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Allen Bradley 440T-ASCBE14NS Safety Interlock SWITCH

Oct. 17 , 2025
1. Product Name
Allen Bradley 440T-ASCBE14NS Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-ASCBE14NS is an IP66-rated safety interlock SWITCH with 316 stainless steel, optimized for chemical-exposed agri-industrial environments to resist corrosion and hazardous substances.
3. Product Description
The Allen Bradley 440T-ASCBE14NS is a rugged safety interlock SWITCH, part of Allen Bradley’s 440T series engineered for harsh environments with chemical exposure—such as wheat farms (pesticide/fertilizer zones), grain processing facilities (chemical sanitization areas), and industrial chemical plants. This Allen Bradley SWITCH acts as a critical safety barrier, permitting access to hazardous zones only when machinery is fully powered off, chemical residues are neutralized, or pressure systems are depressurized.
Crafted with 316 stainless steel housing (enhanced to resist acidic/alkaline substances like wheat pesticides or industrial cleaners) and chemical-resistant polymer internals, the Allen Bradley SWITCH achieves IP66 protection. This rating ensures complete dust tightness and resistance to high-pressure water jets (up to 100bar), making it suitable for post-pesticide washdowns or chemical spill cleanup. Its core interlock mechanism features a sealed latch design, preventing chemical ingress that could cause malfunctions—essential for wheat farm pesticide storage cabinets or fertilizer mixing equipment. With broad voltage compatibility (24V DC/110V AC/230V AC), the Allen Bradley SWITCH integrates seamlessly with agricultural machinery controls (e.g., pesticide sprayer safety circuits) and industrial safety PLCs, via flame-retardant terminals that reduce fire risks from chemical fumes.
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 reliably in temperatures from -40°C to 70°C, handles 95% non-condensing humidity (even with chemical vapor exposure), and supports a maximum current of 10A at 250V AC—ideal for high-load equipment like chemical-treated grain conveyor guards. With a mechanical service life of 250,000 operations and compact dimensions (8.5×6.2×2.4cm), the Allen Bradley SWITCH balances chemical resilience, durability, and space efficiency for tight installation spots (e.g., pesticide storage doors or fertilizer mixer guards).
4. Product Model
440T-ASCBE14NS440T-MDSLJ11ACAD440T-MRKSE110A440T-MSRUE11BJ
440T-ASCBE14NT440T-MDSLJ11ACAG440T-MRKSE110B440T-MSRUE11BK
440T-ASCBE14NU440T-MDSLJ11ACBC440T-MRKSE110C440T-MSRUE11BL
440T-ASCBE14NV440T-MDSLJ11ACCA440T-MRKSE110D440T-MSRUE11BM
440T-ASCBE14NW440T-MDSLJ11ADAH440T-MRKSE110E440T-MSRUE11BN
440T-ASCBE14NX440T-MDSLJ11AEAF440T-MRKSE110F440T-MSRUE11BO
440T-ASCBE14NY440T-MDSLJ11AEEA440T-MRKSE110G440T-MSRUE11BP
440T-ASCBE14NZ440T-MDSLJ11AGAH440T-MRKSE110H440T-MSRUE11BR
440T-ASCBE14OA440T-MDSLJ11AGGA440T-MRKSE110I440T-MSRUE11BS
