Murray MD breakers take up four 1-Inch spaces and are intended for use in Murray or Crouse Hinds load centers
Circuit breaker accommodates copper/aluminum wire of size 8 - 1/0 AWG
three pole breaker
240Poles:2Type:Miniature
2P GFCI Bolt On Circuit Breaker 20A 120/240VAC Murray MD breakers take up'Bolt On Circuit Breaker, 20 Amps, Number of Poles 2, Circuit Breaker Type Ground Fault Circuit Interrupter, AC Voltage Rating 120 240VAC, DC Voltage Rating Not Rated, For Use With Square D NQOD Panelboards, Series QOB, Terminal Connection Screw Clamp, Max. AIR Rating 10kA, Frame Size 100A QO, Min. Wire Size 14 AWG, Max. Wire Size 8 AWG, Length 3. 00 In., Width 1. 50 In., Depth 2. 91 In., Standards UL Listed, CSA Certified'