The SIEMENS 7SR2302-1MA77-0CA0 is a high impedance protection relay — a class of device used in differential protection schemes for busbars, transformers, and reactors where through-fault stability and fast tripping on internal faults are required. It sits in the Relays & Sockets subcategory under Circuit Breakers, Fuses & Protection, meaning it's a panel-mount protection element, not a general-purpose switching relay.
SIEMENS 7SR2302-1MA77-0CA0 High Impedance Protection Relay
MPN7SR2302-1MA77-0CA0
SIEMENS, 7SR2302-1MA77-0CA0, High Impedance Protection Relay, 0.91 kgs, current lifecycle stage.
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.91 kgs |
Product details
MPN
7SR2302-1MA77-0CA0