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440T-AKEYE10AA | ALLEN BRADLEY | Trapped Key Interlock Key440T-AKEYE10AA | ALLEN BRADLEY | Trapped Key Interlock Key440T-AKEYE10AA | ALLEN BRADLEY | Trapped Key Interlock Key
440T-AKEYE10AA | ALLEN BRADLEY | Trapped Key Interlock Key
440T-AKEYE10AA | ALLEN BRADLEY | Trapped Key Interlock Key
440T-AKEYE10AA | ALLEN BRADLEY | Trapped Key Interlock Key

440T-AKEYE10AA | ALLEN BRADLEY | Trapped Key Interlock Key


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PRODUCT SKU : 440T-AKEYE10AA

PRODUCT TYPE : Safety Interlock Switches

PRODUCT VENDOR : Allen-Bradley


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Configured for mechanical safety sequence control in industrial interlock systems, the ALLEN BRADLEY 440T-AKEYE10AA (440T-AKEYE10AA Safety Interlock Key) provides direct physical execution of machine guarding logic. This component serves as the dedicated actuation key for trapped key switch assemblies requiring the specific AA coding profile.

Hardware Specifications

Parameter Specification
Model 440T-AKEYE10AA
Brand ALLEN BRADLEY
Origin USA
Weight 0.80 kg
Dimensions Standard 440T key geometry
Operating Temp -20 deg C to 60 deg C
Power Consumption Passive Component
Coding Profile AA
Material Industrial Grade Stainless Steel

Fail-Safe State Execution and Safety Interlock Logic

The 440T-AKEYE10AA operates within a defined mechanical interlock sequence to maintain fail-safe state execution across guarding boundaries. In safety-critical applications, the AA coding ensures that only authorized keys can operate matching lock cylinders, preventing unauthorized access to hazardous areas. The integration of these keys into a sequence ensures that power isolation must be verified before the key is released to unlock the physical barrier, adhering to standard personnel safety requirements.

Frequently Asked Questions

Q: Is this key compatible with all 440T trapped key switches?

A: No, the 440T-AKEYE10AA is exclusively compatible with 440T switches featuring the matching AA lock code. Attempting to force the key into a non-matching cylinder will cause mechanical damage to the lock assembly.

Q: Are there maintenance requirements for the key and cylinder?

A: The key and the corresponding switch cylinder should be inspected for physical wear. Do not use chemical lubricants that could attract debris or cause internal sticking of the mechanical pins within the lock.

Field Installation Guidelines

  • Verification: Confirm the code "AA" stamped on the key matches the cylinder label on the interlock switch prior to installation in the field.
  • Mechanical Interface: Ensure the key enters the cylinder smoothly. If resistance is felt, verify that the locking mechanism is in the fully aligned position and that no debris is obstructing the keyway.
  • Storage and Security: As this is a mechanical safety component, maintain a strict key management policy. Lost or damaged keys must be replaced according to the safety site audit protocol to ensure that the machine guarding logic remains intact and tamper-resistant.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




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