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Allen Bradley 440T-ASCBE143DAS Safety Interlock SWITCH

Oct. 17 , 2025
1. Product Name
Allen Bradley 440T-ASCBE143DAS Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-ASCBE143DAS is an IP67-rated safety interlock SWITCH with 316L stainless steel housing, engineered to resist corrosion, vibration, and harsh elements, ideal for agricultural and industrial high-stress environments.
3. Product Description
The Allen Bradley 440T-ASCBE143DAS is a rugged safety interlock SWITCH, part of Allen Bradley’s 440T series designed to solve critical challenges in harsh operations: corrosive substances, persistent vibration, and extreme weather. This Allen Bradley SWITCH acts as a strict safety barrier, allowing access to hazardous zones—such as vibrating wheat combine harvesters, inland grain silos, or industrial mixing tanks—only when machinery is fully shut down and safety conditions (e.g., vibration stop, pressure release) are satisfied.
Made with thick 316L stainless steel housing (superior to standard stainless steel in anti-corrosion performance) and shock-absorbing industrial polymer, the Allen Bradley SWITCH achieves IP67 protection. This rating lets it 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 needing frequent cleaning. Its core interlock mechanism features a reinforced dual-latch design, optimized to resist loosening under strong vibration (up to 50Hz), avoiding accidental unlocks that could cause safety incidents. With wide voltage compatibility (12V DC/24V DC/110V AC/230V AC), the Allen Bradley SWITCH integrates smoothly with agricultural machinery controls (e.g., wheat cleaner safety circuits) and industrial safety PLCs, thanks to anti-loosen terminal blocks that reduce re-adjustment needs.
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 -30°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 silo conveyors or industrial mixing tanks. With a mechanical service life of 250,000 operations and compact dimensions (8.5×6.3×2.3cm), the Allen Bradley SWITCH balances durability, vibration resistance, and space efficiency for tight installations, such as harvester engine bays or conveyor joint guards.
4. Product Model
440T-ASCBE143DAS440T-MDSLE11KAKC440T-MQBLE13AAABACAD440T-MSRUE10FM
440T-ASCBE143DAT440T-MDSLE11KAKH440T-MQBLE13BABBBCBD440T-MSRUE10FP
440T-ASCBE143DAU440T-MDSLE11KALA440T-MQBLE14440T-MSRUE10FR
440T-ASCBE143DAV440T-MDSLE11KAOB440T-MQBLE140A0B0C0D440T-MSRUE10FS
440T-ASCBE143DAW440T-MDSLE11KBKC440T-MQBLE140A0B0C0E440T-MSRUE10FT
440T-ASCBE143DAX440T-MDSLE11KBLB440T-MQBLE140B0B0B0A440T-MSRUE10FX
440T-ASCBE143DAY440T-MDSLE11KCKD440T-MQBLE140D0E0F0H440T-MSRUE10GA
440T-ASCBE143DAZ440T-MDSLE11KCKE440T-MQBLE14AAAAAABB440T-MSRUE10GB
440T-ASCBE143DBA440T-MDSLE11KCKF440T-MQBLE14EBEBEBEA440T-MSRUE10GC
440T-ASCBE143DBB440T-MDSLE11KCKG440T-MQBLE14EDEDEDEC440T-MSRUE10GD
440T-ASCBE143DBC440T-MDSLE11KGKH440T-MQBLE14SASASAAA440T-MSRUE10GE
440T-ASCBE143DBD440T-MDSLE11LALB440T-MQBLE14SDSDSDDA440T-MSRUE10GF
440T-ASCBE143DBE440T-MDSLE11LALC440T-MQBLE14SFSFSFSA440T-MSRUE10GG
440T-ASCBE143DBF440T-MDSLE11LAMA440T-MQBLE14SFSFSFSB440T-MSRUE10GJ
440T-ASCBE143DBG440T-MDSLE11LANA440T-MQBLE14SFSFSFSC440T-MSRUE10GM
440T-ASCBE143DBH440T-MDSLE11LAOH440T-MQBLE14SFSFSFSD440T-MSRUE10GP
440T-ASCBE143DBI440T-MDSLE11LAPA440T-MQBLE14SGSGSGGA440T-MSRUE10GR
440T-ASCBE143DBJ440T-MDSLE11LARA440T-MQBLE14SGSGSGGB440T-MSRUE10GS
440T-ASCBE143DBK440T-MDSLE11LASA440T-MQBLE14SGSGSGGC440T-MSRUE10HA
440T-ASCBE143DBL440T-MDSLE11LBJB440T-MQBLE14SPSPSPPA440T-MSRUE10HB
440T-ASCBE143DBM440T-MDSLE11LBLC440T-MQBLE14SPSPSPPB440T-MSRUE10HC
440T-ASCBE143DBN440T-MDSLE11LCLD440T-MQBLE14SPSPSPPC440T-MSRUE10HD
440T-ASCBE143DBO440T-MDSLE11LELF440T-MQBLE14SPSPSPPD440T-MSRUE10HE
440T-ASCBE143DBP440T-MDSLE11LGLH440T-MQBLE15440T-MSRUE10HF
440T-ASCBE143DBR440T-MDSLE11LLNN440T-MQBLE16440T-MSRUE10HG
440T-ASCBE143DBS440T-MDSLE11LMLN440T-MQBLE17440T-MSRUE10HH
440T-ASCBE143DBT440T-MDSLE11LMNO440T-MQBLS15AAAAAABB440T-MSRUE10HM
440T-ASCBE143DBU440T-MDSLE11LOLP440T-MQBLS16BABABAAA440T-MSRUE10HO
440T-ASCBE143DBV440T-MDSLE11LRLS440T-MRKSE10440T-MSRUE10HP
440T-ASCBE143DBW440T-MDSLE11MAMB440T-MRKSE100A440T-MSRUE10IA
440T-ASCBE143DBX440T-MDSLE11MAMC440T-MRKSE100B440T-MSRUE10IB
440T-ASCBE143DBY440T-MDSLE11MANA440T-MRKSE100C440T-MSRUE10IC
440T-ASCBE143DBZ440T-MDSLE11MANB440T-MRKSE100D440T-MSRUE10IG
440T-ASCBE143DCA440T-MDSLE11MBMC440T-MRKSE100E440T-MSRUE10II
440T-ASCBE143DCB440T-MDSLE11MBNB440T-MRKSE100F440T-MSRUE10IJ
440T-ASCBE143DCC440T-MDSLE11MFMC440T-MRKSE100G440T-MSRUE10IK
440T-ASCBE143DCD440T-MDSLE11MGMH440T-MRKSE100H440T-MSRUE10IL
440T-ASCBE143DCE440T-MDSLE11MHMG440T-MRKSE100I440T-MSRUE10IN
440T-ASCBE143DCF440T-MDSLE11MJMI440T-MRKSE100J440T-MSRUE10IP
440T-ASCBE143DCG440T-MDSLE11MLMK440T-MRKSE100K440T-MSRUE10IR
440T-ASCBE143DCH440T-MDSLE11NANB440T-MRKSE100L440T-MSRUE10JA
440T-ASCBE143DCI440T-MDSLE11NAOA440T-MRKSE100M440T-MSRUE10JB
440T-ASCBE143DCJ440T-MDSLE11NAPA440T-MRKSE100N440T-MSRUE10JC
440T-ASCBE143DCK440T-MDSLE11NARA440T-MRKSE100O440T-MSRUE10JJ
440T-ASCBE143DCL440T-MDSLE11NASA440T-MRKSE100P440T-MSRUE10JP
440T-ASCBE143DCM440T-MDSLE11NATA440T-MRKSE100R440T-MSRUE10JV
440T-ASCBE143DCN440T-MDSLE11NBNC440T-MRKSE100S440T-MSRUE10JX
440T-ASCBE143DCO440T-MDSLE11NGNH440T-MRKSE100T440T-MSRUE10KA
440T-ASCBE143DCP440T-MDSLE11OAOB440T-MRKSE100U440T-MSRUE10KB
440T-ASCBE143DCR440T-MDSLE11OAPA440T-MRKSE100V440T-MSRUE10KC
440T-ASCBE143DCS440T-MDSLE11PAPB440T-MRKSE100W440T-MSRUE10KD
440T-ASCBE143DCT440T-MDSLE11PAPC440T-MRKSE100X440T-MSRUE10KE
440T-ASCBE143DCU440T-MDSLE11PARA440T-MRKSE100Y440T-MSRUE10KF
440T-ASCBE143DCV440T-MDSLE11PBPC440T-MRKSE100Z440T-MSRUE10KG
5. Product Advantages

