Chq classified Replacement breaker for square D "qo" series . 3-Position trip . Hacr rated 15-60 amps . Swd rated 15 and 20 amps, double-pole . Single phase, 3-wire, 10,000 a.I.C. Maximum . Terminals are al/cu and suitable for use with 60 degreec or 75 degreec ampacity wire.