Siemens | QJH23B175A01 | Circuit Breaker | 175A | 3-Pole | 240V

Siemens QJH23B175A01 Circuit Breaker is a purpose-built protection device designed for reliable performance in three‑phase electrical systems. With a 175A rating, 3 poles, and 240V, this breaker is tailored for demanding commercial and light industrial applications where precise protection and quick isolation are essential. The part number QJH23B175A01 serves as the most reliable compatibility reference, ensuring a perfect fit in the right Siemens panels and distribution boards.

Key specifications

• Amperage: 175A
• Poles: 3-Pole
• Voltage: 240V

Ideal use cases

This circuit breaker excels in maintenance, retrofit, and replacement projects where the system requires exact Siemens specifications. Use it to protect 3‑phase feeders or distribution circuits in panels that mandate a 3‑pole 240V solution with a 175A capacity. It’s a practical choice when upgrading older gear or stocking replacement parts for ongoing operations.

What makes this Siemens breaker stand out

• Exact compatibility: The model number QJH23B175A01 is the definitive reference for matching panels and assemblies.
• Clear electrical rating: 175A on a 3‑pole, 240V circuit provides targeted protection for moderate-to-large three-phase loads.
• Focused use case: Specifically designed for maintenance, retrofit, and replacement scenarios where the exact spec alignment matters for safety and performance.

Practical procurement and installation tips

Before placing an order, double-check that your panel instructions call for a 3‑pole, 240V configuration at 175A. Use QJH23B175A01 as the primary compatibility reference to avoid mismatches. If you’re upgrading an existing panel, verify that the surrounding mechanical footprint and trip characteristics align with your system’s protection strategy. For professional installations, consult the panel’s documentation or a qualified electrician to confirm fitment and wiring requirements.