440T-ASCBE14OB440T-MDSLJ11AHAG440T-MRKSE110J440T-MSRUE11BT
440T-ASCBE14OC440T-MDSLJ11AHAI440T-MRKSE110K440T-MSRUE11BU
440T-ASCBE14OD440T-MDSLJ11AIAJ440T-MRKSE110L440T-MSRUE11BV
440T-ASCBE14OE440T-MDSLJ11AKAL440T-MRKSE110M440T-MSRUE11BW
440T-ASCBE14OF440T-MDSLJ11AMAN440T-MRKSE110N440T-MSRUE11BX
440T-ASCBE14OG440T-MDSLJ11AOAP440T-MRKSE110O440T-MSRUE11BY
440T-ASCBE14OH440T-MDSLJ11ASAT440T-MRKSE110P440T-MSRUE11BZ
440T-ASCBE14OI440T-MDSLJ11AVAW440T-MRKSE110R440T-MSRUE11CA
440T-ASCBE14OJ440T-MDSLJ11AWAX440T-MRKSE110S440T-MSRUE11CB
440T-ASCBE14OK440T-MDSLJ11BABB440T-MRKSE110T440T-MSRUE11CC
440T-ASCBE14OL440T-MDSLJ11BABC440T-MRKSE110U440T-MSRUE11CD
440T-ASCBE14OM440T-MDSLJ11BABD440T-MRKSE110V440T-MSRUE11CE
440T-ASCBE14ON440T-MDSLJ11BACA440T-MRKSE110W440T-MSRUE11CF
440T-ASCBE14OO440T-MDSLJ11BADA440T-MRKSE110X440T-MSRUE11CG
440T-ASCBE14OP440T-MDSLJ11BAEA440T-MRKSE110Y440T-MSRUE11CH
440T-ASCBE14OR440T-MDSLJ11BAFA440T-MRKSE110Z440T-MSRUE11CI
440T-ASCBE14OS440T-MDSLJ11BAGA440T-MRKSE113ABZ440T-MSRUE11CJ
440T-ASCBE14OT440T-MDSLJ11BAHA440T-MRKSE113ACC440T-MSRUE11CK
440T-ASCBE14OU440T-MDSLJ11BAIA440T-MRKSE113ACF440T-MSRUE11CL
440T-ASCBE14OV440T-MDSLJ11BAJA440T-MRKSE113BAA440T-MSRUE11CM
440T-ASCBE14OW440T-MDSLJ11BAKA440T-MRKSE113BAC440T-MSRUE11CN
440T-ASCBE14OX440T-MDSLJ11BALA440T-MRKSE113BAE440T-MSRUE11CO
440T-ASCBE14OY440T-MDSLJ11BAMA440T-MRKSE113BAG440T-MSRUE11CP
440T-ASCBE14OZ440T-MDSLJ11BANA440T-MRKSE113BFV440T-MSRUE11CR
440T-ASCBE14PA440T-MDSLJ11BAPA440T-MRKSE113BFY440T-MSRUE11CS
440T-ASCBE14PB440T-MDSLJ11BBAA440T-MRKSE113CAA440T-MSRUE11CT
440T-ASCBE14PC440T-MDSLJ11BBBA440T-MRKSE113CAC440T-MSRUE11CU
440T-ASCBE14PD440T-MDSLJ11BBBC440T-MRKSE113CAE440T-MSRUE11CV
440T-ASCBE14PE440T-MDSLJ11BBBD440T-MRKSE113CAG440T-MSRUE11CW
440T-ASCBE14PF440T-MDSLJ11BBBF440T-MRKSE113CEZ440T-MSRUE11CX
440T-ASCBE14PG440T-MDSLJ11BBCB440T-MRKSE113CFC440T-MSRUE11CY
440T-ASCBE14PH440T-MDSLJ11BBCC440T-MRKSE113DAA440T-MSRUE11CZ
440T-ASCBE14PI440T-MDSLJ11BBDB440T-MRKSE113EAA440T-MSRUE11DA
440T-ASCBE14PJ440T-MDSLJ11BBEB440T-MRKSE11AA440T-MSRUE11DB
440T-ASCBE14PK440T-MDSLJ11BBFB440T-MRKSE11AB440T-MSRUE11DC
440T-ASCBE14PL440T-MDSLJ11BBGB440T-MRKSE11AC440T-MSRUE11DD
440T-ASCBE14PM440T-MDSLJ11BBHB440T-MRKSE11AD440T-MSRUE11DE
440T-ASCBE14PMSA440T-MDSLJ11BBIB440T-MRKSE11AE440T-MSRUE11DF
440T-ASCBE14PMSAB440T-MDSLJ11BBJB440T-MRKSE11AF440T-MSRUE11DG
440T-ASCBE14PMSB440T-MDSLJ11BBKB440T-MRKSE11AG440T-MSRUE11DH
440T-ASCBE14PMSBC440T-MDSLJ11BBLB440T-MRKSE11AH440T-MSRUE11DI
440T-ASCBE14PMSC440T-MDSLJ11BBMB440T-MRKSE11AI440T-MSRUE11DJ
440T-ASCBE14PMSCD440T-MDSLJ11BBNB440T-MRKSE11AJ440T-MSRUE11DK
440T-ASCBE14PMSD440T-MDSLJ11BBPB440T-MRKSE11AK440T-MSRUE11DL
440T-ASCBE14PMSDE440T-MDSLJ11BBRB440T-MRKSE11AL440T-MSRUE11DM
440T-ASCBE14PMSE440T-MDSLJ11BCBD440T-MRKSE11AM440T-MSRUE11DN
440T-ASCBE14PMSEF440T-MDSLJ11BCBG440T-MRKSE11AN440T-MSRUE11DO
440T-ASCBE14PMSF440T-MDSLJ11BCCC440T-MRKSE11AO440T-MSRUE11DP
440T-ASCBE14PMSFG440T-MDSLJ11BCCD440T-MRKSE11AP440T-MSRUE11DR
5. Product Advantages

