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Allen Bradley 440T-MDALE10WEWF Weatherproof Safety SWITCH

Oct. 22 , 2025
1. Product Name
Allen Bradley 440T-MDALE10WEWF Weatherproof Industrial Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-MDALE10WEWF is an IP67-rated, weatherproof safety interlock SWITCH, engineered for outdoor wheat agri-food (e.g., open-field silos, rain-exposed harvesters) and industrial wet environments, ensuring all-weather safety and durability.
3. Product Description
The Allen Bradley 440T-MDALE10WEWF is a high-performance safety interlock SWITCH, part of Allen Bradley’s 440T series designed for safety-critical operations in weather-challenged wheat agri-food and industrial settings. This Allen Bradley SWITCH acts as a robust safeguard, restricting access to hazardous equipment—such as outdoor wheat harvesters, rain-exposed silo conveyors, or industrial wet-process machines—only when machinery is fully powered off, protecting workers and preventing operational disruptions from weather-related damage.
Constructed with 316 stainless steel housing (resistant to rain, salt mist, and agricultural chemicals) and weather-sealed FDA-approved gaskets, the Allen Bradley SWITCH achieves IP67 protection, blocking dust ingress, temporary water submersion (up to 1m for 30 minutes), and withstanding heavy rain/high humidity—critical for open-field wheat farms or outdoor industrial yards. Its internal components (e.g., gold-plated electrical contacts) are treated with anti-oxidation coatings, ensuring stable signal transmission even in prolonged wet conditions, a key upgrade over standard non-weatherproof models. The Allen Bradley SWITCH features a fail-safe interlock mechanism that stays engaged until connected systems shut down completely, eliminating risks of accidental access during rain or stormy weather. It supports multi-voltage compatibility (24V DC/110V AC/230V AC), enabling seamless integration with wheat farm sensors (e.g., rain detectors, grain level monitors) and industrial PLCs without custom wiring, reducing on-site installation time.
Compliant with EN ISO 14119, IEC 60947-5-1, and FDA 21 CFR Part 177 standards, this Allen Bradley SWITCH meets Category 3 safety requirements (Performance Level d, PLd) and food contact regulations. It operates reliably in temperatures from -25°C to 80°C, handles 95% non-condensing humidity, and supports 8A current at 250V AC. With a 300,000-operation mechanical life and compact dimensions (8.7×6.4×2.5cm), the Allen Bradley SWITCH fits space-constrained setups—from outdoor harvester engine guards to wet-process industrial machine panels—while balancing weather resistance, durability, and food safety compliance.
4. Product Model
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5. Product Advantages
  • IP67 All-Weather Protection: Blocks dust, temporary submersion, and heavy rain, ideal for outdoor wheat farms and wet industrial zones.

  • Corrosion-Resistant Build: 316 stainless steel housing resists agricultural chemicals and salt mist, extending service life in harsh agri-environments.

  • Food-Grade Compliance: FDA-approved gaskets prevent wheat grain contamination, meeting agri-food safety standards.

  • Wide Temperature Adaptability: -25°C to 80°C range fits cold wheat storage and hot summer open-field operations.

  • Flexible Integration: Multi-voltage support works with farm sensors/industrial PLCs, cutting setup costs and complexity.

  • Long-Durable Performance: 300,000 mechanical cycles and anti-oxidation contacts minimize maintenance and replacement expenses.

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 (especially open-field, rain-prone operations), grain elevators, and flour processing plants with solutions like automated harvesters, outdoor silo control systems, and wet-grain cleaning lines.
The Allen Bradley 440T-MDALE10WEWF directly addresses the business’s key pain points: its IP67 weatherproofing solves rain-related safety switch failures on outdoor wheat harvesters, while 316 stainless steel resists corrosion from agricultural fertilizers used in open fields. www.wheat-auto.com would integrate this Allen Bradley SWITCH into high-risk outdoor equipment—open-field silo conveyor guards, rain-exposed harvester fuel tanks, and wet-grain washer access doors—to help clients meet ISO 23387 (grain handling safety) and local agri-food regulations. Additionally, the business likely offers farm-specific after-sales support (e.g., weather-seal inspection, contact maintenance) to ensure the SWITCH performs reliably in seasonal rain or extreme temperatures. This alignment leverages industrial-grade weatherproof safety components to boost wheat production efficiency, fitting the “smart agriculture” trend for resilient, low-maintenance outdoor automation.
7. Application Scenarios
The Allen Bradley 440T-MDALE10WEWF SWITCH excels in weather-challenged, food-safe, and wet environments:
  • Open-Field Wheat Harvesters: Installed on harvester engine guards—IP67 resists heavy rain, trapping keys until the engine stops to prevent operator injury.

  • Rain-Exposed Grain Silos: Mounted on silo conveyor access panels—weatherproof design withstands prolonged rain, ensuring safe access during grain unloading.

  • Wet-Grain Cleaning Lines: Integrated into washer enclosures—IP67 blocks water splashes, FDA gaskets prevent wheat grain contamination from cleaning chemicals.

  • Industrial Wet-Process Workshops: Used on chemical mixing tank guards—corrosion-resistant housing handles water/chemical exposure, ensuring safety during maintenance.

  • Cold-Storage Wheat Yards (Winter Rain): Applied to storage door guards—-25°C resilience resists freezing rain, maintaining safety control in cold, wet winters.

  • Fertilizer-Treated Wheat Farms: Installed on tractor equipment guards—316 stainless steel resists fertilizer corrosion, IP67 blocks dust and rain.


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