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Allen Bradley 440T-ASCBE143BDF Safety Interlock SWITCH

Oct. 17 , 2025
1. Product Name
Allen Bradley 440T-ASCBE143BDF Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-ASCBE143BDF is an IP67-rated safety interlock SWITCH with 316L stainless steel housing, built to resist corrosion, vibration, and harsh elements for reliable agri-industrial safety control.
3. Product Description
The Allen Bradley 440T-ASCBE143BDF is a robust safety interlock SWITCH, part of Allen Bradley’s 440T series designed to tackle core challenges in high-stress operations: corrosive substances, constant vibration, and extreme weather. This Allen Bradley SWITCH acts as a non-negotiable safety barrier, permitting access to hazardous zones—such as vibrating wheat combine harvesters, moisture-prone grain silos, or chemical processing tanks—only when machinery is fully powered off and safety conditions (e.g., vibration cessation, pressure relief) are met.
Crafted with thick 316L stainless steel (superior to standard stainless steel in corrosion resistance) and shock-absorbing industrial-grade polymer, the Allen Bradley SWITCH achieves IP67 protection. This rating enables it to withstand high-pressure water jets (up to 80bar), block 100% dust ingress, and endure temporary submersion (1 meter for 30 minutes)—perfect for rainy wheat harvests, dusty flour mills, or industrial sites requiring frequent cleaning. Its core interlock mechanism features a reinforced double-latch design, engineered to resist loosening under extreme vibration (up to 50Hz), preventing accidental unlocks that could trigger safety incidents. Compatible with 12V DC/24V DC/230V AC power systems, the Allen Bradley SWITCH integrates seamlessly with agricultural machinery controls (e.g., combine harvester safety circuits) and industrial safety PLCs, thanks to anti-loosen terminal blocks that reduce re-adjustment frequency.
Compliant with EN ISO 14119 and IEC 60947-5-1 standards, the Allen Bradley SWITCH meets Category 3 safety requirements with Performance Level d (PLd). It operates stably in a temperature range of -35°C to 75°C, handles 95% non-condensing humidity, and supports a maximum current of 10A at 250V AC—suitable for medium-to-heavy-load equipment like large wheat cleaners or industrial mixing tanks. With a mechanical service life of 240,000 operations and compact dimensions (8.7×6.5×2.5cm), the Allen Bradley SWITCH balances durability, vibration resistance, and space efficiency for tight installations (e.g., harvester engine bays, conveyor joint guards).
4. Product Model
440T-ASCBE143BFO440T-MDSLE11BMBU440T-MMRXE300AAAAAAA440T-MSGAU23AZ
440T-ASCBE143BFP440T-MDSLE11BMBV440T-MMRXE30AAABACAD440T-MSGAU23BA
440T-ASCBE143BFR440T-MDSLE11BMBW440T-MMRXE30ABBCBCBC440T-MSGAU23BB
440T-ASCBE143BFS440T-MDSLE11BMBX440T-MMRXE30AVAAABAC440T-MSGAU23BC
440T-ASCBE143BFT440T-MDSLE11BMBY440T-MMRXE30BACBCBCB440T-MSGAU23CA
440T-ASCBE143BFU440T-MDSLE11BMBZ440T-MMRXE30BFAAAAAA440T-MSGAU23CB
440T-ASCBE143BFV440T-MDSLE11BMCA440T-MMRXE30BVBABBBC440T-MSGAU23CC
440T-ASCBE143BFW440T-MDSLE11BMCM440T-MMRXE30CACBCBCB440T-MSGAU23CD
