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Allen Bradley 440T-ASCBE143DCW Safety Interlock SWITCH

Oct. 17 , 2025
1. Product Name
Allen Bradley 440T-ASCBE143DCW Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-ASCBE143DCW is an IP67-rated safety interlock SWITCH with 316L stainless steel housing, optimized to resist corrosion, water ingress, and vibration for harsh agricultural and industrial settings.
3. Product Description
The Allen Bradley 440T-ASCBE143DCW is a high-durability safety interlock SWITCH, part of Allen Bradley’s 440T series designed to solve critical challenges in tough operations: persistent moisture, chemical corrosion, and mechanical vibration. This Allen Bradley SWITCH acts as a mandatory safety barrier, allowing access to hazardous zones—such as rain-exposed wheat harvesters, coastal grain silos, or chemical processing tanks—only when machinery is fully deactivated and safety conditions (e.g., vibration stop, pressure release) are satisfied.
Constructed with thick-gauge 316L stainless steel (outperforming standard steel in anti-corrosion) and shock-absorbing industrial resin, the Allen Bradley SWITCH achieves IP67 protection. This rating enables it to withstand high-pressure water jets (up to 80bar), block 100% dust penetration, and endure temporary submersion (1m for 30 minutes)—ideal for rainy wheat harvests, dusty flour mills, or sites requiring frequent sanitization. Its core interlock mechanism features a reinforced dual-latch design, tailored to resist loosening under intense vibration (up to 50Hz), eliminating accidental unlocks that could cause safety incidents. With wide voltage compatibility (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, via anti-loosen terminal blocks that reduce re-calibration 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 80°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, environmental resistance, and space efficiency for tight installations (e.g., harvester engine bays or conveyor joint guards).
4. Product Model
440T-ASCBE143DCW440T-MDSLE11PBRB440T-MRKSE103ACC440T-MSRUE10KH
440T-ASCBE143DCX440T-MDSLE11PEPF440T-MRKSE103ACL440T-MSRUE10KI
440T-ASCBE143DCY440T-MDSLE11PFPG440T-MRKSE103ACR440T-MSRUE10KJ
440T-ASCBE143DCZ440T-MDSLE11PGPH440T-MRKSE103ACT440T-MSRUE10KK
440T-ASCBE143DDA440T-MDSLE11PHPI440T-MRKSE103ACV440T-MSRUE10KL
440T-ASCBE143DDB440T-MDSLE11PJPK440T-MRKSE103ADA440T-MSRUE10KM
440T-ASCBE143DDC440T-MDSLE11PLPM440T-MRKSE103AFD440T-MSRUE10KN
440T-ASCBE143DDD440T-MDSLE11PPSS440T-MRKSE103AFP440T-MSRUE10KP
440T-ASCBE143DDE440T-MDSLE11PUPZ440T-MRKSE103BBA440T-MSRUE10KS
440T-ASCBE143DDF440T-MDSLE11PVPY440T-MRKSE103BCC440T-MSRUE10KV
440T-ASCBE143DDG440T-MDSLE11PXPP440T-MRKSE103BCL440T-MSRUE10LA
440T-ASCBE143DDH440T-MDSLE11PXPY440T-MRKSE103BCR440T-MSRUE10LB
440T-ASCBE143DDI440T-MDSLE11RARB440T-MRKSE103BCT440T-MSRUE10LC
440T-ASCBE143DDJ440T-MDSLE11RARC440T-MRKSE103BCV440T-MSRUE10LD
440T-ASCBE143DDK440T-MDSLE11RASA440T-MRKSE103BFD440T-MSRUE10MA
440T-ASCBE143DDL440T-MDSLE11RATA440T-MRKSE103BFP440T-MSRUE10MB
440T-ASCBE143DDM440T-MDSLE11RBRC440T-MRKSE103CAA440T-MSRUE10MC
440T-ASCBE143DDN440T-MDSLE11RCRL440T-MRKSE103CAB440T-MSRUE10MD
440T-ASCBE143DDO440T-MDSLE11RERF440T-MRKSE103CAD440T-MSRUE10ME
440T-ASCBE143DDP440T-MDSLE11RGRH440T-MRKSE103CAE440T-MSRUE10MF
440T-ASCBE143DDR440T-MDSLE11RJRK440T-MRKSE103CAG440T-MSRUE10MG
440T-ASCBE143DDS440T-MDSLE11RURZ440T-MRKSE103CAH440T-MSRUE10MH
440T-ASCBE143DDT440T-MDSLE11SA0T440T-MRKSE103CAJ440T-MSRUE10MI
440T-ASCBE143DDU440T-MDSLE11SAGA440T-MRKSE103CAK440T-MSRUE10MK
440T-ASCBE143DDV440T-MDSLE11SASB440T-MRKSE103CAM440T-MSRUE10MM
440T-ASCBE143DDW440T-MDSLE11SASC440T-MRKSE103CAN440T-MSRUE10MN
440T-ASCBE143DDX440T-MDSLE11SATA440T-MRKSE103CAP440T-MSRUE10MP
440T-ASCBE143DDY440T-MDSLE11SBGB440T-MRKSE103CAR440T-MSRUE10MV
440T-ASCBE143DDZ440T-MDSLE11SBTB440T-MRKSE103CAT440T-MSRUE10NA
440T-ASCBE143DEA440T-MDSLE11SDSE440T-MRKSE103CAU440T-MSRUE10NB
440T-ASCBE143DEB440T-MDSLE11SESD440T-MRKSE103CAW440T-MSRUE10NC
440T-ASCBE143DEC440T-MDSLE11SGSH440T-MRKSE103CAX440T-MSRUE10NK
440T-ASCBE143DED440T-MDSLE11SLGL440T-MRKSE103CAZ440T-MSRUE10NN
440T-ASCBE143DEE440T-MDSLE11SMGM440T-MRKSE103CBA440T-MSRUE10NP
440T-ASCBE143DEF440T-MDSLE11SPGP440T-MRKSE103CBC440T-MSRUE10NR
440T-ASCBE143DEG440T-MDSLE11SXGX440T-MRKSE103CBD440T-MSRUE10NU
440T-ASCBE143DEH440T-MDSLE11TATB440T-MRKSE103CBF440T-MSRUE10OA
440T-ASCBE143DEI440T-MDSLE11TAUA440T-MRKSE103CBG440T-MSRUE10OB
440T-ASCBE143DEJ440T-MDSLE11TDTE440T-MRKSE103CBI440T-MSRUE10OC
440T-ASCBE143DEK440T-MDSLE11TGTH440T-MRKSE103CBJ440T-MSRUE10OD
440T-ASCBE143DEL440T-MDSLE11UATA440T-MRKSE103CBL440T-MSRUE10OE
440T-ASCBE143DEM440T-MDSLE11UAUB440T-MRKSE103CBM440T-MSRUE10OP
440T-ASCBE143DEN440T-MDSLE11UAVA440T-MRKSE10AA440T-MSRUE10PA
440T-ASCBE143DEO440T-MDSLE11VAVB440T-MRKSE10AB440T-MSRUE10PB
440T-ASCBE143DEP440T-MDSLE11VAWA440T-MRKSE10AC440T-MSRUE10PC
440T-ASCBE143DER440T-MDSLE11WAWB440T-MRKSE10AD440T-MSRUE10PD
440T-ASCBE143DES440T-MDSLE11WAXA440T-MRKSE10AE440T-MSRUE10PE
440T-ASCBE143DET440T-MDSLE11WAZA440T-MRKSE10AF440T-MSRUE10PG
440T-ASCBE143DEU440T-MDSLE11WBWC440T-MRKSE10AG440T-MSRUE10PH
440T-ASCBE143DEV440T-MDSLE11WCWD440T-MRKSE10AH440T-MSRUE10PM
440T-ASCBE143DEW440T-MDSLE11WEWF440T-MRKSE10AI440T-MSRUE10PP
440T-ASCBE143DEX440T-MDSLE11WSWN440T-MRKSE10AJ440T-MSRUE10RA
440T-ASCBE143DEY440T-MDSLE11WVTA440T-MRKSE10AK440T-MSRUE10RB
440T-ASCBE143DEZ440T-MDSLE11XAXB440T-MRKSE10AL440T-MSRUE10RC
5. Product Advantages

