Quick view Add to Wishlist Square D QOUR340 40 Amp, 240 VAC, 3 Pole, DIN Rail Mounted, Flush Mount, Surface Mount Miniature Circuit Breaker 40 Amp, 240 VAC, 3 Pole, DIN Rail Mounted, Flush Mount, Surface Mount Miniature Circuit Breaker Thermal Magnetic Trip, 10 kA at 120/240 VAC Breaking Capacity, 14-2 (Aluminum), 14-2 (Copper) AWG, 74mm Deep x 103mm High x 19mm Wide MSRP: $386.30 Add to Cart The item has been added Compare