes to Location & Production for LW & MLW Series Rockers |
| Download | 0380 | TL & DS Series | December 17, 2021 | Changes to Location & Production for TL Illuminated Toggles & DS Tilt Switches |
| Download | 0379 | MS & SS | November 30, 2021 | Changes to LEDs for MS & SS Illuminated Slides |
| Download | 0378 | YB | November 30, 2021 | Changes for YB Spot Illuminated Pushbutton with 24V Amber LED & Resistor |
| Download | 0369-A | GB & GW | November 30, 2021 | Revision to Effective Dates for GB & GW Series Location & Production Changes |
| Download | 0377 | YB2 | September 30, 2021 | Discontinuation of Unbrushed Chrome Caps |
| Download | 0376 | YB | September 30, 2021 | Changes to LED Specifications for YB Series Spot Illuminated Red/Green Bicolor Pushbuttons |
| Download | NSA-005 | KP | September 17, 2021 | Discontinuation of RGB 8-Pin Pushbuttons & Replacement with RGBP 4-Pin Pushbuttons |
| Download | NSA-004 | IS | September 7, 2021 | Discontinuation of IS Series Controller Boards |
| Download | 0375 | TP02 | August 31, 2021 | Discontinuation of Multi-Touch Controller Board & IC Chip for TP02 Series Touch Screens |
| Download | 0374 | MR | August 31, 2021 | Component Design Change for MRA Rotaries |
| Download | 0373 | MB2000 | June 30, 2021 | Changes to Location of Production for AT407 Caps for MB2000 Pushbuttons |
| Download | 0372 | JF | May 28, 2021 | Changes to LEDs for JF Series Full Face Illuminated Tactiles |
| Download | NSA-003 | IS | May 26, 2021 | Discontinuation & Replacement of IS-DEV KIT-7 & IS-DEV KIT-9 |
| Download | 0371 | M2100 & LB | May 14, 2021 | Changes to LED Specifications for M2100 Paddles & LB Spot Illuminated Pushbuttons |
| Download | 0370 | SK & NR01 | April 26, 2021 | Changes to Location & Production for SK Antistatic Process Sealed Keylocks & NR01 Rotaries |
| Download | 0369 | GB & GW | April 26, 2021 | Changes to Location & Production for GB Pushbuttons & GW Rockers & Paddles |
| Download | 0368 | M, EB & MB2400 | April 26, 2021 | Discontinuation of AT618 LED & AT213 Bezel & Alternates |
| Download | 0367 | LB | January 29, 2021 | Discontinuation & Replacement of Bright LED & Caps |
| Download | 0365 | FT | October 30, 2020 | Changes to FPC Tails for FT Series 4-Wire & 5-Wire Analog Touch Screens |
| Download | 0364 | JF | October 12, 2020 | Changes to LED Specifications & Spot Illuminated Lens for JF Series Tactiles |
| Download | 0363 | TP01 | September 3, 2020 | Discontinuation of TP01 Series Touch Screens &Replacement with TP02 Series Touch Screens |
| Download | 0362 | TP02 | August 31, 2020 | New 4-Wire Analog Touch Screens |
| Download | 0360 | FF01 | May 12, 2020 | New Emergency Stop Pushbuttons |
| Download | 0358 | HB | April 15, 2020 | Changes for AT633 Bright LEDs |
| Download | 0357 | M, M2T, MLW, CWSC & S | February 4, 2020 | New EU-RoHS Directive |
| Download | 0356 | EB, M, MB2400, MB2500 | December 2, 2019 | Changes for AT617 LED & AT212 Bezel |
| Download | 0355 | Various | August 22, 2019 | Product Discontinuation |
| Download | 0354 | UB2 | July 23, 2019 | Changes to Production Location for UB2 Series Caps |
| Download | 0352 | All | July 23, 2019 | Compliance with EU-RoHS Environmental Standards & Substances |
| Download | 0353 | WR | June 14, 2019 | Change in Material for WR Series Flange Gasket |
| Download | 0351 | M | April 26, 2019 | Change in Rating to IP68 |
| Download | 0350 | IS | April 15, 2019 | Changes for IC Chip in SmartDisplay 64 x 32 Switches & Displays |
| Download | 0349 | WT | March 19, 2019 | Changes in Material for WT Series Internal O-ring |
