Primary Current Injection Test Equipment

For High Voltage Substations, Power Plants & Rail Networks

Units upto 21,000 amps and 8kW of ac or dc power

Designed to test fault conditions of relays and breakers that carry high current

Accuracy and speed with built-in Timer, Ammeter and Motorised Variac options

Fault protection with built-in thermal trip

Single and dual units provide a manageable and ergonomic solution

Railway Network Applications

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The LET range of Primary Injection Testers offers a selection of units from 400A to over 21,000A. Various power and tap outputs help select the right unit for the job. The LET range is built to 89/336/CEE and 93/68/CEE standard directives in robust enameled steel structure and wide temperature operating range.

The LET range of Primary Injection Testers offers high powered commissioning and testing of over current protections, circuit breakers, thermal and motor protections, measurement and protection transformers, interconnections, railway network applications etc.