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Allen Bradley 440T-ASCBS14BK Safety Interlock SWITCH

Oct. 17 , 2025
1. Product Name
Allen Bradley 440T-ASCBS14BK Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-ASCBS14BK is an IP67-rated safety interlock SWITCH with 316 stainless steel, built for chemical-dusty agri-industrial environments like wheat farms and grain processors.
3. Product Description
The Allen Bradley 440T-ASCBS14BK is a high-reliability safety interlock SWITCH, part of Allen Bradley’s 440T series tailored for agri-industrial settings plagued by chemicals and dust—such as wheat pesticide application zones, grain processing facilities, and fertilizer storage yards. This Allen Bradley SWITCH serves as a critical safety barrier, permitting access to hazardous areas only when machinery halts completely, chemical residues are removed, or dust concentrations drop to safe levels.
Crafted with corrosion-resistant 316 stainless steel (resisting wheat pesticides, granular fertilizer abrasion, and mild industrial solvents) and sealed internal components, the Allen Bradley SWITCH achieves IP67 protection—effectively blocking dust ingress and temporary water submersion (up to 1m for 30 minutes), addressing common issues in open-air grain yards and chemical mixing areas. Its key design element is dust-tight terminal chambers, which prevent grain dust accumulation from disrupting electrical connectivity—a major pain point in wheat processing. The Allen Bradley SWITCH supports versatile voltage input (24V DC to 230V AC), seamlessly integrating with small-scale wheat farm equipment (solar-powered sprayers) and large industrial grain handlers (grid-powered conveyors).
Compliant with EN ISO 14119 and IEC 60947-5-1, this Allen Bradley SWITCH meets Category 3 safety standards with Performance Level d (PLd). It operates reliably in temperatures from -40°C to 75°C (suiting Arctic wheat storage and desert harvesting), handles 95% non-condensing humidity (even with chemical vapors), and supports 10A current at 250V AC for high-load machinery. With a 300,000-operation mechanical life and compact dimensions (8.7×6.4×2.6cm), the Allen Bradley SWITCH balances durability and space efficiency for tight installations like pesticide sprayer guards.
4. Product Model
440T-ASCBS14BK440T-MDSLT10NGNH440T-MRKSE11ME440T-MSRUE11PL
440T-ASCBS14BL440T-MDSLT10NJNK440T-MRKSE11MF440T-MSRUE11PM
440T-ASCBS14BM440T-MDSLT10NMNN440T-MRKSE11MG440T-MSRUE11PN
440T-ASCBS14BN440T-MDSLT10NRNS440T-MRKSE11MH440T-MSRUE11PO
440T-ASCBS14BP440T-MDSLT10NXNY440T-MRKSE11MI440T-MSRUE11PP
440T-ASCBS14BR440T-MDSLT10OYRW440T-MRKSE11MJ440T-MSRUE11PR
440T-ASCBS14BS440T-MDSLT10PAPB440T-MRKSE11MK440T-MSRUE11PS
440T-ASCBS14BT440T-MDSLT10PDPE440T-MRKSE11ML440T-MSRUE11PT
440T-ASCBS14BU440T-MDSLT10PGPH440T-MRKSE11MM440T-MSRUE11PU
440T-ASCBS14BV440T-MDSLT10PJPK440T-MRKSE11MN440T-MSRUE11PV
440T-ASCBS14BW440T-MDSLT10PMPN440T-MRKSE11MO440T-MSRUE11PW
440T-ASCBS14BX440T-MDSLT10PRPS440T-MRKSE11MP440T-MSRUE11PX
440T-ASCBS14BY440T-MDSLT10PUPV440T-MRKSE11MR440T-MSRUE11PY
440T-ASCBS14BZ440T-MDSLT10PXPY440T-MRKSE11MS440T-MSRUE11PZ
440T-ASCBS14CA440T-MDSLT10RARB440T-MRKSE11MT440T-MSRUE11RA
440T-ASCBS14CB440T-MDSLT10RASA440T-MRKSE11MU440T-MSRUE11RB
440T-ASCBS14CC440T-MDSLT10RDRE440T-MRKSE11MV440T-MSRUE11RC
440T-ASCBS14CD440T-MDSLT10RGRH440T-MRKSE11MW440T-MSRUE11RD
440T-ASCBS14CE440T-MDSLT10RJRK440T-MRKSE11MX440T-MSRUE11RE
440T-ASCBS14CF440T-MDSLT10RMRN440T-MRKSE11MY440T-MSRUE11RF
440T-ASCBS14CG440T-MDSLT10RRRS440T-MRKSE11MZ440T-MSRUE11RG
440T-ASCBS14CH440T-MDSLT10RURV440T-MRKSE11NA440T-MSRUE11RH
440T-ASCBS14CI440T-MDSLT10RZSA440T-MRKSE11NB440T-MSRUE11RI
440T-ASCBS14CJ440T-MDSLT10SKSL440T-MRKSE11NC440T-MSRUE11RJ
440T-ASCBS14CK440T-MDSLT10SNSP440T-MRKSE11ND440T-MSRUE11RK
440T-ASCBS14CL440T-MDSLT10UAVA440T-MRKSE11NE440T-MSRUE11RL
440T-ASCBS14CM440T-MDSLT110B0C440T-MRKSE11NF440T-MSRUE11RM
440T-ASCBS14CN440T-MDSLT110CCC440T-MRKSE11NG440T-MSRUE11RN
440T-ASCBS14CP440T-MDSLT110GGC440T-MRKSE11NH440T-MSRUE11RO
440T-ASCBS14CR440T-MDSLT11AABA440T-MRKSE11NI440T-MSRUE11RP
440T-ASCBS14CS440T-MDSLT11BBEB440T-MRKSE11NJ440T-MSRUE11RR
440T-ASCBS14CT440T-MDSLT11DAEA440T-MRKSE11NK440T-MSRUE11RS
440T-ASCBS14CU440T-MDSLT11ENEO440T-MRKSE11NL440T-MSRUE11RT
440T-ASCBS14CV440T-MDSLT11SBSC440T-MRKSE11NM440T-MSRUE11RU
440T-ASCBS14CW440T-MDSLT11SESF440T-MRKSE11NN440T-MSRUE11RV
440T-ASCBS14CX440T-MDSLT11SHSI440T-MRKSE11NO440T-MSRUE11RX
440T-ASCBS14CY440T-MDSLT11SKSL440T-MRKSE11NP440T-MSRUE11RY
440T-ASCBS14CZ440T-MDSLT11SNSO440T-MRKSE11NR440T-MSRUE11RZ
440T-ASCBS14DA440T-MDSLT11SRSS440T-MRKSE11NS440T-MSRUE11SA
440T-ASCBS14DD440T-MDSLT11SRSZ440T-MRKSE11NT440T-MSRUE11SB
440T-ASCBS14DM440T-MDSLT11STSU440T-MRKSE11NU440T-MSRUE11SC
440T-ASCBS14DX440T-MDSLT11SWSX440T-MRKSE11NV440T-MSRUE11SD
440T-ASCBS14EA440T-MDSLT11TBTC440T-MRKSE11NW440T-MSRUE11SE
440T-ASCBS14EB440T-MDSLT11TFTG440T-MRKSE11NX440T-MSRUE11SF
440T-ASCBS14EM440T-MDSLT11TITJ440T-MRKSE11NY440T-MSRUE11SG
440T-ASCBS14EN440T-MDSLT11TLTM440T-MRKSE11NZ440T-MSRUE11SH
440T-ASCBS14ER440T-MDSSE10440T-MRKSE11OA440T-MSRUE11SI
440T-ASCBS14FA440T-MDSSE100A0B440T-MRKSE11OB440T-MSRUE11SJ
440T-ASCBS14FB440T-MDSSE100A0C440T-MRKSE11OC440T-MSRUE11SK
440T-ASCBS14FC440T-MDSSE100A0D440T-MRKSE11OD440T-MSRUE11SL
440T-ASCBS14FF440T-MDSSE100A0E440T-MRKSE11OE440T-MSRUE11SM
440T-ASCBS14FG440T-MDSSE100A0R440T-MRKSE11OF440T-MSRUE11SN
440T-ASCBS14FI440T-MDSSE100A0S440T-MRKSE11OG440T-MSRUE11SO
440T-ASCBS14FM440T-MDSSE100A0T440T-MRKSE11OH440T-MSRUE11SP
440T-ASCBS14FN440T-MDSSE100A0Z440T-MRKSE11OI440T-MSRUE11SR
440T-ASCBS14FS440T-MDSSE100AAA440T-MRKSE11OJ440T-MSRUE11SS
5. Product Advantages

