The CP-31 series call points, with double pole, change contacts from N/C to N/O. The main function is to override the electrical locking/release devices in case of emergency. A key is used to replace glass

Specification:

87x93x55 mm (Included Cover)
Dimensions: 87x87x55 mm
Contact Resistance: 100mΩ
Switch rated: 5A 125/250 VAC