Square D QO 20A Single-Pole Dual Function Circuit Breaker Pack options:Pack of 1 Includes both 1/4" and 3/8"

Includes both 1/4" and 3/8" arbor holes

SL 3/16 x 6 In

Reliance 400 Series

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Square D QO 20A Single-Pole Dual Function Circuit Breaker Pack options:Pack of 1 Includes both 1/4" and 3/8"QO 1 pole plug on neutral dual function circuit breaker. Space and labor saving device, engineered to meet prevailing NEC requirements. This device combines two critical technologies; Combination Arc Fault protection and Ground Fault protection (class A), in a single, easy to install device. The NEC now requires both combination arc fault and ground fault protection on all 1 Pole, 15 Amp and 20 Amp kitchen and laundry circuits. Prior to the release of