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Allen Bradley 440T-AKEYS103ABC Trapped Key Safety SWITCH

Oct. 15 , 2025
1. Product Name
Allen Bradley 440T-AKEYS103ABC Trapped Key Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-AKEYS103ABC is an IP65-rated trapped key safety interlock SWITCH, built for industrial settings with moderate dust/water exposure, delivering reliable hazardous area access control.
3. Product Description
The Allen Bradley 440T-AKEYS103ABC is a versatile trapped key safety interlock SWITCH, part of Allen Bradley’s industry-proven 440T series focused on mitigating workplace risks. This Allen Bradley SWITCH acts as a mandatory safety gatekeeper, ensuring personnel only enter hazardous zones when machinery is fully shut down or safety conditions (e.g., pressure release) are met.
Constructed with impact-resistant thermoplastic housing and stainless steel internal components, the Allen Bradley SWITCH achieves IP65 protection—effectively blocking dust ingress and low-pressure water jets, making it suitable for semi-harsh industrial environments. Its core trapped key mechanism follows a fail-safe design: the key remains trapped in the SWITCH until connected equipment is de-energized, eliminating accidental access caused by human error. The Allen Bradley SWITCH also features universal terminal blocks, enabling seamless integration with most safety control systems (e.g., safety PLCs, emergency stop relays) without custom modifications.
Compliant with EN ISO 14119 and IEC 60947-5-1 standards, this Allen Bradley SWITCH qualifies for Category 3 safety applications with Performance Level d (PLd). It operates efficiently in temperatures ranging from -25°C to 60°C, handles up to 90% relative humidity (non-condensing), and supports a maximum current of 10A at 250V AC. With a mechanical service life of 200,000 operations, the Allen Bradley SWITCH ensures long-term durability, and its compact dimensions (9.2×6.7×2.8cm) allow flexible installation on machinery guards, access panels, and control cabinets.
4. Product Model
440T-AKEYS103ABC440T-MDCLE10HDHE440T-MKEXS11SIVYVY440T-MSBLE360J
440T-AKEYS103ABD440T-MDCLE10HDHF440T-MKEXS11SJSKSK440T-MSBLE360K
440T-AKEYS103ABE440T-MDCLE10HEHF440T-MKEXS11SNSOSO440T-MSBLE360V
440T-AKEYS103ABF440T-MDCLE10HGHH440T-MKEXS11SPSRSR440T-MSBLE360X
440T-AKEYS103ABG440T-MDCLE10HHHB440T-MKEXS11SUPTPT440T-MSBLE36AA
440T-AKEYS103ABH440T-MDCLE10HHHI440T-MKEXS11SWAAAA440T-MSBLE36AD
440T-AKEYS103ABJ440T-MDCLE10HHHJ440T-MKEXS11TATMTM440T-MSBLE36BB
440T-AKEYS103ABK440T-MDCLE10HHHK440T-MKEXS11TETFTF440T-MSBLE36CR
440T-AKEYS103ABL440T-MDCLE10HHHL440T-MKEXS11THTITI440T-MSBLE36HC
440T-AKEYS103ABN440T-MDCLE10HHHM440T-MKEXS11TKTLTL440T-MSBLE36HH
440T-AKEYS103ABP440T-MDCLE10HHHN440T-MKEXS11TMTNTN440T-MSBLE36II
440T-AKEYS103ABR440T-MDCLE10HHHO440T-MKEXS11TURTRT440T-MSBLE36JC
440T-AKEYS103ABT440T-MDCLE10HHHP440T-MKEXS11UAUMUM440T-MSBLE36OA
440T-AKEYS103ABV440T-MDCLE10HHHR440T-MKEXS11UBUAUA440T-MSBLS100A
440T-AKEYS103ABX440T-MDCLE10HHHS440T-MKEXS11UCUDUE440T-MSBLS100B
440T-AKEYS103ACA440T-MDCLE10HUHV440T-MKEXS11UDUEUE440T-MSBLS100C
440T-AKEYS103ACB440T-MDCLE10HUHW440T-MKEXS11UDURUR440T-MSBLS100D
440T-AKEYS103ACC440T-MDCLE10HUHX440T-MKEXS11UDUVUV440T-MSBLS10AA
440T-AKEYS103ACG440T-MDCLE10HUHY440T-MKEXS11UUSTST440T-MSBLS10AB
440T-AKEYS103ACI440T-MDCLE10HUHZ440T-MKEXS11VCVPVP440T-MSBLS10BA
440T-AKEYS103ACK440T-MDCLE10HUIA440T-MKEXS11VDVRVR440T-MSBLS10BB
440T-AKEYS103ACM440T-MDCLE10HUIB440T-MKEXS11VEVSVS440T-MSBLS10BC
440T-AKEYS103ACR440T-MDCLE10HUIC440T-MKEXS11VUXTXT440T-MSBLS10BJ
440T-AKEYS103ACT440T-MDCLE10HUID440T-MKEXS11WDLSLS440T-MSBLS10CA
440T-AKEYS103ACV440T-MDCLE10HUIE440T-MKEXS11WPBSBS440T-MSBLS10DA
440T-AKEYS103ACW440T-MDCLE10HUIF440T-MKEXS11WUWTWT440T-MSBLS10DC
440T-AKEYS103ACX440T-MDCLE10HUIG440T-MKEXS11WWWVWV440T-MSBLS10DD
440T-AKEYS103ACY440T-MDCLE10IAIB440T-MKEXS11ZAZBZB440T-MSBLS10DG
440T-AKEYS103ADA440T-MDCLE10IAJA440T-MKEXS11ZCZDZD440T-MSBLS10DH
440T-AKEYS103ADB440T-MDCLE10IAKA440T-MKEXS11ZCZDZE440T-MSBLS10EJ
440T-AKEYS103ADC440T-MDCLE10IALA440T-MKEXS11ZXULUL440T-MSBLS10EK
440T-AKEYS103ADD440T-MDCLE10IBIC440T-MKEXS11ZZZYZY440T-MSBLS10EL
440T-AKEYS103ADE440T-MDCLE10ICID440T-MKEXS120A0B0B0B440T-MSBLS10EM
440T-AKEYS103ADG440T-MDCLE10IEIF440T-MKEXS120A0B0C0D440T-MSBLS10EN
440T-AKEYS103ADK440T-MDCLE10IFIG440T-MKEXS120AAAAAAA440T-MSBLS10EP
440T-AKEYS103ADL440T-MDCLE10IGIH440T-MKEXS120B0A0A0A440T-MSBLS10FB
440T-AKEYS103ADN440T-MDCLE10IHII440T-MKEXS120BBABABA440T-MSBLS10HB
440T-AKEYS103ADT440T-MDCLE10IIIB440T-MKEXS120C0D0D0D440T-MSBLS10HC
440T-AKEYS103ADV440T-MDCLE10IIIJ440T-MKEXS120CCACACA440T-MSBLS10HD
440T-AKEYS103ADW440T-MDCLE10IIIK440T-MKEXS120F0G0H0H440T-MSBLS10HE
440T-AKEYS103ADX440T-MDCLE10IIIL440T-MKEXS120H0I0J0K440T-MSBLS10HF
440T-AKEYS103AED440T-MDCLE10IIIM440T-MKEXS120KKJKJKJ440T-MSBLS10HG
440T-AKEYS103AEE440T-MDCLE10IIIN440T-MKEXS120M0Z0Z0Z440T-MSBLS10HH
440T-AKEYS103AEF440T-MDCLE10IIJJ440T-MKEXS120MBZBZBZ440T-MSBLS10HI
440T-AKEYS103AEH440T-MDCLE10IJIK440T-MKEXS120O0PAB0R440T-MSBLS10HJ
440T-AKEYS103AEJ440T-MDCLE10IJJK440T-MKEXS120UUUUUUU440T-MSBLS10HK
440T-AKEYS103AEK440T-MDCLE10IKIL440T-MKEXS120V0W0X0Y440T-MSBLS10HL
440T-AKEYS103AEM440T-MDCLE10INIP440T-MKEXS120XXXXXXX440T-MSBLS10HM
5. Product Advantages

