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Allen Bradley 440T-AKEYS103DDN Trapped Key Safety SWITCH

Oct. 15 , 2025
1. Product Name
Allen Bradley 440T-AKEYS103DDN Trapped Key Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-AKEYS103DDN is an IP67-rated, weatherproof trapped key safety interlock SWITCH, engineered for outdoor and wet industrial environments, ensuring reliable safety control against harsh elements.
3. Product Description
The Allen Bradley 440T-AKEYS103DDN is a heavy-duty trapped key safety interlock SWITCH, part of Allen Bradley’s 440T series specialized in safeguarding personnel and equipment in extreme industrial conditions. This Allen Bradley SWITCH acts as a mandatory safety barrier, restricting access to hazardous zones (e.g., outdoor machinery, wet processing lines) until critical safety conditions—such as equipment shutdown or pressure relief—are fully met.
Constructed with 316L stainless steel housing and sealed electrical terminals, the Allen Bradley SWITCH achieves IP67 protection, meaning it is fully dust-tight and can withstand temporary submersion in 1m of water for up to 30 minutes—ideal for outdoor or washdown-heavy settings. Its core trapped key mechanism follows a fail-safe design: the key remains securely trapped in the SWITCH until connected systems are de-energized, eliminating risks of accidental access caused by human error. The Allen Bradley SWITCH also features universal electrical interfaces, supporting seamless integration with common industrial safety systems (e.g., safety PLCs, emergency stop relays) without custom modifications.
Compliant with EN ISO 14119, IEC 60947-5-1, and UL 508 safety standards, this Allen Bradley SWITCH qualifies for Category 3 safety applications with Performance Level d (PLd). It operates efficiently in temperatures ranging from -40°C to 70°C, handles 95% relative humidity (non-condensing), and supports a maximum current of 10A at 250V AC. With a mechanical service life of 250,000 operations, the Allen Bradley SWITCH delivers long-term durability, and its compact dimensions (9.3×6.9×2.8cm) allow flexible installation on outdoor machinery guards, silo access doors, and wet-area control panels.
4. Product Model
440T-AKEYS103DDN440T-MDCLE10RGRH440T-MKEXS130F0E0E0E0E440T-MSBSE11AT
440T-AKEYS103DDP440T-MDCLE10RLRM440T-MKEXS130H0G0G0G0G440T-MSBSE11AU
440T-AKEYS103DDR440T-MDCLE10RRRB440T-MKEXS130M0C0C0C0C440T-MSBSE11BA
440T-AKEYS103DDS440T-MDCLE10RRSS440T-MKEXS130T0U0U0U0U440T-MSBSE11BE
440T-AKEYS103DDT440T-MDCLE10SASB440T-MKEXS133ABH3ABJ3ABJ3ABJ3A440T-MSBSE11BF
440T-AKEYS103EAA440T-MDCLE10SASC440T-MKEXS133ABT3ABU3ABU3ABU3A440T-MSBSE11BG
440T-AKEYS103EAB440T-MDCLE10SATA440T-MKEXS133ACK3ACL3ACL3ACL3A440T-MSBSE11BH
440T-AKEYS10AA440T-MDCLE10SBSC440T-MKEXS133ACN3ACP3ACP3ACP3A440T-MSBSE11BN
440T-AKEYS10AB440T-MDCLE10SCSD440T-MKEXS133BAE3BAF3BAF3BAF3B440T-MSBSE11BP
440T-AKEYS10AC440T-MDCLE10SCXC440T-MKEXS133CCN3CCO3CCO3CCO3C440T-MSBSE11BS