| Download | 0348 | M2 | March 19, 2019 | Changes to Production for M2 Toggles, Rockers & Pushbuttons |
| Download | 0346 | KP | January 10, 2019 | Changes to Production Location for KP Series Caps |
| Download | GL-001 | S | December 11, 2018 | Changes to Electrical Specification for S Toggles |
| Download | 0344 | FP01 | November 30, 2018 | Changes for Green LED Specifications |
| Download | 0343 | G Indicators | November 30, 2018 | Changes for Red, Yellow & Green LED Specifications |
| Download | 0340 | IS | November 20, 2018 | Changes for OLED Module & Driver IC in SmartDisplay Rocker |
| Download | 0342 | S | October 31, 2018 | New Dual Seal Waterproof Toggle |
| Download | 0339 | S & SW | August 31, 2018 | Changes to Identification on Label for S821 & SW3821 |
| Download | 0338 | A Indicators | August 31, 2018 | Changes for Red, Yellow & Green LED Specifications |
| Download | NSA-002 | WR | July 26, 2018 | Discontinuation of WR Series Rockers with VDE Approval |
| Download | 0335 | KP | July 3, 2018 | Discontinuation of Red/Green LED & Replacement with Red/Green/Blue LED |
| Download | 0336 | UB | June 29, 2018 | Changes for White & Blue Super Bright LEDs |
| Download | 0334 | S, SW & SB | June 1, 2018 | Changes in Production for S Toggles, SW Rockers & SB Pushbuttons |
| Download | 0319-A | S | May 10, 2018 | Revision to Production Change for S30s & S40s Toggles Announced in CN-0319 |
| Download | 0333 | SK & NR01 | April 26, 2018 | Changes to Production & Location for SK Antistatic Process Sealed Keylocks & NR01 Rotaries |
| Download | 0332 | IS | April 26, 2018 | Changes to Production & Location for IS Series OLED Switches |
| Download | 0331 | A Indicators & AS Slides | April 26, 2018 | Changes to Production & Location for A Indicators & AS Slides |
| Download | 0330 | SK | April 26, 2018 | Changes to Production & Location for SK Low & Medium Security Keylocks |
| Download | 0329 | FT | April 26, 2018 | Replacement of Controller Boards |
| Download | 0328 | YB | March 29, 2018 | Changes to LEDs for YB Spot Illuminated Pushbuttons |
| Download | 0327 | AT600 Lamps & LEDs | March 14, 2018 | Changes to Material of Lamp Holder Base & Identification for Specific AT Accessories |
| Download | 0326 | SW | February 27, 2018 | Discontinuation of SW3006A Rocker with VDE Approval |
| Download | 0325 | FT | January 9, 2018 | Change of IC Chip for Analog Touch Screen Controller Board |
| Download | 0324 | YB | December 12, 2017 | Changes to Production Location for YB Spot Illuminated Caps |
| Download | 0323 | MR | December 8, 2017 | Changes to Production & Location for MRA, MRF & MRK Rotaries |
| Download | 0322 | LW | December 6, 2017 | Changes to Identification for High Capacity Rocker LW3021A |
| Download | 0319 | S | December 4, 2017 | Changes to Location, Production, Identification & UL Factory Code for S30s & S40s Toggles |
| Download | 0318 | FB & SB | November 30, 2017 | Changes to Location & Production, Logo & UL Factory Code for FB & SB Pushbuttons |
| Download | 0317 | IS | October 27, 2017 | Changes to Location & Production for IS Series 36 x 24 LCD Pushbuttons & Displays |
| Download | 0320 | FT | October 23, 2017 | 4-Wire Analog Resistive Touch Screens with FPC Tails |
| Download | 0316 | JP | October 20, 2017 | Changes to Location & Production for JPM & JPL Pushbuttons |
| Download | 0315 | JWS | September 8, 2017 | Changes to Cap Material, Production & UL Approval for JWS Rocker Switches |
| Download | 0314 | YB | August 30, 2017 | Changes to Production Location for YB Illuminated Pushbutton Caps |
| Download | 0312 | DS | August 11, 2017 | Changes to DSA01 Internal Rubber Rings |