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

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

  • Excellent Vibration Resistance: Reinforced dual-latch design resists 50Hz vibration, preventing false unlocks in combine harvesters or heavy conveyors.

  • Broad Voltage Compatibility: Works with 12V DC/24V DC/110V AC/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 operational 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 inland grain silos to dusty flour processing lines. It targets high-demand wheat operations—rainy-region farms, inland grain elevators, and industrial flour mills—where corrosion and vibration threaten equipment safety.
The Allen Bradley 440T-ASCBE143DAS’s 316L steel, IP67 protection, and wide voltage compatibility make it a key component of www.wheat-auto.com’s offerings: integrated into combine harvester engine guards (to handle harvest vibration), inland silo access doors (to resist moist air corrosion), and wheat 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-ASCBE143DAS SWITCH performs well in corrosion-prone, high-vibration, and voltage-diverse environments:

  • Wheat Combine Harvesters: Installed on engine guards, the dual-latch design resists harvest vibration, while IP67 blocks rain and dust.

  • Inland Grain Silos: Mounted on access doors, 316L steel resists moist air corrosion, ensuring safety during grain storage and unloading.

  • 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.

  • Industrial Mixing Tanks: Applied to 230V AC-powered tank doors, broad voltage compatibility matches industrial power setups.

  • Agricultural Chemical Storage: Used on fertilizer tank guards for wheat farms, 316L steel resists chemical corrosion, and IP67 prevents leak damage to the SWITCH.


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