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Allen Bradley 440T-AKEYE103CAU Trapped Key Safety SWITCH

Oct. 14 , 2025
1. Product Name
Allen Bradley 440T-AKEYE103CAU Trapped Key Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-AKEYE103CAU is a high-reliability trapped key safety interlock SWITCH, crafted for industrial settings where strict access control to hazardous zones is essential. It boasts robust construction and compliance with international safety norms.
3. Product Description
The Allen Bradley 440T-AKEYE103CAU is a premium trapped key safety interlock SWITCH, belonging to Allen Bradley’s renowned 440T series that prioritizes operational safety in industrial environments. This Allen Bradley SWITCH is engineered to create a secure barrier between personnel and dangerous machinery or areas, minimizing accident risks.
Made with high-grade materials, the Allen Bradley SWITCH exhibits excellent resistance to corrosion and wear, ensuring stable performance even in demanding working conditions. Its core trapped key mechanism is the highlight: the key stays locked within the SWITCH until specific safety conditions are met, such as equipment shutdown, preventing accidental entry into hazardous zones. The Allen Bradley SWITCH supports easy integration with existing industrial control systems, thanks to its compatible electrical interfaces.
This Allen Bradley SWITCH meets key safety standards including EN ISO 14119 and EN ISO 13489-1, qualifying for Category 3 safety applications with Performance Level d (PLd). It operates efficiently within a temperature range of -30°C to 60°C and can tolerate up to 90% relative humidity without compromising functionality. With a mechanical lifespan of over 150,000 operations, the Allen Bradley SWITCH offers long-term durability, and its compact design (approx. 9×7×3cm) allows installation in space-limited locations.
4. Product Model
440T-AKEYE103CAU440T-MDBLE170L0K440T-MKEXE19BABUBUBUBUBUBU440T-MSALS103DDH
440T-AKEYE103CAW440T-MDBLE170L0M440T-MKEXE19BACACACACACACA440T-MSALS103DDJ
440T-AKEYE103CAX440T-MDBLE170L0R440T-MKEXE19BADADADADADADA440T-MSALS103DDK
440T-AKEYE103CAZ440T-MDBLE170L0S440T-MKEXE19BB0B0B0B0B0B0B440T-MSALS103DDM
440T-AKEYE103CBA440T-MDBLE170M0K440T-MKEXE19BBBABABABABABA440T-MSALS103DDO
440T-AKEYE103CBB440T-MDBLE170M0N440T-MKEXE19BBBCBCBCBCBCBC440T-MSALS103DDP
440T-AKEYE103CBC440T-MDBLE170N0K440T-MKEXE19BBBFBFBFBFBFBF440T-MSALS103DDR
440T-AKEYE103CBD440T-MDBLE170N0M440T-MKEXE19BBBGBHBIBJBKBL440T-MSALS103DDS
440T-AKEYE103CBF440T-MDBLE170N0O440T-MKEXE19BBCBCBCBCBCBCB440T-MSALS103DDT
440T-AKEYE103CBG440T-MDBLE170O0P440T-MKEXE19BBCDCDCDCDCDCD440T-MSALS103EAB
440T-AKEYE103CBI440T-MDBLE170P0O440T-MKEXE19BCBDBDBDBDBDBD440T-MSALS10AA
440T-AKEYE103CBJ440T-MDBLE170P0R440T-MKEXE19BCBGBGBGBGBGBG440T-MSALS10AB
440T-AKEYE103CBK440T-MDBLE170P0S440T-MKEXE19BCCCCCCCCCCCCC440T-MSALS10AC
440T-AKEYE103CBL440T-MDBLE170R0S440T-MKEXE19BDBEBEBEBEBEBE440T-MSALS10AD
440T-AKEYE103CBM440T-MDBLE170S0R440T-MKEXE19BDBFBFBFBFBFBF440T-MSALS10AE
440T-AKEYE103CBO440T-MDBLE170S0T440T-MKEXE19BDCDCDCDCDCDCD440T-MSALS10AF
440T-AKEYE103CBS440T-MDBLE170SOT440T-MKEXE19BEBDBDBDBDBDBD440T-MSALS10AH
440T-AKEYE103CBV440T-MDBLE170T0U440T-MKEXE19BEBFBFBFBFBFBF440T-MSALS10AJ
440T-AKEYE103CBY440T-MDBLE170U0T440T-MKEXE19BEBHBHBHBHBHBH440T-MSALS10AK
