Siemens | QJ2M175 | Circuit Breaker | 175A | 2-Pole | 240V | Bolt-On

Siemens QJ2M175 Circuit Breaker — a reliable, high-current solution crafted for industrial and commercial electrical systems. This 175-amp, 2-pole breaker is rated for 240V and features a bolt-on mounting design, delivering secure, durable protection for demanding applications. The part number QJ2M175 is the most consistent reference for ensuring a precise fit with compatible Siemens panels and switchgear.

Key specifications at a glance

• Amperage: 175 A
• Poles: 2-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part Number: QJ2M175

What makes this model unique

• Bolt-On mounting for a secure, vibration-resistant installation in demanding environments, ensuring reliable circuit protection in panel assemblies, distribution boards, and control panels.
• Precisely matched to Siemens electrical systems with the QJ2M175 designation, simplifying retrofits, replacements, and upgrades where exact compatibility matters.
• High-current protection in a compact 2-pole form factor, suitable for protecting feeders and motor circuits in commercial facilities and light industrial applications.

Ideal uses and scenarios

This breaker is ideal for maintenance projects, retrofits, or replacements where a Siemens-compatible, 175A, 240V, 2-pole bolt-on solution is required. Use it to:

• Replace a failing or obsolete breaker in existing Siemens panels while preserving original design intent.
• Upgrade protection for high-load circuits, such as motor feeders or critical power distribution lines, without changing the panel hardware.
• Equip new installations that demand a bolt-on, two-pole 240V protective device with exact compatibility to Siemens specifications.

Compatibility and installation tips

Always verify fit and ratings before ordering. The QJ2M175 is the best reference for compatibility with suitable Siemens panels and equipment. When installing, ensure the mounting surfaces are clean and aligned to avoid uneven seating, and follow standard electrical practices for bolt-on breakers in your panel series.

Why choose a Siemens QJ2M175 here

Choosing the QJ2M175 means aligning with Siemens’ trusted protection strategy for 2-pole, high-current circuits. Its bolt-on design provides a robust connection that stands up to routine maintenance and field service, making it a dependable choice for professionals who value accuracy, compatibility, and durable performance in electrical protective devices.