What is the purpose of the anti-pump circuit in the SB Systems Breaker motor operator?
The anti-pumping circuit in the Electronic Charging Motor Controller (ECMC) of the Siemens Electric Motor Operator is to prevent a maintained close signal from repeated attempts to re-close the breaker after a fault. Without the anti-pump feature, as soon as the breaker tripped the motor operator would re-close the breaker, the breaker would immediately trip again and the cycle of tripping and re-closing would continue until the breaker was destroyed.
Related Questions
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