Single function protection for applications including overcurrent, voltage and frequency, differential, directional, timing and distance.

Category image
Single Function
Has legacy products
On

Manufacturing for this product has been discontinued. As an alternative, please refer to the 3 Series relays.

SLJ Static Synchronism Check Relay

Manufacturing for this product has been discontinued. As an alternative, please refer to the 3 Series relays.

Manufacturing for SGC has been discontinued.

SGC Negative Sequence Overcurrent - Legacy

Manufacturing for SGC has been discontinued.

Manufacturing for this product has been discontinued. As an alternative, please refer to the 3 Series relays.

SFF Static Digital Frequency Relay - Legacy

Manufacturing for this product has been discontinued. As an alternative, please refer to the 3 Series relays.

The type SCA11A relay consists of two telephone type relay units with their associated static timing and regulating circuits all mounted in a size S-1 drawout case. The type SCA11A relay is designed to provide the automatic check back of a carrier current channel from a remote unattended station.

SCA Static Directional Comparison Blocking Auxiliary Relay

The type SCA11A relay consists of two telephone type relay units with their associated static timing and regulating circuits all mounted in a size S-1 drawout case. The type SCA11A relay is designed to provide the automatic check back of a carrier current channel from a remote unattended station.

Manufacturing for this product has been discontinued. As an alternative, please refer to the 3 Series relays.

SBC Static Breaker Backup Relays - Legacy

Manufacturing for this product has been discontinued. As an alternative, please refer to the 3 Series relays.

Manufacturing for this product has been discontinued. As an alternative, please refer to the 3 Series relays.

PJV Instantaneous Voltage Relay - Legacy

Manufacturing for this product has been discontinued. As an alternative, please refer to the 3 Series relays.