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

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

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

  • Versatile Voltage Compatibility: Works with 24V DC/110V AC/230V AC systems, matching diverse agri-industrial power setups.

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

  • Low Maintenance: Anti-loosen terminals and corrosion-resistant materials reduce upkeep, 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 coastal grain silos to dusty flour processing lines. It targets high-demand wheat operations—rainy-region farms, coastal grain elevators, and industrial flour mills—where moisture, corrosion, and vibration threaten equipment safety.
The Allen Bradley 440T-ASCBE143DCW’s 316L steel, IP67 protection, and voltage flexibility make it a key component of www.wheat-auto.com’s offerings: integrated into combine harvester engine guards (to handle harvest vibration), coastal silo access doors (to resist salt 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-ASCBE143DCW SWITCH excels in corrosion-prone, wet, and high-vibration environments:

  • Wheat Combine Harvesters (Rainy Regions): Installed on engine guards, IP67 blocks rain while the dual-latch design resists harvest vibration.

  • Coastal Grain Silos: Mounted on access doors, 316L steel resists salt corrosion, ensuring safety during coastal grain storage.

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

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

  • Agricultural Chemical Tanks: Applied to pesticide tank guards for wheat farms, 316L steel resists chemical corrosion, and IP67 prevents leak damage.

  • High-Voltage Wheat Storage: Used on 110V AC-powered silo doors, voltage compatibility matches industrial power setups in large grain facilities.



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