Siemens | QJ23B125H00S01 | Circuit Breaker | 125A | 3-Pole | 240V | Bolt-On

Siemens QJ23B125H00S01 circuit breaker delivers reliable, system-level protection in a rugged bolt-on package. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this 125A, 3-pole unit is a precise fit for panels that require a bolt-on QJ-series breaker.

• Amperage: 125 A
• Poles: 3-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part number: QJ23B125H00S01

This breaker is ideal for facilities and technicians who need a straightforward, compatible upgrade or replacement. If your panel calls for a 3-pole, 240V protection device rated at 125A, the QJ23B125H00S01 delivers the exact specs without compromise, helping to minimize downtime during service or retrofit work. Why this specific model matters: - The part number QJ23B125H00S01 is the most reliable reference for compatibility, ensuring you’re matching the correct series, mounting style, and electrical rating. - Bolt-on mounting provides a secure, durable connection that reduces the risk of loose connections during operation and servicing. - Matching ratings (125 A, 240 V) protect wiring, downstream devices, and motors from overcurrents while fitting seamlessly into panels designed for these specifications. Use cases and scenarios: - Replacing a failed or obsolete breaker in a 3-pole 240V installation where 125A protection is required. - Retrofitting an existing panel to support higher or more consistent overcurrent protection with a bolt-on QJ-series device. - Stocking a reliable spare for maintenance programs that rely on exact match parts to minimize panel downtime. Practical guidance: - Before ordering, confirm fit and ratings by cross-referencing with your panel’s documentation and the part number QJ23B125H00S01. - Plan for proper installation procedures per your panel manufacturer’s guidelines and safety practices to ensure a secure bolt-on fit and proper electrical contact. - Keep the part number handy as the primary reference during ordering or inventory checks to avoid mismatches in series, pole count, and voltage rating. Designed for professionals who demand precision and dependable performance, the Siemens QJ23B125H00S01 is a deliberate choice for fast, accurate replacements and retrofits that keep electrical systems protected and running smoothly.