  • Chemical Resistance: 316 stainless steel + chemical-resistant internals withstand wheat pesticides, fertilizers, and industrial cleaners.

  • IP66 Heavy-Duty Protection: Blocks dust and 100bar water jets, reliable for post-chemical washdowns in agri settings.

  • Broad Environmental Adaptability: -40°C to 70°C range suits cold wheat farms and heated chemical processing areas.

  • Multi-Voltage Compatibility: Works with 24V DC/110V AC/230V AC systems, matching agri-machinery and industrial PLCs.

  • Rigorous Safety Compliance: PLd/Category 3 rating meets global agri-industrial safety standards, protecting personnel.

  • Long-Lasting Durability: 250,000-cycle mechanical life reduces replacement costs in chemical-exposed zones.

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 solutions for chemical-exposed wheat operations—pesticide storage, fertilizer mixing, and chemically treated grain handling. It targets commercial wheat farms and grain processors facing risks from hazardous substances, offering tailored systems like automated pesticide sprayers, fertilizer blending units, and chemical-sanitized grain conveyors.
The Allen Bradley 440T-ASCBE14NS’s chemical resistance makes it a core component in the site’s offerings: integrated into pesticide storage cabinet guards (to resist chemical spills), fertilizer mixer access doors (to withstand alkaline residues), and chemically treated grain conveyor gates (to handle post-sanitization washdowns). The business leverages the SWITCH’s compliance with ISO 23387 (grain handling safety) and EN 60529 (IP66) to ensure reliability in chemical-rich wheat environments. It likely provides chemical-specific after-sales services, such as corrosion inspections and residue cleaning guidance, to address farm safety needs. This aligns with “smart agriculture” trends, using industrial-grade Allen Bradley SWITCHes to maintain efficiency while mitigating chemical hazards.
7. Application Scenarios
The Allen Bradley 440T-ASCBE14NS SWITCH excels in chemical-exposed agri-industrial environments:

  • Wheat Pesticide Storage: Installed on pesticide cabinet guards, chemical resistance prevents malfunction from spillage—only unlocks when cabinets are empty.

  • Fertilizer Mixing Equipment: Mounted on mixer access doors, 316 steel resists alkaline fertilizer residues, ensuring safety post-mixing.

  • Chemically Treated Grain Conveyors: Used on conveyor guards, IP66 withstands post-treatment washdowns to remove chemical residues.

  • Industrial Chemical Plants: Integrated into chemical drum storage doors, chemical resistance protects against acidic/alkaline fumes.

  • Coastal Wheat Farms (Fertilizer Zones): Applied to fertilizer storage guards, 316 steel resists salt spray + fertilizer corrosion.

  • Food Processing (Chemical Sanitization): Used on wheat flour sanitizer guards, IP66 handles high-pressure chemical cleaning sprays.


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