440T-ASCBE143BFX440T-MDSLE11BNDN440T-MMRXE30CDFGFGFG440T-MSGAU23CE
440T-ASCBE143BFY440T-MDSLE11BNEN440T-MMRXE30CVCACBCC440T-MSGAU23DA
440T-ASCBE143BFZ440T-MDSLE11BSBT440T-MMRXE30DVDADBDC440T-MSGAU23DB
440T-ASCBE143CAA440T-MDSLE11BSBU440T-MMRXE30HVHAHBHC440T-MSGAU23DC
440T-ASCBE143CAB440T-MDSLE11BUBZ440T-MMRXE30OAOBOBOB440T-MSGAU23DD
440T-ASCBE143CAC440T-MDSLE11BXBY440T-MMRXE30PVPAPBCF440T-MSGAU23DE
440T-ASCBE143CAD440T-MDSLE11BXBZ440T-MMRXE31440T-MSGAU23DF
440T-ASCBE143CAE440T-MDSLE11CACB440T-MMRXE310A0B0B0B440T-MSGAU23GA
440T-ASCBE143CAF440T-MDSLE11CACC440T-MMRXE310A0B0C0D440T-MSGAU23GB
440T-ASCBE143CAG440T-MDSLE11CADA440T-MMRXE310AAAAAAA440T-MSGAU23GC
440T-ASCBE143CAH440T-MDSLE11CAEA440T-MMRXE310C0D0D0D440T-MSGAU23LA
440T-ASCBE143CAI440T-MDSLE11CAEB440T-MMRXE31AAABABAB440T-MSGAU23LB
440T-ASCBE143CAJ440T-MDSLE11CAIA440T-MMRXE31AAABACAD440T-MSGAU23LC
440T-ASCBE143CAK440T-MDSLE11CBCC440T-MMRXE31AABBBBBB440T-MSGAU23LD
440T-ASCBE143CAL440T-MDSLE11CBDB440T-MMRXE31ABACACAC440T-MSRUE10
440T-ASCBE143CAM440T-MDSLE11CC0C440T-MMRXE31AEAFAFAF440T-MSRUE100A
440T-ASCBE143CAN440T-MDSLE11CCCD440T-MMRXE31BBBCBCBC440T-MSRUE100B
440T-ASCBE143CAO440T-MDSLE11CCCE440T-MMRXE31DAEAEAEA440T-MSRUE100C
440T-ASCBE143CAP440T-MDSLE11CCCF440T-MMRXE31VCVDVDVD440T-MSRUE100D
440T-ASCBE143CAR440T-MDSLE11CCCG440T-MMRXE31WCWDWDWD440T-MSRUE100E
440T-ASCBE143CAS440T-MDSLE11CCCH440T-MMRXE31ZZYYYYYY440T-MSRUE100F
440T-ASCBE143CAT440T-MDSLE11CCCI440T-MMRXE32440T-MSRUE100G
440T-ASCBE143CAU440T-MDSLE11CCCJ440T-MMRXE32AAABABAB440T-MSRUE100H
440T-ASCBE143CAV440T-MDSLE11CCCK440T-MMRXE33440T-MSRUE100I
440T-ASCBE143CAW440T-MDSLE11CCCL440T-MMRXE33MIMJMJMJ440T-MSRUE100J
440T-ASCBE143CAX440T-MDSLE11CCCM440T-MMRXE33MKMLMLML440T-MSRUE100K
440T-ASCBE143CAY440T-MDSLE11CCCN440T-MMRXS110A0B440T-MSRUE100L
440T-ASCBE143CAZ440T-MDSLE11CCCP440T-MMRXS110C0D440T-MSRUE100M
440T-ASCBE143CBA440T-MDSLE11CCCR440T-MMRXS11AAAS440T-MSRUE100N
440T-ASCBE143CBB440T-MDSLE11CCCS440T-MMRXS11AABA440T-MSRUE100O
440T-ASCBE143CBC440T-MDSLE11CCDC440T-MMRXS11AFAC440T-MSRUE100P
440T-ASCBE143CBD440T-MDSLE11CCDD440T-MMRXS11BBBS440T-MSRUE100R
440T-ASCBE143CBE440T-MDSLE11CCEE440T-MMRXS11BFBC440T-MSRUE100S
440T-ASCBE143CBF440T-MDSLE11CCGC440T-MMRXS11CCCS440T-MSRUE100T
440T-ASCBE143CBG440T-MDSLE11CDCE440T-MMRXS11CFCC440T-MSRUE100U
440T-ASCBE143CBH440T-MDSLE11CDCH440T-MMRXS13AABB440T-MSRUE100V
440T-ASCBE143CBI440T-MDSLE11CECF440T-MMRXS200A0B0B440T-MSRUE100W
440T-ASCBE143CBJ440T-MDSLE11CKCL440T-MMRXS200C0D0D440T-MSRUE100X
440T-ASCBE143CBK440T-MDSLE11CUCV440T-MMRXS21AABABA440T-MSRUE100Y
440T-ASCBE143CBL440T-MDSLE11CUCW440T-MMRXS21NANBNC440T-MSRUE100Z
440T-ASCBE143CBM440T-MDSLE11CUCX440T-MMRXS21NDNENF440T-MSRUE103AAA
440T-ASCBE143CBN440T-MDSLE11CUCY440T-MMRXS21NGNHNI440T-MSRUE103AAB
440T-ASCBE143CBO440T-MDSLE11CUCZ440T-MMRXS21NJNKNL440T-MSRUE103AAC
440T-ASCBE143CBP440T-MDSLE11CUDA440T-MMRXS21NMNNNO440T-MSRUE103AAD
440T-ASCBE143CBR440T-MDSLE11CUDB440T-MMRXS21NPNVNR440T-MSRUE103AAE
440T-ASCBE143CBS440T-MDSLE11CUDC440T-MMRXS21NSNTNU440T-MSRUE103AAF
440T-ASCBE143CBT440T-MDSLE11CUDE440T-MMRXS21UJVJVJ440T-MSRUE103ABA
440T-ASCBE143CBU440T-MDSLE11CUDF440T-MMRXS21WJXJXJ440T-MSRUE103ABB
5. Product Advantages

