Digital Voltage Source

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The PTE-50-CET is a programmable test system with three outputs to test both single and three phase protective relays.

The PTE-50-CET is ideal for testing three phase motor relays, testing of three and single phase over current and differential protection relays and can also be used as a complete single phase unit in voltage, current and phase as outputs are reversible.


- Built in timer, 1ms resolution
- Programmable
- Reversible outputs
- Harmonic selection independant by phase, up to the 7th harmonic
- Variable three phase current up to 3 x 50A or voltage up to 3 x 150v
- Output power 3 x 100VA