Lawson MF63 63 Amp BS1361 House Service Fuse 57mm x 30.16mm Lawson Type MF fuse-links are for use in single or three-phase house service cut-outs or similar installations. The standardized BS 1361 breaking capacity of these fuse-links is 33kA at 0.3p.f. However to cater for increasing fault levels all Lawson house service cut-out fuse-links have been ASTA tested to 80kA at 0.15 p.f. Dimensions Overall length 57mm x 30.16mm Diameter
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