GE 872256-QL21B170D
Product Name: GE Multilin QL21B170D Digital Line Protection Relay
Product Overview: The 872256-QL21B170D is a GE Multilin QL21B series digital line protection relay with a 170 V DC control power supply. It is designed for medium-voltage (6 kV–35 kV) distribution system feeder protection, providing comprehensive overcurrent, ground fault, and voltage protection functions.










