121040R4 Fuse by S & C Electric S&C ELECTRIC SM-4 REFILL UNIT NOMINAL KV 7.2 AMPS 25E TCC. NO. 153-4 CAT# 121040R4 New Surplus Inventory Code: A Make an Offer Send to a Friend Current Rating: 25E Voltage: 7.2KVAC WHSE Code: F4A3 Return To Electrical Fuses