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  1. sw88

    Sizing MCCB & Generator for Fire Pump with a Soft Starter

    Hi guys, basically my team had designed a system where the pump and control panel would be served by a 150A isolator. However, now the electrical contractor is suggesting that a 250A breaker is required instead. Basically it is a 45kW (60HP) fire transfer pump, 3-phase, 415V, with a soft...

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