Siemens | QJH23B07000S01 | Circuit Breaker | 70A | 3-Pole | 240V

Siemens QJH23B07000S01 Circuit Breaker: a purpose-built protection device for 240V, three-pole installations, rated at 70A. Designed for maintenance, retrofit, or replacement projects where exact specs matter, this breaker helps keep critical circuits safeguarded with a reliable, Siemens-built solution.

Key specs at a glance

• Amperage: 70A
• Poles: 3-Pole
• Voltage: 240V
• Part number: QJH23B07000S01

Why this Siemens breaker stands out

When your panel requires a precise QJH-series component, this 70A, 3-pole model is designed to drop into compatible Siemens panels with confidence. The part-number-specific reference (QJH23B07000S01) helps ensure a correct fit, reducing guesswork during repair or upgrades. The 3-pole design is well-suited for three-phase systems, providing coordinated protection across all phases for reliable motor and feeder safeguarding.

Best use cases

• Maintenance: replace worn or failed breakers in existing Siemens panels that accept QJH-series units.
• Retrofit: update older installations to a current 70A, 3-pole, 240V protection scheme for improved safety and reliability.
• Replacement: quick substitution when specifications match the original part number, minimizing downtime.

Installation notes and compatibility

Before ordering, confirm fit and ratings for your specific panel. The part number is the most reliable reference for compatibility. This breaker is intended for 3-phase, 240V systems and should be installed by qualified personnel following local electrical codes.

Practical tips for best results

• Keep a spare QJH23B07000S01 on hand for urgent replacements in service-critical circuits.
• Store uninstalled breakers in a dry, cool environment to preserve performance.
• Cross-reference the panel labeling to ensure the QJH-series unit is listed for your panel model.