| Download | 0311 | TL | August 2, 2017 | Changes to LED Specifications for TL Toggles *Red & Amber Only |
| Download | 0308 | D2, DB & SM | July 28, 2017 | Changes to Production for D2 Toggles, DB Pushbuttons & SM Slide Switches |
| Download | 0307 | JF & JL | July 26, 2017 | Changes to Production for JF Illuminated, Nonilluminated & Indicators, JL Illuminated Tactile Switches |
| Download | 0306 | HB & HB2 | July 20, 2017 | Changes to Production for HB Illuminated Pushbutton & Indicators, HB2 Illuminated Pushbutton. |
| Download | 0305 | KB | July 13, 2017 | Changes to Location & Production for KB Illuminated Pushbuttons & Indicators |
| Download | 0304 | SK | May 12, 2017 | Changes to Location & Production for SK Process Sealed PCB Mount Keylocks |
| Download | 0303 | IS | May 12, 2017 | Changes to Location & Production for IS 64 x 32 LCD Switches & Displays |
| Download | 0301 | FT | February 28, 2017 | Expanded Sizes for Touch Screens |
| Download | 0296-A | P Toggles | February 27, 2017 | Changes for Levers & Approvals |
| Download | 0296 | P Toggles | February 27, 2017 | Changes for Levers & Approvals |
| Download | 0300 | FT Series | February 23, 2017 | IC Chip for Analog Touch Screen Controller Board |
| Download | 0299 | A Indicators | February 17, 2017 | Discontinuation of A02P, Replaced with A01P |
| Download | 0298 | FT | February 8, 2017 | Changes to Connectors for Touch Screen Controller Board |
| Download | NSA-001 | IS | January 5, 2017 | Changes for LCD Driver in SmartDisplay 36 x 24 Switches & Displays |
| Download | 0294 | MR & MRB | December 20, 2016 | Changes to Location & Production for MRT & MRB Rotaries; Logo & Factory Code Added for MRT Rotaries |
| Download | 0293 | MR | December 8, 2016 | Changes to Location & Production for MRX & MRY Rotaries |
| Download | 0292 | LP01, YB & YB2 | November 29, 2016 | Changes to Location, Production & UL Factory Code for LP01, YB & YB2 Pushbuttons |
| Download | 0291 | GB2 & SS3 | November 21, 2016 | Changes to Location & Production for GB2 Pushbuttons & SS3 Slides |
| Download | 0288-B | M2100 | November 21, 2016 | Changes to LED Specifications for M2100 Toggles & Rockers *Yellow Only |
| Download | 0290 | SB | November 2, 2016 | Changes to Location, Production & UL Factory Code for SB Pushbuttons |
| Download | 0295 | LP01 | October 28, 2016 | New Spot Illuminated Pushbuttons |
| Download | 0289 | YB | October 18, 2016 | Changes to LEDs for YB Spot Illuminated Pushbuttons |
| Download | 0287 | HB2 | October 6, 2016 | Changes to LED Specifications for Bicolors |
| Download | 0286 | EB, M, MB2400 & MB2500 | October 3, 2016 | Changes to specification for AT617F LED |
| Download | 0285 | S & SCB | September 30, 2016 | Changes to Location & Production for S Toggles; Identification & Logo for SCB Pushbuttons |
| Download | 0288-A | M2100 | September 28, 2016 | Changes to LED Specifications for M2100 Toggles & Rockers *Green & Red Only |
| Download | 0284 | S | September 12, 2016 | Changes to Location, Production & UL Factory Code for S Toggles |
| Download | 0283 | S & SW | August 26, 2016 | Changes to Location & Production for S Toggles & SW Rockers; UL Factory Code for S Toggles |
| Download | 0282 | JP | August 10, 2016 | Change to Stationary Contact Material |
| Download | 0281 | AT600 Lamps & LEDs | August 2, 2016 | Changes to Production Location & Identification of Specific AT Accessories |
| Download | 0280 | P | July 25, 2016 | Changes to Location & Production for P Toggles & Rockers |
| Download | 0279 | G | July 7, 2016 | Changes to Location & Production for G Toggles with Right Angle & Vertical Terminals |
