Accessories Relay Testers SE-400 SERIES

2019-05-25
The SE-400 is a ground-fault-relay test unit designed to test

current pickup level, time delay and coordination of groundfault

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.

The SE-400 tests the entire ground-fault circuit including

current transformers, wiring, ground-fault relay and the

operation of the interrupting device. It is recommended to

test every relay and its current interrupting device annually

Littelfuse

SE-400

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Part#

Ground-Fault-Relay Test Unit

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Datasheet

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Please see the document for details

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English Chinese Chinese and English Japanese

2016/11/26

Rev: 4-A-081515

219 KB

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