Siemens | QJH23B070A01 | Circuit Breaker | 70A | 3-Pole | 240V

Siemens QJH23B070A01 is a high-reliability circuit breaker engineered to protect 240V electrical systems with precision. With a 70A rating and a 3-pole configuration, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter for safe and compliant operation.

• Amperage: 70A
• Poles: 3-Pole
• Voltage: 240V
• Part number: QJH23B070A01

Why this specific part matters

In electrical panels that require the QJH23B070A01, using this exact part ensures proper fit, electrical ratings, and reliable protection. The part number is the best reference for compatibility, so confirm fit and ratings before ordering to avoid mismatches during installation.

Ideal use cases

• Maintenance or repair of Siemens panels that require a 70A, 3-pole, 240V breaker
• Retrofits to upgrade or replace aging or failed breakers in compatible systems
• Replacement within service panels where the wiring and configuration call for a 3-pole, 240V protection device

Who this is for

• Licensed electricians performing panel maintenance or upgrades
• Facilities managers handling regular electrical panel servicing
• Anyone maintaining Siemens-compatible electrical systems that specify the QJH23B070A01 part

What to expect in practice

This 70A, 3-Pole, 240V circuit breaker delivers dependable overload and short-circuit protection for multi-wire circuits common in commercial and industrial panels. By matching the exact part number, you reduce the risk of incompatibility and ensure consistent trip performance within your Siemens installation.

Choosing the correct breaker is essential for safety and system reliability. With the explicit compatibility of QJH23B070A01, you can proceed with confidence on maintenance, retrofit, or replacement projects—knowing you’re aligned with the panel’s electrical ratings and Siemens' design specifications.