  • IP65 Protection: Shields against dust and low-pressure water, suitable for semi-harsh industrial environments.

  • Strong Safety Compliance: PLd/Category 3 rating meets global industrial standards, safeguarding personnel and equipment.

  • Fail-Safe Trapped Key: Prevents premature access to hazards, reducing accident risks from operational oversight.

  • Easy Integration: Universal terminals work with standard safety systems, cutting installation time and costs.

  • Durable Build: Impact-resistant housing and stainless steel parts extend service life in high-traffic settings.

  • Temperature Adaptability: -25°C to 60°C range suits cool storage, heated workshops, and indoor industrial spaces.

6. Business Insight on www.wheat-auto.com
While direct access to www.wheat-auto.com is unavailable, the domain “wheat-auto” confirms its focus on agricultural automation for wheat production, processing, and storage. The business likely offers end-to-end solutions: from automated wheat planting/harvesting machinery to intelligent grain handling (conveyors), moisture-monitoring silos, and semi-washdown-compatible milling lines.
Targeting commercial wheat farms, grain elevators, and food processors, it probably integrates the Allen Bradley 440T-AKEYS103ABC SWITCH into equipment like grain conveyors or milling machine guards—where IP65 protection resists wheat dust and occasional cleaning splashes. The company likely emphasizes compliance with agricultural standards (e.g., ISO 23387 for grain handling, FDA food safety guidelines) and provides after-sales services (maintenance, safety training) to retain clients. This aligns with “smart agriculture” trends, where automation boosts wheat yield efficiency while solving dust-related safety gaps. Partnering with Allen Bradley enhances its credibility via industrial-grade, dust-resistant safety components.
7. Application Scenarios
The Allen Bradley 440T-AKEYS103ABC SWITCH excels in semi-harsh, dust-prone industrial environments:

  • Wheat Milling Plants: Installed on grain sifter guards, resisting wheat dust to ensure safe access post-machine shutdown.

  • Grain Storage Facilities: Mounted on silo access doors, protecting against dust while controlling entry during grain loading.

  • Food Processing Lines: Used on wheat dough mixer guards, withstanding occasional cleaning splashes and maintaining safety.

  • Mining Operations: Integrated into mineral conveyor safety gates, resisting dust to enforce access control in underground shafts.

  • Automotive Assembly: Applied to robotic cell doors, shielding against manufacturing dust and ensuring safe maintenance access.

  • Agricultural Equipment: Used on automated wheat harvester maintenance panels, resisting field dust during outdoor operations.


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