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  1. sw88

    Sizing MCCB & Generator for Fire Pump with a Soft Starter

    I do have access to SS 575 regarding the fire pump but my problem is electrical. I just want to know if the my current 150A breaker is sufficient for the fire pump. Currently, I've requested the starting current graph of the pump and the breaker's characteristic curve to see if it will trip. I...
  2. sw88

    Sizing MCCB & Generator for Fire Pump with a Soft Starter

    It's Singapore fire code.
  3. 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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