Siemens | QJ23B110HA01 | Circuit Breaker | 110A | 3-Pole | 240V

Introducing the Siemens QJ23B110HA01 Circuit Breaker — a purpose-built protection device for 3‑phase 240V electrical systems engineered to safeguard equipment and keep your power on when it matters most. With a 110A rating and a robust three‑pole design, this unit is ready for maintenance, retrofit, and replacement projects where exact specifications are non‑negotiable.

• Amperage: 110A
• Poles: 3-Pole
• Voltage: 240V

What sets this breaker apart

• Exact-fit compatibility for Siemens panels that require the QJ family, offering predictable protection for three‑phase circuits.
• High-reliability design built to withstand industrial and commercial loads common in HVAC, motors, pumps, and other three‑phase equipment.
• Part number QJ23B110HA01 as the primary reference for compatibility, ensuring you’re selecting the right component for your panel and circuit.

Ideal use cases

• Retrofits in existing Siemens panels where a 110A, 3‑pole, 240V protection device is required.
• Maintenance replacements to restore original protection levels and minimize downtime.
• New installations in commercial or light industrial settings where three‑phase 240V service must be safeguarded with precise 110A protection.

Why choose this Siemens breaker for your project

• Precise alignment with Siemens’ QJ series—reduces guesswork during panel matching and stocking.
• Clear reference in part numbers helps ensure you’re selecting the correct component the first time, avoiding costly misfits.
• Designed to handle typical 3‑phase loads with dependable trip characteristics, contributing to system stability and safety.

Practical guidance for installation and compatibility

• Before ordering, verify the fit and ratings against your panel’s specifications and the QJ23B110HA01 reference to ensure full compatibility.
• Use in panels that support 3‑pole 240V protection and are designed for Siemens QJ‑series breakers.
• Have a qualified electrician install and verify all connections, and test circuit operation to confirm proper protection coverage.

With the Siemens QJ23B110HA01, you gain a precisely matched, reliable protective device that supports efficient maintenance cycles, smooth retrofits, and dependable replacements in three‑phase 240V systems. Its clear specs and Siemens heritage help you protect critical loads—from industrial motors to commercial equipment—while keeping downtime to a minimum and performance to the standard you expect from Siemens.