North Bay

LITTELFUSE SE-100T Ground Fault Relay Tester

Manufacturer #:SE-100T


The SE-100T is a ground-fault-relay test unit designed to test the current pickup level of ground-fault protection. The tester injects current through the window of installed ground-fault current transformers to verify the operation of ground-fault monitors and relays. It is used on substations, motor control centers (MCCs), central distribution panels, switchboards and test benches to verify relay operation.


Brand Name Littelfuse Item Name Ground Fault Relay Tester
Type Manual Power Supply 120 VAC
Frequency Rating 50/60 Hz Dimensions 4.3 in W x 4 in D x 5.9 in H
Standards CSA Certified Application Used to Test Every Relay and Its Current Interrupting Device Annually