Evolution of Antipumping relay. SF, LF, Evolis 24kV, EvolisHP. Anti pumping Relay. Description: The anti-pumping relay is built into the mechanism of circuit breakers to ensure that the opening order has priority.
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Evolution of Antipumping relay
SF, LF, Evolis 24kV, EvolisHP
The anti-pumping relay is built into the mechanism of circuit breakers to ensure that the opening order has priority.
This function prohibits re-closing of CB in case of fault tripping. In other words it prevents the possibility of maintaining a permanent closing order inorder to avoid « pumping » of the CB
Please see attached file for the updated diagrams.
Configured full product: