Siemens QF-U20A120V2P Molded Case Circuit Breaker

Siemens QF-U20A120V2P Molded Case Circuit Breaker is a two-pole protective device from the Siemens QF family, rated for 20 A at 120 V AC. This molded‑case breaker is intended to protect branch circuits inside low‑voltage electrical panels by interrupting current during overloads or short circuits. The 2P configuration means both hot legs on a 120 V circuit trip together, providing coordinated disconnect and safer shutdown for multi‑wire branch circuits and shared neutrals in appropriate panel setups. As part of the QF lineup, the unit is designed to fit the standard mounting footprint used by Siemens QF breakers, enabling straightforward replacement in compatible panels and enclosures. Typical applications include residential distribution panels for lighting and receptacle circuits, as well as small commercial panel boards where reliable 20 A protection on a 120 V circuit is required. For exact mounting method, terminal type, and the certified interrupt rating, refer to the Siemens QF catalog or the product datasheet to ensure compatibility with your panel model and installation requirements.