440T-AKEYE103CCA440T-MDBLE170U0V440T-MKEXE19BFBGBGBGBGBGBG440T-MSALS10AM
440T-AKEYE103CCB440T-MDBLE170UOV440T-MKEXE19BGBHBHBHBHBHBH440T-MSALS10AO
440T-AKEYE103CCC440T-MDBLE170V0W440T-MKEXE19BGBHBJBKBLBMBN440T-MSALS10AR
440T-AKEYE103CCD440T-MDBLE170V0X440T-MKEXE19BIBJBJBJBKBKBK440T-MSALS10AT
440T-AKEYE103CCE440T-MDBLE170W0X440T-MKEXE19BJBKBKBKBKBKBK440T-MSALS10AV
440T-AKEYE103CCH440T-MDBLE170WOV440T-MKEXE19BKBLBLBLBLBLBL440T-MSALS10AW
440T-AKEYE103CCK440T-MDBLE170X0W440T-MKEXE19BMBNBNBNBNBNBN440T-MSALS10AZ
440T-AKEYE103CCN440T-MDBLE170X0Y440T-MKEXE19BOAOAOAOAOAOAO440T-MSALS10BA
440T-AKEYE103CCR440T-MDBLE170Y0Z440T-MKEXE19BOBPBPBPBPBPBP440T-MSALS10BB
440T-AKEYE103CCU440T-MDBLE170Z0Y440T-MKEXE19BPBRBRBRBRBRBR440T-MSALS10BC
440T-AKEYE103CCX440T-MDBLE170ZAA440T-MKEXE19BRBSBSBSBSBSBS440T-MSALS10BD
440T-AKEYE103CDA440T-MDBLE17AAAB440T-MKEXE19BTBUBUBUBUBUBU440T-MSALS10BE
440T-AKEYE103CDB440T-MDBLE17AAAC440T-MKEXE19BUBWBWBWBVBVBC440T-MSALS10BF
440T-AKEYE103CDD440T-MDBLE17AABA440T-MKEXE19BVBDBDBDBDBDBD440T-MSALS10BG
440T-AKEYE103CDF440T-MDBLE17AABB440T-MKEXE19BWBXBXBXBXBXBX440T-MSALS10BH
440T-AKEYE103CDG440T-MDBLE17AACC440T-MKEXE19BX0B0B0B0B0B0B440T-MSALS10BI
440T-AKEYE103CDI440T-MDBLE17AADD440T-MKEXE19BYBZBZBZBZBZBZ440T-MSALS10BJ
440T-AKEYE103CDJ440T-MDBLE17ABAC440T-MKEXE19BZBBBBBBBBBBBB440T-MSALS10BK
440T-AKEYE103CDK440T-MDBLE17ABAN440T-MKEXE19CA3CAL3CAL3CAL3CAL440T-MSALS10BL
440T-AKEYE103CDL440T-MDBLE17ABBB440T-MKEXE19CACBCBCBCBCBCB440T-MSALS10BM
440T-AKEYE103CDM440T-MDBLE17ABCD440T-MKEXE19CACBCCCDCECFCG440T-MSALS10BN
440T-AKEYE103CDN440T-MDBLE17ACAB440T-MKEXE19CADADADADADADA440T-MSALS10BO
440T-AKEYE103CDO440T-MDBLE17ACAD440T-MKEXE19CADBDCDDDFDEDF440T-MSALS10BP
440T-AKEYE103CDP440T-MDBLE17ACBC440T-MKEXE19CB3CBL3CBL3CBL3CBL440T-MSALS10BR
440T-AKEYE103CDR440T-MDBLE17ADAC440T-MKEXE19CBCACACACACACA440T-MSALS10BS
440T-AKEYE103CDS440T-MDBLE17ADAE440T-MKEXE19CBCGCHCICJCKCL440T-MSALS10BT
440T-AKEYE103CDT440T-MDBLE17ADBD440T-MKEXE19CBDBDBDBDBDBDB440T-MSALS10BU
440T-AKEYE103CDU440T-MDBLE17AEAD440T-MKEXE19CC0C0C0C0C0C0C440T-MSALS10BV
440T-AKEYE103CDW440T-MDBLE17AEAF440T-MKEXE19CCCDCDCDCDCDCD440T-MSALS10BW
440T-AKEYE103CDX440T-MDBLE17AEBE440T-MKEXE19CCDDDDDDDDDDDD440T-MSALS10BX
440T-AKEYE103CDY440T-MDBLE17AFAE440T-MKEXE19CCTSTSTSTSTSTS440T-MSALS10BY
440T-AKEYE103CDZ440T-MDBLE17AGAH440T-MKEXE19CD3CDL3CDL3CDL3CDL440T-MSALS10BZ
440T-AKEYE103CEA440T-MDBLE17AHAI440T-MKEXE19CE3CEL3CEL3CEL3CEL440T-MSALS10CA
440T-AKEYE103CEC440T-MDBLE17AIAJ440T-MKEXE19CEAEAEAEAEAEAE440T-MSALS10CB
440T-AKEYE103CEF440T-MDBLE17AKAL440T-MKEXE19CECDCDCDCDCDCD440T-MSALS10CC
440T-AKEYE103CEI440T-MDBLE17ALAD440T-MKEXE19CECFCFCFCFCFCF440T-MSALS10CD
440T-AKEYE103CEL440T-MDBLE17AOAN440T-MKEXE19CF3CFL3CFL3CFL3CFL440T-MSALS10CE
440T-AKEYE103CEO440T-MDBLE17AOAP440T-MKEXE19CGCACBCCCDCECF440T-MSALS10CF
440T-AKEYE103CES440T-MDBLE17AOAR440T-MKEXE19CGCHCHCHCHCHCH440T-MSALS10CG
440T-AKEYE103CEV440T-MDBLE17AOAS440T-MKEXE19CGDGDGDGDGDGDG440T-MSALS10CH
440T-AKEYE103CEZ440T-MDBLE17AOAT440T-MKEXE19CIAIAIAIAIAIAI440T-MSALS10CI
440T-AKEYE103CFC440T-MDBLE17AVAW440T-MKEXE19CICJCJCJCJCJCJ440T-MSALS10CJ
440T-AKEYE103CFL440T-MDBLE17BAAA440T-MKEXE19CICJCJCJCKCKCK440T-MSALS10CK
5. Product Advantages
  • Superior Safety Assurance: Adheres to global safety standards, with a low probability of dangerous failure (PFHd) to safeguard personnel.

