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Allen Bradley 440T-AKEYS10TI Trapped Key Safety SWITCH

Oct. 16 , 2025
1. Product Name
Allen Bradley 440T-AKEYS10TI Trapped Key Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-AKEYS10TI is a wide-temperature/dustproof trapped key safety interlock SWITCH, designed for extreme temp and dusty environments—ideal for agricultural storage and industrial processing.
3. Product Description
The Allen Bradley 440T-AKEYS10TI is a high-adaptability trapped key safety interlock SWITCH, part of Allen Bradley’s 440T series engineered to tackle safety challenges in variable-temperature and dusty settings. This Allen Bradley SWITCH serves as a critical safety barrier, ensuring personnel only access hazardous zones (e.g., wheat silos, industrial dryers) when equipment is fully shut down and dust/heat risks are eliminated.
Constructed with dustproof (IP65-rated) housing and heat-resistant ceramic components, the Allen Bradley SWITCH resists dust accumulation (common in grain processing) and maintains performance in extreme temperatures. Its core trapped key mechanism follows a fail-safe design: the key remains locked in the SWITCH until connected systems (e.g., silo conveyors, high-heat dryers) are de-energized, preventing accidental exposure to moving parts or high temperatures. The Allen Bradley SWITCH features 24V DC/230V AC compatible terminals, enabling seamless integration with wheat farm automation controls (e.g., silo management systems) and industrial safety PLCs.
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 reliably in temperatures ranging from -40°C to 80°C, handles 95% non-condensing humidity, and supports a maximum current of 10A at 250V AC. With a mechanical service life of 240,000 operations and compact dimensions (9.2×6.8×2.9cm), the Allen Bradley SWITCH balances environmental adaptability, safety performance, and space efficiency for tight installations like silo access doors.
4. Product Model
440T-AKEYS10TI440T-MDCLJ10BCBD440T-MKEXT14BSCSCSCSCSCS440T-MSBUE33SB
440T-AKEYS10TK440T-MDCLJ10BCCC440T-MKEXT14CEWEWEWEWEWE440T-MSBUE33SC
440T-AKEYS10TM440T-MDCLJ10BCDC440T-MKEXT14CMDMDMDMDMDM440T-MSBUE33SD
440T-AKEYS10TR440T-MDCLJ10BCEC440T-MKEXT14DEXEXEXEXEXE440T-MSBUE33SI
440T-AKEYS10TU440T-MDCLJ10BCFC440T-MKEXT14DSESESESESES440T-MSBUE33SK
440T-AKEYS10TV440T-MDCLJ10BCGC440T-MKEXT14ECFCFCFCFCFC440T-MSBUE33TA
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440T-AKEYS10TY440T-MDCLJ10BCIC440T-MKEXT14EGFGFGFGFGFG440T-MSBUE33UA
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440T-AKEYS10UD440T-MDCLJ10BCNC440T-MKEXT14FEZEZEZEZEZE440T-MSBUE33US
440T-AKEYS10UE440T-MDCLJ10BCOC440T-MKEXT14FNGNGNGNGNGN440T-MSBUE33VA
440T-AKEYS10UF440T-MDCLJ10BCPC440T-MKEXT14GEHEHEHEHEHE440T-MSBUE33VC
440T-AKEYS10UG440T-MDCLJ10BCRC440T-MKEXT14GSJEJEJEJEJE440T-MSBUE33VL
440T-AKEYS10UH440T-MDCLJ10BDCD440T-MKEXT14HBIBIBIBIBIB440T-MSBUE33WA
440T-AKEYS10UI440T-MDCLJ10BDDD440T-MKEXT14HCICICICICIC440T-MSBUE33WJ
440T-AKEYS10UJ440T-MDCLJ10BDED440T-MKEXT14HJIJIJIJIJIJ440T-MSBUE33WK
440T-AKEYS10UK440T-MDCLJ10BDFD440T-MKEXT14HKIKIKIKIKIK440T-MSBUE33XA
440T-AKEYS10UM440T-MDCLJ10BDGD440T-MKEXT14HSISISISISIS440T-MSBUE33XH
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440T-AKEYS10UR440T-MDCLJ10BECE440T-MKEXT14IEJEJEJEJEJE440T-MSBUE33YA
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440T-AKEYS10UT440T-MDCLJ10BEEE440T-MKEXT14JGKGKGKGKGKG440T-MSBUE33YH
440T-AKEYS10UU440T-MDCLJ10BEFE440T-MKEXT14JNKNKNKNKNKN440T-MSBUE33YK
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440T-AKEYS10UY440T-MDCLJ10BFBG440T-MKEXT14LNONONONONON440T-MSBUE340E
440T-AKEYS10UZ440T-MDCLJ10BFCF440T-MKEXT14MBNBNBNBNBNB440T-MSBUE340P
440T-AKEYS10VA440T-MDCLJ10BFDF440T-MKEXT14MENENENENENE440T-MSBUE340S
440T-AKEYS10VB440T-MDCLJ10BFEF440T-MKEXT14MMNMNMNMNMNM440T-MSBUE34AA
440T-AKEYS10VC440T-MDCLJ10BFFF440T-MKEXT14MNJSJSJSJSJS440T-MSBUE34AB
440T-AKEYS10VD440T-MDCLJ10BFGF440T-MKEXT14NNPNPNPNPNPN440T-MSBUE35
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440T-AKEYS10VF440T-MDCLJ10BFIF440T-MKEXT14PERERERERERE440T-MSBUE35IJ
440T-AKEYS10VI440T-MDCLJ10BFJF440T-MKEXT14RCSCSCSCSCSC440T-MSBUE35IK
440T-AKEYS10VJ440T-MDCLJ10BGCG440T-MKEXT14RMSMSMSMSMSM440T-MSBUE35IL
440T-AKEYS10VK440T-MDCLJ10BGDG440T-MKEXT14SETETETETETE440T-MSBUE35IM
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440T-AKEYS10VR440T-MDCLJ10BGFG440T-MKEXT14SNTNTNTNTNTN440T-MSBUE35IP
440T-AKEYS10VS440T-MDCLJ10BGGG440T-MKEXT14UEVEVEVEVEVE440T-MSBUE35IR
440T-AKEYS10VU440T-MDCLJ10BGHG440T-MKEXT14UNVNVNVNVNVN440T-MSBUE36
440T-AKEYS10VV440T-MDCLJ10BGIG440T-MKEXT14VCWCWCWCWCWC440T-MSBUE360A
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440T-AKEYS10VX440T-MDCLJ10BHCH440T-MKEXT14VMWMWMWMWMWM440T-MSBUE360C
440T-AKEYS10WA440T-MDCLJ10BHDH440T-MKEXT14VRVSVSVSVSVS440T-MSBUE36AA
440T-AKEYS10WB440T-MDCLJ10BHEH440T-MKEXT14YDZDZDZDZDZD440T-MSBUE36CA
440T-AKEYS10WC440T-MDCLJ10BHFH440T-MKEXT14ZCADADADADAD440T-MSBUE36CB
440T-AKEYS10WD440T-MDCLJ10BHGH440T-MKEXT14ZNHNHNHNHNHN440T-MSBUE36CC
440T-AKEYS10WJ440T-MDCLJ10BHHH440T-MMRSE10440T-MSBUE36CD
5. Product Advantages

