Model # BQLT15220 Space Saver Quad, Two 20 Amp Single Pole & One 15 Amp Double Pole Bolt-On 120/240V Bolt-On Circuit Breaker by Eaton Cutler-Hammer. Bolt-On duplex/quad space saving replacement breaker for Commander QL/QM and Eaton Cutler-Hammer QM/QL panels. Two spaces required, 120/240 volts AC, 10,000 amperes.. BQLT15 - Commander Twin 15 Amp Bolt-On Circuit Breaker. $59.99 Quick shop Add to cart Q1515 - Siemens Tandem 15 Amp Single Pole Circuit Breaker Siemens / ITE $17.99 Model # Q1515 Space Saver Twin, Two 15 Amp Single Pole 120/240V Circuit Breaker by Siemens. For Use In Siemens Type 'EQL, SEQ, EQG L View full details $17.99 Quick shop Add to cart DNPL3020 - Eaton Cutler-Hammer Tandem 30/20 Amp . Eaton Commander 2 Pole Bolt-On Circuit Breaker for Commander QLT/QM Panel, 20 Amp, Requires One 1-Inch Space, Space Saving Breaker, 120VAC, Wire Range# 14 - 4. Find great deals on eBay for space saver breaker. Shop with confidence.. Bolt-On replacement breaker for Commander QL/QM and Cutler-Hammer QM/QL Panels. One space required per pole, 120/240 volts AC, 10,000 amperes. One space required per pole, 120/240 volts AC, 10,000 amperes.. A tandem circuit breaker is a double circuit breaker that takes up the space of a single circuit breaker on a panelboard. You'll also hear them called duplex, slimline, twin, half-height, half .