It is compatible with aluminum #12 - 2 or copper wire #14 - 4
GROUND FAULT CIRCUIT BREAKER
Siemens 15 amps Arc Fault/Single Pole 1 Circuit Breaker
R ratings: 200kA AC/100kA DC
The breakers are available as thermal magnetic trip in types ED2
Plug in Circuit Breaker 2P 90 Amp 120/240VAC/48VDC It is compatible with aluminum' Plug In Circuit Breaker, Amps 90, Number of Poles 2, Circuit Breaker Type Standard, AC Voltage Rating 120 240VAC, DC Voltage Rating 48VDC, For Use With QO Load Centers and NQOD Panelboards, Series QO, Terminal Connection Box Lug, Min. Wire Size 4 AWG, Max. Wire Size 2 0 AWG, Length 3. 50 In., Width 1. 50 In., Depth 2. 91 In., Standards UL Listed, CSA Certified, Max. AIR Rating 10kA '