LET-400/RD/RDC

Primary Injection Test Set up to 2,500 A

1. Primary injection test.
2. Test of measurement and protection transformer.
3. In general, primary injection test including the complete loop, such as current transformer, cables protective relays, and circuit breaker.

1. Permanent current up to 400A, 1kVA in 4 ranges.
2. Maximum current output up to 2.5kA.
3. Thermal and short-circuit protection.

 LET-1000-RD

Primary Injection Test Set up to 6,500 A

1. Test of the I/t curve in primary current relays test.
2. In general, primary injection test including the complete loop, such as current transformer, cables protective relays, and circuit breaker.

1. Permanent current up to 1000A, 2kVA in 3 ranges.
2. Maximum current output up to 6.5kA.
3. Build in digital meter and timer.
4. Thermal and short-circuit protection.

 LET-4000-RD/RDM

Primary Injection Test Set up to 21,600

1. Direct and motor overload test.
2. In general, primary injection test including the complete loop, such as current transformer, cables protective relays, and circuit breaker.

1. Permanent current up to 4000A, 8kVA in 4 ranges.
2. Made up of two units.
3. Build in digital meter and timer.
4. Thermal and short-circuit protection.