Q21540CT Circuit Breaker by Siemens SIEMENS CIRCUIT BREAKER 4 POLES 2 POLES=40 AMPS 2-1POLE=15 AMPS 120/240 VAC TYPE QT CAT# Q21540CT Reconditioned New Surplus Inventory Code: A Make an Offer Send to a Friend Type: QT Voltage: 120 V Poles: 4 Mount: Plug-in WHSE Code: CB25C3 Return To Circuit Breakers