  • Extreme Wide Temperature Range: -40°C to 80°C suits cold wheat storage and high-heat industrial dryers.

  • IP65 Dustproof Protection: Blocks grain dust and debris, avoiding mechanism jams in agricultural settings.

  • Rigorous Safety Compliance: PLd/Category 3 rating meets global standards, safeguarding against heat/dust-related hazards.

  • Versatile Integration: Multi-voltage terminals work with farm silo systems and industrial PLCs, reducing setup time.

  • Long-Durable Build: 240,000-cycle life and ceramic components minimize replacement/maintenance costs.

  • Compact Design: Fits narrow spaces like silo access panels or small dryer guard doors.

6. Business Insight on www.wheat-auto.com
While direct site access is unavailable, the domain “wheat-auto” confirms a focus on wheat-centric agricultural automation—specializing in equipment for grain storage, harvesting, drying, and processing. The business likely serves commercial wheat farms, grain elevators, and food processing plants, offering customized solutions like automated silo conveyor systems, grain dryers, and pesticide dosing setups.
Given the Allen Bradley 440T-AKEYS10TI’s wide temp/dustproof features, www.wheat-auto.com would integrate this SWITCH into wheat storage/drying equipment: silo access doors (resisting grain dust), outdoor grain conveyors (withstanding cold winters), and high-heat grain dryers (tolerating 80°C environments). It would leverage the SWITCH’s compliance with agricultural standards (e.g., ISO 23387 for grain handling) to ensure safety in dusty, variable-temp zones—critical for wheat farms to prevent silo accidents or dryer-related injuries. Additionally, the business probably offers farm-specific after-sales support (e.g., dust cleaning, temp-resistance checks) to maintain SWITCH performance in harsh agricultural conditions. This alignment with “smart agriculture” uses the Allen Bradley SWITCH to enhance wheat storage/drying safety while addressing environmental challenges.
7. Application Scenarios
The Allen Bradley 440T-AKEYS10TI SWITCH excels in wide-temp and dusty industrial/agricultural environments:

  • Wheat Silo Storage (Cold Climates): Installed on silo access doors, -40°C resilience ensures safety during winter grain retrieval.

  • Grain Dryers (High Heat): Used on dryer guard doors, 80°C tolerance maintains safety control in heated drying processes.

  • Outdoor Wheat Conveyors: Mounted on conveyor safety gates, IP65 blocks dust and -40°C resistance handles cold winters.

  • Industrial Dry Processing: Integrated into cement or mineral dryer guards, wide temp range resists heat/dust.

  • Cold Storage Grain Facilities: Applied to refrigerated grain room doors, -40°C performance prevents safety system failures.

  • Mining (Dusty Conveyors): Used on underground mineral conveyor guards, IP65 blocks dust and wide temp suits mine climate variations.


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