| Download | 0278 | G | June 29, 2016 | Changes to Location & Production for G Toggles & Rockers |
| Download | 0277 | LB | June 21, 2016 | Changes to LB PCB Adaptors AT711 & AT712 |
| Download | 0276 | BB, KP01 & KP02 | June 16, 2016 | Changes to Location & Production for BB Pushbuttons, KP01 & KP02 Illuminated Pushbuttons |
| Download | 0275 | B Toggles | June 7, 2016 | Changes to Location & Production for B Toggles |
| Download | 0274 | S Toggles | June 3, 2016 | Replacement of S Series B Type Toggles |
| Download | 0270 | M Toggle | April 28, 2016 | New Dual Seal Waterproof Toggle |
| Download | 0271 | B & GB | April 15, 2016 | Change to LED Specifications |
| Download | 0273 | S & SW | April 15, 2016 | Changes to Location & Production for S Toggles & SW Rockers; Logo for S Toggles; UL Factory Code for S Toggles & SW Rockers |
| Download | 0272 | LB, UB & UB2 | April 15, 2016 | Changes to Lot No., Shipping Box, UL Factory Code, Logo |
| Download | 0269 | S, ST, WT, LW, WR & WB | April 1, 2016 | Change to Terminal Plating Material |
| Download | 0268 | JWS Rockers | March 16, 2016 | Change to Logo and Cap Material |
| Download | 0264 | S & SB | March 16, 2016 | Change of Production Location, UL Mark |
| Download | 0265 | EB, MB, CS, & MS | March 16, 2016 | Change of Production Location, UL Mark |
| Download | 0263 | JL | March 16, 2016 | Change to LED Specifications |
| Download | 0261 | KB, LB, YB & YB2 | March 16, 2016 | Change to Super Bright White LED Specifications |
| Download | 0262 | FT | March 16, 2016 | Change to Digital Touch Screen ITO Film |
| Download | 0250-2 | NP01 | March 16, 2016 | Change of Single Color LED Specifications |
| Download | 0259 | JB & JWS | March 16, 2016 | Change to LED Specifications |
| Download | 0260 | HB & TL | March 16, 2016 | Change to Super Bright White LED Specifications |
| Download | 0255 | JW | March 16, 2016 | Change to JWL and JWLW Contact Material |
| Download | 0251 | YB | March 16, 2016 | Bicolor LED Specification for AT621 |
| Download | 0258 | MS | March 16, 2016 | Change to Frame of SP with Straight PC Terminals |
| Download | 0256 | SW | March 16, 2016 | Deletion of Factory Code on SW3006A/U Case |
| Download | 0257 | M, M2 Toggles, M, M2 Rockers, M2B, MB Pushbuttons | March 16, 2016 | Change to Size of CSA Mark |
| Download | 0253 | CKM & CKL | March 16, 2016 | Change to Identification Label on Switch Bodies |
| Download | 0254 | WT | March 16, 2016 | Revisions to Lever Base, Stopper & Guide on Single Pole Models |
| Download | 0250-1 | NP01 | March 16, 2016 | Change of Bicolor LED Specifications |
| Download | 0252 | WT, WR & WB | March 16, 2016 | Change to Identification Label on Switch Bodies |
| Download | 0248 | S Toggles | March 16, 2016 | Change to Method of Identification for S Toggles with Flat Lever |
| Download | 0249-1 | GW | March 16, 2016 | Change to Method of Identification for GW Rockers & Paddles, GW Illuminated Paddles |
| Download | 0249-2 | GW | March 16, 2016 | Revision to Vertical PC Terminals on GW Rockers & Paddles, GW Illuminated Paddles |
| Download | 0238 | DB, EB, M2B, MB2000, MB24 & MB25 | March 16, 2016 | Change of Plunger Dimensions |
| Download | 0247 | S, ST, LW, SW, SB & SDB | March 16, 2016 | Change to Method of Identification for S & ST Toggles, LW & SW Rockers, SB & SDB Pushbuttons |
| Download | 0244 | SS | March 16, 2016 | Change to the Lot Code Mark on SS Slide Switch Case |
| Download | 0245 | S Toggles & SB Pushbuttons | March 16, 2016 | Change to Identification Label for Toggles S331T, S421T and Pushbuttons SB221TNC, SB221TNO |
