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Technical content
© 2009 Littelfuse • POWR-GARD® Protection Relay Catalog 29 POWR-GARD® Relay T esting Equipment rElAY TESTING EQuIPMENT T www.littelfuse.com/series/PGT-0400.html (PGt Series)
Description
The PGT -0400 is a ground-fault-relay test unit designed to test current pickup level, time-delay and coordination 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.
Applications
Used on substations, motor control centers (MCCs), central distribution panels, switchboards, and test benches to verify relay operation. It is recommended to test every relay annually as well as its current interrupting device. Features/Benefits The PGT -0400 tests the entire ground-fault circuit • including current transformers, wiring, ground-fault relay and the operation of the interrupting device Current range is 0.5 to 9.9 A• Duration range is 0.1 to 9.9 s or continuous output• Light weight and compact for portability• PGt-0400 Ser IeS Ground-Fault Relay Test Unit RESET INSULATED CTs TO BE TESTED (Phase conductor removal not necessary) CONTROL POWER GROUND-FAULT RELA Y TEST UNIT PGT-0400 POWR-GARD ® 11 12 PGT-0400 120 Vac Control Power
Ordering Information
Input Voltage 84–134 Vac, 50/60 Hz, 80 VA Dimensions H 219 mm (8.6”); W 99 mm (3.9”); D 143 mm (5.6”) Output Current Settings 0.5–9.9 A Output Duration Settings 0.1–9.9 s or continuous Output Voltage 5.0 Vac maximum Conformally Coated Standard Warranty 5 Year Mounting Surface, Panel