The RS_PH 1 stud front/back connected LV fuse fittings (black) are IP20 finger-safe fuse holders. They are designed to protect utility and industrial installations. These fuse fittings have an anti-vibration feature that ensures perfect carrier contact alignment and superior electrical contact. They meet the standards of BS88-2, AS60269, and IEC 269-2-1. The rated current is 63 A and the rated voltage is 690 VAC.