Siemens Q240 - 40A, Circuit Breaker

Experience dependable protection with the Siemens Q240 40A Circuit Breaker. Engineered for reliability in demanding environments, this device is designed to sit in panelboards, switchboards, control panels, and OEM equipment, delivering solid overcurrent protection where it matters most—from distribution panels to motor control centers.

Strong, focused protection

The 40A current rating provides a precise safety threshold for feeders and branch circuits, helping prevent wiring insulation damage and equipment faults due to overloads or short circuits.

• Current rating: 40A
• Breaker type: Circuit Breaker
• Where it fits: Panelboards, switchboards, control panels, and OEM equipment
• Ideal for: Industrial, commercial, and OEM applications requiring dependable overcurrent protection and safe operation in distribution panels and motor control centers

Practical use scenarios

• Upgrading an electrical distribution panel to improve protection for critical feeders.
• Integrating into customer equipment enclosures or control cabinets to ensure reliable fault isolation and quick interruption of fault currents.
• Specifying a dedicated 40A protection device for motor control center feeders or process line circuits.

Why this Siemens breaker stands out

Rather than a generic protective device, the Q240 is purpose-built for consistent performance in demanding environments. Its 40A rating aligns with typical loads in many commercial and light industrial circuits, while the compact form-factor simplifies panel layout. For OEMs and facilities that rely on predictable protection, this breaker reduces nuisance trips and supports safe shutdowns when faults occur.

Installation and compatibility notes

Use in accordance with electrical codes and panel specifications. Suitable for integration in panelboards, switchboards, and OEM equipment where a 40A protective device is required to maintain system integrity and safety.

Invest in Siemens protection you can trust. Add the Q240 40A Circuit Breaker to your distribution panels or motor control centers and experience reliable, straightforward overcurrent protection designed for industrial and commercial environments.