Microprocessor Based Overload Relay Siemens. 3rb (class 20), with overload, phase failure and phase unbalance protections.
3rb (class 20), with overload, phase failure and phase unbalance protections.
SIEMENS, 32115A, Class 20, 3RB MICROPROCESSOR BASED OVERLOAD RELAY
Microprocessor Based Overload Relay Siemens 3rb (class 20), with overload, phase failure and phase unbalance protections. 3rb (class 20), with overload, phase failure and phase unbalance protections.