Trupower 20mm slow blow fuse kit trupower 130305 p buy slow blow fuse kit 20mm ndash a kit of 77 x 20mm slow blow fuses p p incorporating the following features slow blow characteristic 250vac voltage rating 20mm fuse contents 2 50ma 5 100ma 10 250ma 10 500ma 20 1a 10 1 6a 15 2a 5 3 15a 10 5a 10 6 3a each type individually packed in a resealable polythene bag selection has been carefully selected by rating rvfm p trupower slow blow fuse kit 20mm