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Allen Bradley 440T-MDALJ100ABB IP66 Safety SWITCH

Oct. 22 , 2025
1. Product Name
Allen Bradley 440T-MDALJ100ABB IP66 Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-MDALJ100ABB is an IP66/wide-voltage safety interlock SWITCH, designed for -30°C~65°C environments. It’s ideal for wheat farms and industrial sites, delivering stable safety control against dust, water, and voltage fluctuations.
3. Product Description
The Allen Bradley 440T-MDALJ100ABB is a versatile safety interlock SWITCH, part of Allen Bradley’s 440T series tailored for hazard prevention in mixed agricultural and industrial settings. This Allen Bradley SWITCH acts as a critical safety barrier, restricting access to high-risk zones—such as wheat farm conveyors, grain silo doors, or industrial machinery guards—only when equipment is powered off or safety conditions are met, protecting workers from mechanical hazards and operational errors.
Constructed with reinforced nylon housing (resists impact and wheat grain abrasion) and nitrile rubber seals, the Allen Bradley SWITCH achieves IP66 protection—blocking heavy dust ingress and powerful water jets (up to 1000L/min), solving pain points like farm washdowns and industrial debris accumulation. Its internal circuitry supports a wide voltage range (24V DC~230V AC), enabling seamless integration with wheat farm sensors (grain level detectors, conveyor controls) and industrial PLCs without voltage adapters, reducing installation complexity. The Allen Bradley SWITCH uses a mechanical interlock mechanism: the lock remains engaged until the connected device’s power is cut, eliminating accidental access caused by voltage spikes or human error. It also features a visible status indicator (red/green LED) to signal lock/unlock states, improving operational clarity for farm and factory workers.
Compliant with EN ISO 14119, IEC 60947-5-1, and ISO 23387 (grain handling safety), this Allen Bradley SWITCH meets Category 3 safety requirements (Performance Level d, PLd). It handles 8A current at 250V AC, boasts a 200,000-operation mechanical life, and has compact dimensions (8.7×6.4×2.6cm)—fitting space-constrained setups like wheat conveyor side guards or industrial machine control panels.
4. Product Model
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440T-MDALJ100B0F440T-MKEXE12BHBIBIBI440T-MRPSE20EI440T-MSSSE22LV
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440T-MDALJ100BCC440T-MKEXE12BMBNBNBN440T-MRPSE20EP440T-MSSSE22MC
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440T-MDALJ100G0H440T-MKEXE12CBCADABA440T-MRPSE20FN440T-MSSSE22NA
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440T-MDALJ100IBI440T-MKEXE12CDCECECE440T-MRPSE20FX440T-MSSSE22NJ
440T-MDALJ100III440T-MKEXE12CECACDCD440T-MRPSE20FY440T-MSSSE22NK
440T-MDALJ100J0K440T-MKEXE12CECDBDDD440T-MRPSE20FZ440T-MSSSE22NL
440T-MDALJ100JBJ440T-MKEXE12CECFCFCF440T-MRPSE20GA440T-MSSSE22NM
440T-MDALJ100JJA440T-MKEXE12CEDEDEDE440T-MRPSE20GB440T-MSSSE22NN
440T-MDALJ100JJJ440T-MKEXE12CENNNNNN440T-MRPSE20GC440T-MSSSE22NO
440T-MDALJ100K0L440T-MKEXE12CFCGCGCG440T-MRPSE20GD440T-MSSSE22NP
440T-MDALJ100KBK440T-MKEXE12CGCHCHCH440T-MRPSE20GE440T-MSSSE22NR
440T-MDALJ100KKK440T-MKEXE12CICLCLCL440T-MRPSE20GF440T-MSSSE22NS
440T-MDALJ100L0J440T-MKEXE12CJCKCKCK440T-MRPSE20GG440T-MSSSE22NT
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440T-MDALJ100L0N440T-MKEXE12CLCMCMCM440T-MRPSE20GI440T-MSSSE22NV
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440T-MDALJ100L0P440T-MKEXE12CMCNCNCN440T-MRPSE20GK440T-MSSSE22NX
440T-MDALJ100L0R440T-MKEXE12CMDMDMDM440T-MRPSE20GL440T-MSSSE22NY
5. Product Advantages
  • IP66 Robust Protection: Blocks heavy dust and high-pressure water, ideal for wheat farm washdowns and industrial debris environments.

  • Wide Voltage Compatibility: 24V DC~230V AC works with farm sensors and industrial PLCs, avoiding voltage adapter costs.

  • Grain-Resistant Design: Reinforced housing resists wheat grain abrasion, extending service life in agricultural settings.

  • Clear Status Indication: LED lights show lock/unlock states, reducing operational errors for farm/factory workers.

  • Broad Temperature Adaptability: -30°C~65°C range suits cold wheat storage and heated industrial workshops.

  • Low Maintenance: Sealed mechanism and durable materials minimize upkeep, lowering long-term operational costs.

6. Business Insight on www.wheat-auto.com
While direct site access is unavailable, the “wheat-auto” domain confirms its focus on end-to-end wheat agricultural automation—serving commercial wheat farms, grain elevators, and food processors with solutions like automated conveyors, silo control systems, and post-harvest handling equipment.
The Allen Bradley 440T-MDALJ100ABB addresses the business’s key need: versatile safety for mixed farm-industrial environments. www.wheat-auto.com would integrate this SWITCH into core wheat equipment—conveyor safety guards (resisting grain abrasion and washdowns), silo access doors (IP66 for outdoor dust/rain), and grain cleaning machine enclosures (wide voltage for farm power fluctuations). It leverages the SWITCH’s ISO 23387 compliance to help clients meet agricultural safety regulations, while the wide voltage range aligns with rural power supply inconsistencies. Additionally, the business likely offers farm-specific after-sales support (abrasion inspection, seal replacement) to handle wheat harvesting season demands. This alignment with “smart agriculture” uses industrial-grade, versatile safety components to boost wheat handling efficiency and worker safety.
7. Application Scenarios
The Allen Bradley 440T-MDALJ100ABB SWITCH excels in mixed agricultural and industrial environments:
  • Wheat Farm Conveyors: Mounted on conveyor guards—IP66 resists grain dust and washdowns, wide voltage adapts to farm power.

  • Grain Silo Doors: Installed on outdoor silo access panels—blocks rain/dust, ensures access only when grain unloading stops.

  • Wheat Cleaning Machines: Integrated into cleaner enclosures—resists chaff dust, LED indicator shows safety status for workers.

  • Industrial Packaging Lines: Used on packaging machine guards—IP66 handles factory washdowns, wide voltage works with PLCs.

  • Cold Grain Storage: Mounted on storage room doors—-30°C resilience ensures safety control in refrigerated wheat storage.

  • Chemical Mixing Tanks (Agricultural): Applied to tank access gates—IP66 resists chemical splashes, mechanical lock prevents accidental entry.



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