MCGG 01 Series Overcurrent relay for phase and earth faults
MCGG - Overcurrent relay
Type MCGG 22, 42, 52, 53, 62, 63 & 82 - Overcurrent Relay for Phase and Earth Faults
Type MCGG - Service Manual - Overcurrent Relays for Phase and Earth Faults
Type MCGG - Overcurrent Relays for Phase and Earth Faults - Service Manual