  • IP67 Dust & Water Protection: Blocks dust and 1m temporary submersion, ideal for open-air wheat yards and chemical washdowns.

  • 316 Stainless Steel Durability: Resists pesticide corrosion and grain dust abrasion, extending life in agri-chemical environments.

  • Dust-Tight Terminals: Prevents grain dust buildup in terminals, avoiding connectivity failures in processing facilities.

  • Wide Temperature Range: -40°C to 75°C suits Arctic silos and desert wheat farms, no performance loss in extremes.

  • Versatile Voltage Compatibility: 24V DC-230V AC works with solar/grid-powered equipment, eliminating power mismatch.

  • Long Mechanical Life: 300,000 operations reduce replacement frequency, cutting maintenance costs for high-use farms.

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, dust-heavy wheat operations—from pesticide sprayers and grain processors to fertilizer storage systems. It targets commercial wheat farms, regional grain elevators, and agri-chemical facilities that demand safety components resilient to harsh on-site conditions.
The Allen Bradley 440T-ASCBS14BK’s IP67 dust/water protection and 316 steel corrosion resistance make it a core component for the site’s offerings: integrated into pesticide sprayer guard doors (resisting chemical spills), grain conveyor access panels (blocking dust), and fertilizer storage gates (withstanding mild solvent exposure). The site likely leverages the SWITCH’s compliance with ISO 23387 (grain handling safety) and agricultural chemical standards to assure clients of safety in toxic/dusty wheat production. Additionally, it may provide farm-specific services—like dust-cleaning maintenance for terminals and corrosion inspections—to address rural operational challenges. This alignment with “smart agriculture” uses the Allen Bradley SWITCH to enable efficient, safe wheat production where standard automation components fail.
7. Application Scenarios
The Allen Bradley 440T-ASCBS14BK SWITCH excels in chemical-dusty agri-industrial environments:

  • Wheat Pesticide Sprayers: Installed on sprayer tank access guards, 316 steel resists pesticide corrosion—unlocks only when tanks are empty.

  • Grain Processing Lines: Mounted on conveyor access panels, IP67 blocks grain dust ingress, ensuring safety during maintenance.

  • Fertilizer Storage (Wheat Farms): Used on granular fertilizer bin doors, 316 steel withstands fertilizer abrasion and mild chemical vapors.

  • Outdoor Wheat Washdown Zones: Applied to grain cleaner guards, IP67 handles temporary water splashes during equipment cleaning.

  • Desert Wheat Harvesting Equipment: Integrated into harvester engine guards, 75°C heat resistance works with solar-powered systems (24V DC).

  • Arctic Wheat Storage Silos: Used on silo access doors, -40°C resilience ensures safety control in winter, compatible with grid-powered systems (230V AC).


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