Crouzet PBX Secure® Safety Switches are microswitches designed to withstand harsh environments over long periods of time. The positive opening mechanism is patented and tested to conform to DIN 41 636 form F (Dimensional), IEC 60947-5-1 (Industry), and EN 50124-1 (Railway) standards. PBX Secure is a change-over double break, electrically separated switch with an operating temperature of -50ºC to +85ºC. IP40 and IP67/IP65 versions are available. This series is ideal for railway applications such as master controllers, door locking systems, braking systems, emergency stop, track points, and on-board circuit breakers. The switches are also suitable for use in electrical equipment applications including circuit breakers, disconnect switches, and switchgears.