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Protective device for pump motors on a fire sprinkler systems

Philip Baker

Dear all, I have just joined the forum, as I have a circular question.

Do fuse switches/switch fuses in the LV SWB need to be used as the supply for the pump motors on a fire sprinkler systems, or can these devices be changed for MCCB's?

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    BS EN 12845 The fuses in the pump controller shall be of high rupturing capacity, capable of carrying the start current of the sprinkler pump for a period of no less than 20 s. The sprinkler pump controller shall only supply the pump itself

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    BS EN 12845 The fuses in the pump controller shall be of high rupturing capacity, capable of carrying the start current of the sprinkler pump for a period of no less than 20 s. The sprinkler pump controller shall only supply the pump itself

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