Battery tripping units

BTU's Custom build and specked according to the switchgear it needs to switch.

110 V or 30 V BTU's for substations and offshore vessels. Consists of a constant voltage-current limited charge together with a sealed lead acid/ nicad or lithium battery choice. The standard charger is a single phase microprocessor controlled thyristor type and comes with mains failed t/ charge failed / battery failed / battery voltage high and low // earth fault positive and negative alarms and includes auto boosting of the battery every 28 days.