40A 2-Pole Circuit Breaker, Type QP Replacement, Plug-in Mount, 10kA Interrupt Rating, 120/240V Thermal Magnetic - Compatible with Siemens PL/ES Load Centers & Panels

Dependable Dual-Pole Circuit Protection Safeguard your home’s critical 120V and 240V circuits with this 40 Amp, 2-Pole breaker. The advanced thermal-magnetic trip mechanism provides precise protection: an instantaneous magnetic response (<0.1s) for short circuits and a delayed thermal trip for overloads, ensuring your wiring and appliances stay safe.

• Dependable Dual-Pole Circuit Protection Safeguard your home’s critical 120V and 240V circuits with this 40 Amp, 2-Pole breaker. The advanced thermal-magnetic trip mechanism provides precise protection: an instantaneous magnetic response (<0.1s) for short circuits and a delayed thermal trip for overloads, ensuring your wiring and appliances stay safe.
• Easy Plug-On Installation Designed for efficiency, this breaker features a tool-free plug-in design for a secure fit directly Compatible with Siemens PL and ES series load centers (always verify panel compatibility before purchase). Its compact 1-inch per pole footprint maximizes space in crowded panels. The clear “Trip/Reset” window indicator allows for instant fault diagnosis, saving you troubleshooting time. It accepts #14-4 AWG copper or aluminum wire, meeting standard US wiring requirements.
• Commercial-Grade Durability Built to last, this breaker undergoes rigorous testing with 20,000+ mechanical operations—three times the industry average. It reliably operates in extreme temperatures from -40°F to 158°F, making it suitable for both indoor and outdoor applications. Silver-nickel contacts minimize arcing and voltage drop, while an anti-vibration lock prevents nuisance tripping, ensuring consistent performance.
• Versatile Applications for Home & Business This replacement breaker is the ideal solution for a wide range of applications: Residential: Protect large appliances (ranges, ovens), HVAC systems, electric vehicle chargers, and garage subpanels. Commercial: Perfect for retail lighting, office server room equipment, and workshop machinery. Outdoor Use: Suitable for pool pumps, spas, generators, and transfer switches. It also serves as a reliable direct replacement for older QP-style breakers in EQ, EQL, and ES load centers.
• Risk-Free Purchase & Warranty We stand behind the quality of our product. Your purchase is backed by a 30-day, no-questions-asked return policy and a comprehensive 3-year warranty against defects in materials and workmanship, giving you complete peace of mind.