BCH Electric Limited supplies Alternating Current Solenoid Operated Brakes. BCH Electric Limited is an ISO 9001:2000 certified company. BCH Electric Limited manufactures low voltage electrical and electronic controls. Alternating Current Solenoid Operated Brakes are designed for long life, easy installation and minimum maintenance. Alternating Current Solenoid Operated Brakes are electrically released and spring applied providing `Fail-Safe` operation.