| Download | 0242 | B | March 16, 2016 | Change to Identification Plate on B Series Locking Lever |
| Download | 0243 | IS | March 16, 2016 | Discontinuation of IS Part Numbers & Replaced with Wide View Models |
| Download | 0239 | IS | March 16, 2016 | New Logo, Dot with Lot No. & Elimination of Japan Marking on Switch Case; Changes to Product Packaging |
| Download | 0240 | HB | March 16, 2016 | LED Specification Changes for AT633 |
| Download | 0216-TL-B | TL | March 16, 2016 | Change of Super Bright LED Specifications for PN TL22DNAW016F |
| Download | 0212-A | G & GW | March 16, 2016 | Change to G Toggles & GW Paddles LED Specifications *Red Only |
| Download | 0236 | JWMW | March 16, 2016 | Change of Gasket Material |
| Download | 0237 | JWMW | March 16, 2016 | Change to UL Code Marking, Logo & Packaging |
| Download | 0216-D | HB | March 16, 2016 | Change of Super Bright LED Specifications *Blue Only |
| Download | 0234 | SK | March 16, 2016 | Change to Color of Disposable Boot |
| Download | 0235 | JWM, JWL & JWLW | March 16, 2016 | Change to UL Code Marking |
| Download | 0228 | M2T & M2B | March 16, 2016 | Change of Bracket Plating on Right Angle Mount Toggles, Rockers and Pushbuttons |
| Download | 0216-C | KB, LB, YB & YB2 | March 16, 2016 | Change of Super Bright LED Specifications *Green LED |
| Download | 0226 | KP | March 16, 2016 | Change of Super Bright Bicolor LED Specifications |
| Download | 0227 | FR01 | March 16, 2016 | Change of Font on Dial Actuator |
| Download | 0225 | FT | March 16, 2016 | Change to Touch Screen IC Firmware |
| Download | 0223 | KP & IS | March 16, 2016 | Change of Material & Plating for Stationary Contacts and Terminals |
| Download | 0224 | S & SW | March 16, 2016 | Change of Material to Magnet Support for DC Rated Toggles & Rockers |
| Download | 0216-TL-A | TL | March 16, 2016 | Change of Super Bright LED Specifications for PN TL22DNAW016G |
| Download | 0211A | UB2 | March 16, 2016 | Change to Super Bright LED Specifications |
| Download | 0233 | All Products | March 16, 2016 | Change to Name, Logo and Product Packaging |
| Download | 0213 | JWS | March 16, 2016 | Change to UL Code Mark on JWS Series Case |
| Download | 0216-A | HB | March 16, 2016 | Change of Super Bright LED Specifications *Green Only |
| Download | 0216-B | KB, LB, YB &YB2 | March 16, 2016 | Change of Super Bright LED Specifications * Blue Only |
| Download | 0210 | LP01, YB & YB2 | March 16, 2016 | Change of Housing Material, Color and Addition of Tab |
| Download | 0211 | UB2 | March 16, 2016 | Change of Super Bright LED Specifications |
| Download | 0212 | G & GW | March 16, 2016 | Change to G Toggles & GW Paddles LED Specifications |
| Download | 0204 | JS04 | March 16, 2016 | Change of Actuator Color |
| Download | 0206 | NP01 & UB2 | March 16, 2016 | Discontinued Alternating Legend Caps |
| Download | 0209 | YB2 | March 16, 2016 | Discontinuation and Replacement Products |
| Download | 0202 | M2100 | March 16, 2016 | Change of LED Terminal Plating Material |
| Download | 0203 | KP | March 16, 2016 | Change of Coil Spring Material |
| Download | 0199 | CK | March 16, 2016 | Change of Material of Hex Nut |
| Download | 0200 | YB & YB2 | March 16, 2016 | Change of Knurled Mounting Nut |
| Download | 0201 | MS | March 16, 2016 | Change of Movable Contact Material |
| Download | 0196 | AT4181 | March 16, 2016 | Change of Material of Rubber O-ring |
| Download | 0198 | B & BB | March 16, 2016 | Change of PN Marking on Switches |
| Download | 0194 | M2100 Toggles & Rockers | March 16, 2016 | Change of Red/Green Bicolor LED Specifications |
| Download | 0050 | KP01 & KP02 | March 16, 2016 | Change of RGB LED Specifications |
