kW Calculator

LV Motor Fuse Chart

The fuse chart below shows Typical Full Load Current and Fuses for 3-phase AC 4-pole motors based on 8 starts per hour, run up time = 10s, starting current 6 x FLC. Move the panel along to the kW or HP required and read off the fuse size for the chosen voltage.

For type 2 co-ordination between components refer to actual manufacturers data.

Click either side of the window to move the slider.

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Fuse guidelines provided by Cooper Bussman (UK) Ltd and ABB Controls Ltd.

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