Complete Electronics Circuit Kit Suitable For 150 Ampere. Automatic Change Over Panel For Cl S Of System And Services Make - Power Control , Kit Consists Of Mother Board Pcb 01 No., Transformer I (9-0 -9) 1 No., Transformer Ii (12-0-12)- 05 Nos, High Low Pcb Card -5 Nos, Buzzer Pcb Card- 01 No. Buzzer -1 No ., Pcb Card Relay- 01 No. [ Warranty Period: 30 Months After The Date Of Delivery ] ]