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PT1 - PT2 | OUT OF PRODUCTION |
PT1
Earth fault definite time residual current relay with 1 operation threshold with toroidal transformer mounted in the same case of the relay; its employement is peculiar for motor feeders. The device is made with a high immunity level against electrical disturbances so that it is particularly suitable, along with small size and mounting system, for assembly into modular elements of MCC and PMCC.
PT2
Earth fault definite time residual current relay with the same characteristics of a.m. PT1 with the additional of a second change over contact for telecontrol systems.
Options:
- Repesting signal device RPT

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