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Frequently Asked Questions

What are mortise electric strikes used for?

Mortise electric strikes work with mortise locksets (like Schlage L series), allowing electronic access control while maintaining mechanical lock and deadbolt operation.

Do mortise strikes release the deadbolt?

Most mortise electric strikes only release the latchbolt, not the deadbolt. The deadbolt must be retracted manually or with electrified mortise locks available through National Lock Supply.

Can mortise strikes be used on fire doors?

Yes, when using fire-rated models. National Lock Supply stocks mortise electric strikes tested and labeled for fire door assemblies meeting life safety requirements.

What is the difference between fail-safe and fail-secure?

Fail-safe strikes unlock during power loss (for life safety), while fail-secure strikes remain locked without power (for high-security). National Lock Supply can advise proper application.

Are mortise strikes compatible with all mortise locks?

Most mortise strikes work with standard ANSI mortise locks. National Lock Supply can verify compatibility with your specific mortise lockset and frame preparation.

What voltage do mortise electric strikes require?

National Lock Supply offers mortise strikes in 12VDC, 24VDC, and dual-voltage options compatible with standard access control power supplies.