  • Sturdy Build: High-quality corrosion-resistant materials extend the Allen Bradley SWITCH’s service life in harsh industrial surroundings.

  • Reliable Access Control: Trapped key mechanism ensures access to hazardous areas only when safe, enhancing workplace safety.

  • Easy Integration: Compatible with common industrial control systems, reducing installation complexity and time.

  • Long-Lasting Performance: High mechanical life reduces the need for frequent replacements, cutting maintenance costs.

  • User-Friendly Design: Clear indicators on the Allen Bradley SWITCH show key status, facilitating easy operation for workers.

6. Business Insight on www.wheat-auto.com
Though direct access to www.wheat-auto.com is not possible, the domain name—combining "wheat" and "auto"—strongly indicates a focus on agricultural automation. It is likely a business that specializes in providing automation solutions for the wheat industry, such as automated wheat planting equipment, grain harvesting machinery control systems, or wheat processing and packaging automation lines.
Targeting customers like wheat farms, grain processing factories, and agricultural cooperatives, the company may offer end-to-end automation services, from equipment supply to system installation and after-sales support. Given the need for safety components in agricultural automation, it’s probable that the business partners with brands like Allen Bradley to incorporate reliable safety SWITCHes (such as the 440T series) into their automation systems, ensuring the safety and efficiency of agricultural operations. This business direction aligns with the trend of increasing mechanization and automation in the agricultural sector.
7. Application Scenarios
The Allen Bradley 440T-AKEYE103CAU SWITCH finds wide application in industries requiring strict hazardous area access control:
  • Wheat Processing Plants: Installed on grain mill machines and conveyor system guards, the SWITCH prevents access until the equipment comes to a complete stop, protecting workers from moving parts.

  • Automotive Manufacturing: Used on assembly line machine enclosures, ensuring technicians can only enter maintenance areas after the production line is shut down via the trapped key mechanism.

  • Pharmaceutical Facilities: Integrated into cleanroom access doors, the Allen Bradley SWITCH ensures compliance with sterile conditions by controlling entry timing.

  • Warehouse Logistics: Applied to automated storage and retrieval system (AS/RS) safety gates, preventing unauthorized access to areas with moving robotic arms.

  • Oil and Gas Industry: Utilized on valve control cabinets in oil refineries, ensuring workers can only operate valves after the relevant pipeline is isolated, reducing leakage risks.

  • Food Processing: Installed on food mixing and packaging machines, maintaining food safety by restricting access during operation to avoid contamination.


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