Siemens Q240 40-Amp Double Pole QP Circuit Breaker – 240V

Overview

Siemens Q240 40-Amp Double Pole QP Circuit Breaker protects a home’s electrical system from common fault conditions. Rated for 240V, this thermal-magnetic breaker responds to surges and overloads with a quick interruption, helping to guard wiring and devices. The plug-in design integrates smoothly with compatible Siemens panels, making upgrades and maintenance straightforward.

Key benefits

• 40-amp double-pole protection for 240V circuits
• 10,000 AIC interrupting rating for solid fault containment
• Easy plug-in connections with the insta-wire feature for faster installs
• Compatibility with Siemens PL and ES load centers
• Designed for overload and short-circuit protection of wiring and devices
• Suitable for use in Siemens EQ, Ultimate, ITE, and Gould panels

Compatibility and installation

These plug-in breakers are intended for Siemens EQ, Ultimate, ITE, and Gould load centers or meter combinations. To preserve the warranty, use Siemens breakers in a Siemens panel. Siemens does not authorize or sell used breakers.

Tech specs

• Type: QP
• Two-pole, 40 A
• Voltage rating: 240V
• AIC interrupting rating: 10,000 A
• Plug-in connection for Siemens enclosures

Real-world use cases

In a typical home panel, this breaker can protect circuits serving lighting, kitchen appliances, and outlets. The 240V rating makes it suitable for main subpanels in multi-room setups where reliable protection matters, such as during renovations or panel upgrades.

Notes on safety and best practices

• Warranty considerations: avoid non-Siemens breakers to protect coverage.
• Ensure correct panel compatibility and professional installation when required.