Siemens | QJ23B070H00S01 | Circuit Breaker | 70A | 3-Pole | 240V | Bolt-On

Siemens QJ23B070H00S01 circuit breaker is a bolt-on, 3-pole protective device designed for reliable power protection in 240V, 3-phase panel environments. Engineered for maintenance, retrofit, and replacement tasks where exact specifications matter, this unit ensures a precise fit with existing Siemens hardware footprints.

• Amperage: 70A
• Poles: 3-Pole
• Voltage: 240V
• Mounting: Bolt-On

Why this model stands out

• Direct bolt-on mounting enables quick, secure installation without the need for adapters or special fittings.
• Three-pole configuration provides balanced protection for 3-phase circuits, making it ideal for commercial and light industrial panels.
• 70A rating aligns with common feed and distribution requirements, supporting reliable shutdowns for medium-load equipment.
• Part of Siemens’ QJ series ensures alignment with compatible panels and accessories when exact spec matching is essential.

Ideal use cases

• Maintenance replacements where the original part is specified as QJ23B070H00S01 and exact compatibility is critical.
• Retrofits to upgrade aging protection in Siemens panels that require a 3-pole, 240V bolt-on breaker.
• New installations needing robust 70A, 3-phase protection with a precise Siemens part-number reference for compatibility verification.

Compatibility and ordering tips

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, ensuring you replace the exact model without mismatches in footprint or trip characteristics.

For technicians and facility managers, this Siemens QJ23B070H00S01 offers a straightforward path to dependable protection in 240V, 3-phase systems. By leveraging the exact 70A, 3-pole, bolt-on design, you can streamline maintenance workflows, minimize downtime, and maintain consistent protection across your Siemens panel installations.