The Siemens Q120DFNP is a 1-pole, 20-amp Dual Function (CAFCI/GFCI) Plug-On Neutral circuit breaker that delivers combined Combination Arc Fault and Class A 5 mA Ground Fault protection in a single device, satisfying NEC requirements for residential branch circuits. Rated at 10,000 AIC and compatible with Siemens Plug-On Neutral load centers (SN, PN, PWN, SWN series), it accepts #14–#8 AWG copper and #12–#8 AWG aluminum conductors. The plug-on neutral connection eliminates a separate pigtail wire, built-in LED indicators identify fault type at a glance, and a continuous self-test function trips the breaker if internal malfunction is detected. Also available in a 15-amp version (Q115DFNP).
Not Available in California: Q115DFNP, Q120DFNP
Features
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- Brand: Siemens
- Category: Circuit Breakers
- Product family: Siemens 1-Pole Dual Function Plug-On Neutral Circuit Breaker
- Available models: Q115DFNP, Q120DFNP
- Amperage: Varies by model
- Number of Poles: 1
- Protection Type: Dual Function CAFCI/GFCI