440T-AKEYS10AD440T-MDCLE10SDSE440T-MKEXS133CEE3CEF3CEF3CEF3C440T-MSBSE11BT
440T-AKEYS10AE440T-MDCLE10SESF440T-MKEXS13AAABABABAB440T-MSBSE11BV
440T-AKEYS10AF440T-MDCLE10SGSH440T-MKEXS13AAABACADAE440T-MSBSE11BW
440T-AKEYS10AG440T-MDCLE10SRGR440T-MKEXS13AABABABABA440T-MSBSE11BX
440T-AKEYS10AH440T-MDCLE10SSSB440T-MKEXS13AABBCCDDEE440T-MSBSE11BY
440T-AKEYS10AI440T-MDCLE10STSU440T-MKEXS13ABBABABABA440T-MSBSE11CT
440T-AKEYS10AJ440T-MDCLE10STSV440T-MKEXS13ABBBBBBBBB440T-MSBSE11CU
440T-AKEYS10AK440T-MDCLE10STTU440T-MKEXS13ACAPAPAPAP440T-MSBSE11DD
440T-AKEYS10AL440T-MDCLE10TA0A440T-MKEXS13ACBCBCBCBC440T-MSBSE11DE
440T-AKEYS10AM440T-MDCLE10TATB440T-MKEXS13ADAEAEAEAE440T-MSBSE11DF
440T-AKEYS10AN440T-MDCLE10TAUA440T-MKEXS13ADBDBDBDBD440T-MSBSE11DG
440T-AKEYS10AO440T-MDCLE10TB0A440T-MKEXS13AIABABABAB440T-MSBSE11DH
440T-AKEYS10AP440T-MDCLE10TB0B440T-MKEXS13AJBKBKBKBK440T-MSBSE11DN
440T-AKEYS10AR440T-MDCLE10TB0C440T-MKEXS13AVAWAWAWAW440T-MSBSE11DP
440T-AKEYS10AS440T-MDCLE10TBTC440T-MKEXS13BABBBBBBBB440T-MSBSE11DS
440T-AKEYS10AT440T-MDCLE10TC0C440T-MKEXS13BABBBCBDBE440T-MSBSE11DT
440T-AKEYS10AU440T-MDCLE10TCTD440T-MKEXS13BCBDBDBDBD440T-MSBSE11DV
440T-AKEYS10AV440T-MDCLE10TETF440T-MKEXS13BSBTBTBTBT440T-MSBSE11DW
440T-AKEYS10AW440T-MDCLE10TGTH440T-MKEXS13BXBYBYBYBY440T-MSBSE11DX
440T-AKEYS10AX440T-MDCLE10TTTB440T-MKEXS13CACBCBCBCB440T-MSBSE11DY
440T-AKEYS10AY440T-MDCLE10UAUB440T-MKEXS13CACBCCCDCE440T-MSBSE11EE
440T-AKEYS10BA440T-MDCLE10UAVA440T-MKEXS13CACMCMCMCM440T-MSBSE11ET
440T-AKEYS10BB440T-MDCLE10UBUC440T-MKEXS13CCCDCDCDCD440T-MSBSE11FN
440T-AKEYS10BC440T-MDCLE10UCUD440T-MKEXS13CDKBKBKBKB440T-MSBSE11FP
440T-AKEYS10BD440T-MDCLE10UEUF440T-MKEXS13CVCWCWCWCW440T-MSBSE11FY
440T-AKEYS10BE440T-MDCLE10UGUH440T-MKEXS13CWCXCXCXCX440T-MSBSE11FZ
440T-AKEYS10BF440T-MDCLE10UKVK440T-MKEXS13CZEAEAEAEA440T-MSBSE11GA
440T-AKEYS10BG440T-MDCLE10UUUB440T-MKEXS13DADBDBDBDB440T-MSBSE11GH
440T-AKEYS10BH440T-MDCLE10VAVB440T-MKEXS13DADBDCDDDE440T-MSBSE11GI
440T-AKEYS10BI440T-MDCLE10VAWA440T-MKEXS13DJDKDKDKDK440T-MSBSE11HH
440T-AKEYS10BJ440T-MDCLE10VBAC440T-MKEXS13DLDMDMDMDM440T-MSBSE11HI
440T-AKEYS10BK440T-MDCLE10VBBC440T-MKEXS13DOEOEOEOEO440T-MSBSE11HT
440T-AKEYS10BL440T-MDCLE10VBCC440T-MKEXS13DPEPEPEPEP440T-MSBSE11HU
440T-AKEYS10BM440T-MDCLE10VBDC440T-MKEXS13DWDXDXDXDX440T-MSBSE11ID
440T-AKEYS10BN440T-MDCLE10VBVC440T-MKEXS13EAEBEBEBEB440T-MSBSE11IE
440T-AKEYS10BO440T-MDCLE10VBWB440T-MKEXS13ECEDEDEDED440T-MSBSE11LB
440T-AKEYS10BP440T-MDCLE10VBXB440T-MKEXS13EDEEEEEEEE440T-MSBSE120A
440T-AKEYS10BR440T-MDCLE10VBYB440T-MKEXS13EEEFEFEFEF440T-MSBSE120M
440T-AKEYS10BS440T-MDCLE10VBZB440T-MKEXS13EHEGEGEGEG440T-MSBSE120P
440T-AKEYS10BT440T-MDCLE10VCVD440T-MKEXS13EIEJEJEJEJ440T-MSBSE12AA
440T-AKEYS10BU440T-MDCLE10VEVF440T-MKEXS13EJEIEIEIEI440T-MSBSE12AB
440T-AKEYS10BV440T-MDCLE10VGVH440T-MKEXS13ELEKEKEKEK440T-MSBSE12KK
440T-AKEYS10BW440T-MDCLE10VPGA440T-MKEXS13ENEMEMEMEM440T-MSBSE130A
440T-AKEYS10BX440T-MDCLE10VVVB440T-MKEXS13ENEOEOEOEO440T-MSBSE130B
5. Product Advantages

