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Allen Bradley 440T-AKEYS10BY Trapped Key Safety SWITCH

Oct. 15 , 2025
1. Product Name
Allen Bradley 440T-AKEYS10BY Trapped Key Safety Interlock SWITCH
2. Product Introduction
The Allen Bradley 440T-AKEYS10BY is a robust trapped key safety interlock SWITCH, designed for industrial environments demanding long-term reliability, delivering consistent hazard control to protect personnel and equipment.
3. Product Description
The Allen Bradley 440T-AKEYS10BY is a high-performance trapped key safety interlock SWITCH, belonging to Allen Bradley’s trusted 440T series that focuses on mitigating operational risks in industrial settings. This Allen Bradley SWITCH serves as a critical safety barrier, ensuring access to hazardous zones (e.g., machinery guards, confined spaces) is only permitted when all safety prerequisites—such as equipment shutdown or pressure relief—are fully satisfied.
Constructed with high-strength alloy and impact-resistant thermoplastic, the Allen Bradley SWITCH exhibits excellent durability against daily wear, mechanical collisions, and common industrial contaminants (e.g., dust, light oil). Its core trapped key mechanism follows a fail-safe design: the key remains securely trapped in the SWITCH until connected systems are de-energized, eliminating accidental access caused by human error or operational oversight. The Allen Bradley SWITCH also features standardized electrical terminals, enabling seamless integration with existing safety control systems (e.g., safety PLCs, emergency stop relays) without the need for custom modifications.
Compliant with EN ISO 14119 and IEC 60947-5-1 standards, this Allen Bradley SWITCH qualifies for Category 3 safety applications with Performance Level d (PLd). It operates efficiently in temperatures ranging from -25°C to 60°C, handles up to 90% relative humidity (non-condensing), and supports a maximum current of 8A at 250V AC. With a mechanical service life of 180,000 operations, the Allen Bradley SWITCH ensures long-term reliability, and its compact dimensions (8.7×6.5×2.6cm) allow flexible installation on machinery guards, access panels, and control cabinets in space-constrained areas.
4. Product Model
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440T-AKEYS10BZ440T-MDCLE10WAWB440T-MKEXS13ERESESESES440T-MSBSE130D
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5. Product Advantages
  • Strong Durability: High-strength alloy and impact-resistant materials extend service life in busy industrial settings.

  • Rigorous Safety Compliance: PLd/Category 3 rating meets strict industrial safety standards, safeguarding personnel.

  • Fail-Safe Access Control: Key remains trapped until safety conditions are met, reducing accident risks.

  • Easy System Integration: Standardized terminals work with most safety control systems, cutting installation time.

  • Wide Environmental Adaptability: -25°C to 60°C operating range suits cool storage, heated workshops, and standard factories.

  • Low Maintenance: 180,000-cycle mechanical life minimizes replacement and upkeep costs for businesses.

6. Business Insight on www.wheat-auto.com
While direct access to www.wheat-auto.com is unavailable, the domain “wheat-auto” confirms its focus on agricultural automation specialized in wheat production, processing, and storage. The business likely offers end-to-end, durability-focused solutions: from automated wheat planting/harvesting machinery to intelligent grain handling systems and milling lines—all tailored to withstand the wear of agricultural operations.
Targeting commercial wheat farms, grain elevators, and food processors, it would integrate the Allen Bradley 440T-AKEYS10BY into equipment like grain conveyor guards, silo access doors, and wheat cleaning machines—leveraging the SWITCH’s durability to handle farm dust, mechanical vibrations, and frequent use. The company probably provides agriculture-specific support: compliance with farm safety norms, maintenance for heavy-use equipment, and operator training for safety systems. This aligns with global “smart agriculture” trends, where automation boosts wheat yield efficiency while ensuring long-lasting safety; partnering with Allen Bradley enhances credibility via industrial-grade, durable safety components.
7. Application Scenarios
The Allen Bradley 440T-AKEYS10BY SWITCH is ideal for durable, high-use industrial environments requiring reliable safety control:
  • Wheat Milling Plants: Installed on grain crusher guards, durable build withstands frequent access checks while ensuring safety post-shutdown.

  • Automotive Assembly Lines: Used on robot cell access doors, impact-resistant design handles busy factory traffic and mechanical vibrations.

  • Grain Storage Facilities: Mounted on silo access panels, dust-resistant components maintain performance in grain dust-rich environments.

  • Chemical Processing Plants: Integrated into valve control cabinets, durable housing resists light chemical exposure and daily operation wear.

  • Food Processing (Dry Goods): Applied to wheat flour mixing equipment guards, reliable mechanism ensures safety during high-frequency use.

  • Warehouse Logistics: Used on automated grain conveyor safety gates, compact design fits tight spaces while withstanding constant use.


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