  • Strong Corrosion Resistance: 316L stainless steel housing withstands salt air, agricultural chemicals, and industrial cleaners, extending service life.

  • IP67 Harsh-Environment Protection: Resists high-pressure water, full dust, and temporary submersion—reliable in rainy/dusty workplaces.

  • Extreme Vibration Resistance: Reinforced double-latch design tolerates 50Hz vibration, avoiding false unlocks in combine harvesters or heavy conveyors.

  • Wide Voltage Compatibility: Works with 12V DC/24V DC/230V AC systems, matching diverse agri-industrial power setups without converters.

  • Global Safety Compliance: PLd/Category 3 rating meets EN/IEC standards, preventing medium-risk accidents in harsh conditions.

  • Low Maintenance: Anti-loosen terminals and corrosion-resistant materials reduce re-calibration and replacement needs, cutting costs.

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, offering end-to-end solutions: from vibration-prone combine harvesters and moisture-corrosive grain silos to dusty flour processing lines. It targets high-intensity wheat operations—rain-prone farms, inland grain elevators, and industrial flour mills—where corrosion and vibration threaten equipment safety.
The Allen Bradley 440T-ASCBE143BDF’s 316L steel and vibration-resistant latch make it a key component of www.wheat-auto.com’s offerings: integrated into combine harvester engine guards (to handle harvest vibration), grain silo access doors (to resist moisture corrosion), and flour cleaner panels (to block dust). The business leverages the SWITCH’s compliance with ISO 23387 (grain handling safety standards) to ensure reliability during peak harvests or harsh weather. It likely provides farm-specific after-sales services, such as corrosion inspections and vibration testing, to address rural operational challenges. This aligns with “smart agriculture” trends, using durable Allen Bradley SWITCHes to boost wheat production efficiency while minimizing safety risks from harsh conditions.
7. Application Scenarios
The Allen Bradley 440T-ASCBE143BDF SWITCH excels in corrosion-prone and high-vibration environments:

  • Wheat Combine Harvesters: Installed on engine guards, the vibration-resistant latch stays secure during harvest, while IP67 blocks rain and dust.

  • Inland Grain Silos: Mounted on access doors, 316L steel resists moisture corrosion from stored grain, ensuring long-term safety.

  • Flour Processing Mills: Used on cleaner guards, IP67 blocks flour dust, and corrosion-resistant housing withstands mild cleaning chemicals.

  • Mining Conveyors: Integrated into conveyor joint guards, vibration resistance handles heavy-load grain transport, and IP67 blocks mine dust.

  • Cold Wheat Storage: Applied to freezer silo doors, -35°C temperature resilience works reliably in winter cold-storage facilities.

  • Agricultural Chemical Tanks: Used on pesticide tank guards for wheat farms, 316L steel resists chemical corrosion, and IP67 prevents leaks from damaging the SWITCH.


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