  • IP67 Weatherproof Protection: Dust-tight and water-submersible design suits outdoor, rainy, or washdown industrial environments.

  • Corrosion Resistance: 316L stainless steel housing resists rust in humid or chemical-exposed settings, extending service life.

  • Global Safety Compliance: Meets EN, IEC, and UL standards, enabling use in international industrial facilities.

  • Wide Temperature Range: -40°C to 70°C operation adapts to cold storage, desert, or high-heat workspaces.

  • Easy Integration: Universal electrical interfaces reduce installation time with existing safety control systems.

  • High Durability: 250,000-cycle mechanical life minimizes maintenance and replacement costs.

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 tailored for wheat production, storage, and processing—with a strong emphasis on outdoor and harsh-environment compatibility. The business likely offers end-to-end, weather-resistant solutions: from IP67-rated outdoor wheat silo conveyor systems to automated harvest machinery with rugged safety components.
Targeting commercial wheat farms, grain elevators, and food processors (especially those in regions with variable weather), it would integrate the Allen Bradley 440T-AKEYS103DDN into equipment like outdoor grain loaders, washdown-ready wheat cleaning lines, or silo access gates—leveraging the SWITCH’s IP67 and corrosion-resistant features to withstand rain, dust, and humidity. The company probably provides agriculture-specific support: compliance with farm safety standards, weatherproof system maintenance, and training for outdoor equipment operation. This aligns with global “smart agriculture” trends, where automation boosts wheat yield efficiency while ensuring safety in unpredictable outdoor conditions; partnering with Allen Bradley enhances credibility via industrial-grade, weatherproof safety components.
7. Application Scenarios
The Allen Bradley 440T-AKEYS103DDN SWITCH excels in outdoor, wet, and harsh industrial environments:

  • Outdoor Wheat Silos: Mounted on silo access doors, IP67 protection resists rain, dust, and humidity while controlling entry during grain loading.

  • Mining Operations: Used on underground or outdoor conveyor belt guards, corrosion-resistant housing withstands dust and water exposure.

  • Wastewater Treatment Plants: Installed on pump station access panels, water-submersible design ensures safety in wet processing areas.

  • Agricultural Harvest Machinery: Integrated into wheat harvester maintenance doors, weatherproof build handles field rain and debris.

  • Food Processing (Washdown): Applied to wheat cleaning equipment guards, IP67 rating withstands high-pressure washdowns after processing.

  • Construction Sites: Used on heavy equipment (e.g., excavators) access panels, durable housing resists construction dust and rain.


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