ALLEN BRADLEY 440T-AKEYE10AC Trapped Key Interlock Key

Configured for mechanical safety sequence control in industrial interlock systems, the ALLEN BRADLEY 440T-AKEYE10AC (440T-AKEYE10AC 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 AC coding profile.

Hardware Specifications

Fail-Safe State Execution and Safety Interlock Logic

The 440T-AKEYE10AC operates within a defined mechanical interlock sequence to maintain fail-safe state execution across guarding boundaries. In safety-critical applications, the AC 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-AKEYE10AC is exclusively compatible with 440T switches featuring the matching AC 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 "AC" 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.