Door Release Override Key Switch

Key switch is an emergency switch button with a special mechanical key for emergency situations. . - Stainless steel shell, safe and durable. - Tested to 500,000 cycles. - Defend and NO duplicate the key, safe to use. - Three contact output, suitable for all kinds of the locks. - NO/NC/COM - Used for manual override of electronic door locks in access control systems, providing a method for authorized users to release the lock when needed.