Jumper strap kits are used on three phase manual and magnetic starters with melting alloy overload relays. It is used where a three phase starter is used to control a single phase motor. This kit contains two jumper straps and a wiring diagram showing how to wire a three phase starter to control a single phase motor. It also includes a single phase thermal unit selection table. Can be used with 8536SA, 8536SB, 8536SC, 8536SD starters and 2510M and 2510T manual starters.