| Download | 0195 | AT617 & G01 | March 16, 2016 | Change of LED Specifications |
| Download | 0185 | IS | March 16, 2016 | Change of LCD of SmartDisplay 36 x 24 Switches (Blue Mode) |
| Download | 0192 | FT | March 16, 2016 | Change of ANR Film for Digital Touchscreens |
| Download | 0193 | M Toggles | March 16, 2016 | Change of Plating of Dummy Terminal |
| Download | 0190 | A01 | March 16, 2016 | Color of Epoxy Seal for A01 Indicators |
| Download | 0176 | IS | March 16, 2016 | Change of LCD of SmartDisplay 36 x 24 Switches |
| Download | 0186 | AT433 | March 16, 2016 | Change of Marking and Spring of Rotary Knob |
| Download | 0188 | AT401P | March 16, 2016 | Material Rubber of O-ring |
| Download | 0189 | YB | March 16, 2016 | Material of Mounting Nut |
| Download | 0181 | FT | March 16, 2016 | Change of ANR Film for Analog 4-wire Touchscreens |
| Download | 0184 | S300 Toggles | March 16, 2016 | Change of Product Marking |
| Download | 0048 | CN | March 16, 2016 | UB series superbright LED specifications |
| Download | 0177 | JB | March 16, 2016 | Change to Material of Movable Contact |
| Download | 0178 | G & G3 | March 16, 2016 | Change to PN Marking on Switches |
| Download | 0175 | CK | March 16, 2016 | Mounting Hardware for Molded CKM Keylock Switch |
| Download | 0174 | IS | March 16, 2016 | Life of OLED Displays Now 30,000 Hours |
| Download | 0171 | IS | March 16, 2016 | Change to Connectors of SmartDisplay LCD 36 x 24 Displays |
| Download | 0172 | All Products | March 16, 2016 | Change to Brand Mark on Switches |
| Download | 0173 | JL | March 16, 2016 | Change to Material of Dome Contact |
| Download | 0044 | KB | March 16, 2016 | Change of Finish on KB Series Mounting Nut |
| Download | 0045 | GB2 | March 16, 2016 | Change to Plating Material of GB2 Series Contact Terminals |
| Download | 0170 | M2T | March 16, 2016 | Change to Plating Material of M2T Series Levers |
| Download | 0042 | JF | March 16, 2016 | Change to Material of JF Series Movable Contact |
| Download | 0043 | GB2, MB, SB, SCB, WB | March 16, 2016 | Material Change to Caps AT407A, AT413A, AT414A & AT4137A |
| Download | 0039 | CS | March 16, 2016 | Epoxy Seal at Base of Terminals |
| Download | 0040 | EB, LB, M, M2B, M2T, MB20, MB24, MS, UB, UB2 | March 16, 2016 | UL Marking Change |
| Download | 0041 | UB & UB2 | March 16, 2016 | Epoxy Seal at Base of Terminals |
| Download | 0036 | FR01 & FR02 | March 16, 2016 | Design Change for FR01 & FR02 Stick-Tubes |
| Download | 0038 | LB | March 16, 2016 | Epoxy Seal at Base of Terminals |
| Download | 0033 | EB, MB24, & M Rocker | March 16, 2016 | New AT617F LEDs |
| Download | 0034 | P Toggle & P Rocker | March 16, 2016 | Compliance with EN 61058-1 Standards |
| Download | 0035 | TL | March 16, 2016 | Super Bright LED Specifications |
| Download | 0030 | IS (SmartDisplay) | March 16, 2016 | Plating Material Change to Socket Terminals in IS Series |
| Download | 0031 | KP | March 16, 2016 | Red/Green Bicolor LED specifications |
| Download | 0032 | YB | March 16, 2016 | New AT628 LEDs |
| Download | 0017X | DR to FR | March 16, 2016 | Discontinuation of DR Series Replaced by FR01 Series |
| Download | 0029 | SK | March 16, 2016 | Terminal Plating from Tin to Gold |
| Download | 0024 | MS & SS | March 16, 2016 | LED specification changes for all MS & SS illuminated models |
| Download | 0027 | S, LW, SW & SB | March 16, 2016 | Terminal plating from silver to tin for selected S toggles, LW & SW rockers and SB pushbuttons |
| Download | 0026 | JWS | March 16, 2016 | Increase of power rating from 6 Amps to 10 Amps |
