Siemens QF240 - 40A, 2-Pole, Circuit Breaker

Introducing the Siemens QF240 40A, 2-Pole Circuit Breaker—engineered for dependable overcurrent protection in demanding electrical systems. This compact 2-pole device ensures simultaneous tripping on both hot lines, safeguarding wiring, motors, and control circuits in a single, reliable package.

Key advantages you can rely on

• Precise 40-amp protection: Safeguards feeders and branch circuits from overloads while allowing normal operation of connected equipment.
• Two-pole configuration: Trips both lines at once for enhanced safety and straightforward coordination in panelboards, switchboards, and control panels.
• Versatile deployment: Ideal for industrial, commercial, and OEM environments where dependable protection is essential in distribution panels and motor control centers.
• Rugged Siemens engineering: Built to withstand demanding applications and deliver consistent performance in tough electrical environments.

Practical use cases

• Motor control centers requiring reliable protection for motor feeders against overloads and short circuits.
• Main or branch circuit protection in panelboards and switchboards serving manufacturing equipment, conveyors, or processing lines.
• OEM equipment integration in control panels or power distribution assemblies needing a dedicated 2-pole 40A breaker.

Why this QF240 stands out: its straightforward, dependable design focuses on safe operation and quick reset or replacement after a fault. The dual-pole configuration simplifies wiring and ensures consistent tripping behavior across both hot lines, making maintenance and safety in critical systems more efficient.

Specifications at a glance

• Current rating: 40A
• Poles: 2-Pole
• Breaker type: Circuit Breaker

When incorporating the Siemens QF240 into your electrical assembly, follow standard safety practices and the installation guidelines for panelboards and motor control centers to ensure proper functionality and code-compliant performance.