Siemens | QJ23B175H | Circuit Breaker | 175A | 3-Pole | 240V | Bolt-On

The Siemens QJ23B175H circuit breaker delivers dependable overcurrent protection for 3-phase, 240V systems while offering a straightforward bolt-on mounting solution. With a 175A rating in a 3-pole configuration, this unit is designed for maintenance, retrofit, and replacement projects where exact specifications matter. For the most accurate fit, rely on the part number QJ23B175H as your compatibility reference.

Key specifications

• Amperage: 175A
• Poles: 3-Pole
• Voltage: 240V
• Mounting: Bolt-On
• Part number reference: QJ23B175H

Why this QJ 175A 3-Pole bolt-on breaker stands out

• Precise fit for Siemens panels designed to accept QJ-style bolt-on breakers, helping ensure reliable electrical performance and secure mounting.
• Three-pole design supports standard 3-phase systems, delivering synchronized protection across all conductors.
• High-current capability (175A) makes it suitable for feeders, service disconnects, and equipment protection in commercial and light industrial environments.
• Bolt-on installation provides a robust, mechanical connection that can simplify field retrofits and long-term maintenance in demanding settings.

Ideal use cases

• Retrofit projects where an exact QJ-series, 175A, 3-pole, 240V bolt-on breaker is required to match existing hardware.
• Maintenance planning and spare parts stocking for commercial electrical panels and switchgear that rely on Siemens QJ family components.
• Replacement installations in facilities upgrading or reconfiguring 3-phase distribution to maintain continuous service with proper protection.

Installation and compatibility notes

Before ordering, confirm fit and ratings using the part reference QJ23B175H to avoid mismatches in panel compatibility. This bolt-on breaker is intended for Siemens panels designed to accommodate QJ-style bolt-on units, so verify enclosure type and mounting requirements in your service documentation. Proper installation ensures secure electrical connections and consistent protective performance across your 3-phase distribution setup.