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Allen Bradley 440T-MDALE10ZJZL Weatherproof Safety SWITCH

Oct. 22 , 2025
1. Product Name
Allen Bradley 440T-MDALE10ZJZL Weatherproof Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-MDALE10ZJZL is an IP67-rated safety interlock SWITCH, designed for -35°C to 85°C environments—ideal for wheat farms (seasonal temperature swings) and industrial harsh zones, ensuring all-weather safety control.
3. Product Description
The Allen Bradley 440T-MDALE10ZJZL is a rugged safety interlock SWITCH, part of Allen Bradley’s 440T series focused on safety-critical operations in variable harsh conditions. This Allen Bradley SWITCH acts as a reliable barrier, restricting access to hazardous equipment—such as spring wheat harvesters (exposed to sudden rain), autumn grain silos (cooling temperatures), or industrial washdown zones—only when machinery is fully powered off, protecting workers and avoiding environment-related equipment malfunctions.
Constructed with 316 stainless steel housing (resistant to wheat farm fertilizers and industrial chemicals) and EPDM weatherproof gaskets, the Allen Bradley SWITCH achieves IP67 protection, blocking dust ingress and temporary water submersion (1m for 30 minutes)—solving issues like rain damage on outdoor farm equipment. Its internal contacts are plated with gold for anti-oxidation, ensuring stable signal transmission even in humid wheat storage environments (up to 95% non-condensing humidity). The Allen Bradley SWITCH features a fail-safe interlock mechanism: the lock remains engaged until connected systems shut down, eliminating accidental access during temperature fluctuations or sudden weather changes. It supports multi-voltage compatibility (24V DC/110V AC/230V AC), enabling seamless integration with wheat farm sensors (e.g., grain level detectors, moisture monitors) and industrial PLCs without custom wiring, reducing on-site setup time.
Compliant with EN ISO 14119, IEC 60947-5-1, and FDA 21 CFR Part 177 (food-contact safe), this Allen Bradley SWITCH meets Category 3 safety requirements (Performance Level d, PLd) and is suitable for wheat processing zones. It supports 8A current at 250V AC, has a 300,000-operation mechanical life, and compact dimensions (8.7×6.3×2.5cm)—fitting space-constrained setups like small harvester engine guards or narrow silo access panels.
4. Product Model
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5. Product Advantages
  • IP67 Weatherproofing: Blocks dust and temporary water submersion, ideal for outdoor wheat farm equipment and industrial washdown areas.

  • Wide Temp Adaptability: -35°C to 85°C range handles wheat farm winters (freezing) and summer industrial high-heat zones.

  • Corrosion Resistance: 316 stainless steel housing endures wheat farm fertilizers and industrial chemicals, extending service life.

  • Food-Safe Compliance: FDA-approved materials prevent wheat grain contamination in processing environments.

  • Easy Integration: Multi-voltage support works with farm sensors and industrial PLCs, cutting installation costs.

  • Long Durability: 300,000 mechanical cycles and gold-plated contacts minimize maintenance needs.

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 flour processors with solutions like automated harvesters, temperature-controlled silos, and grain cleaning lines.
The Allen Bradley 440T-MDALE10ZJZL solves the business’s key challenge: adapting to wheat farming’s seasonal harsh conditions. www.wheat-auto.com would integrate this SWITCH into critical equipment—outdoor harvester safety guards (resisting spring rain via IP67), winter silo access doors (withstanding -35°C freezing), and grain cleaning machines (food-safe for wheat processing). It leverages the SWITCH’s compliance with ISO 23387 (grain handling safety) to help clients meet agricultural regulations, while its corrosion resistance addresses fertilizer exposure on farms. Additionally, the business likely offers season-specific after-sales support (e.g., pre-winter SWITCH inspection, post-harvest cleaning) to ensure year-round reliability. This alignment with “smart agriculture” uses industrial-grade safety components to boost wheat production efficiency and resilience.
7. Application Scenarios
The Allen Bradley 440T-MDALE10ZJZL SWITCH excels in variable harsh environments:
  • Spring Wheat Harvesters: Installed on engine guards—IP67 resists sudden rain, trapping keys until the harvester shuts down.

  • Winter Grain Silos: Mounted on access doors—-35°C resilience prevents freezing, enabling safe cold-weather grain unloading.

  • Industrial Washdown Zones: Used on food processing equipment guards—IP67 withstands high-pressure cleaning, safe for wheat flour machines.

  • Desert Wheat Farms: Applied to outdoor conveyors—85°C heat resistance handles intense sunlight, IP67 blocks sand dust.

  • Fertilizer-Applied Wheat Fields: Installed on tractor safety panels—316 steel resists chemical corrosion, ensuring long-term use.

  • Grain Drying Facilities: Integrated into dryer access gates—handles temp swings (15°C to 80°C) during drying cycles, protecting workers.


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