ABB SPAD 330 C3 Differential Voltage Relay
ABB SPAD 330 C3 Differential Voltage Relay – Technical Overview The ABB SPAD 330 C3 is a differential voltage relay designed to provide reliable protection for electrical power systems. This relay monitors voltage differences across equipment such as transformers, generators, and busbars. By detecting any abnormal voltage changes or faults, the SPAD 330 C3 helps…