Siemens | QJH23B110L | Circuit Breaker | 110A | 3-Pole | 240V

Siemens QJH23B110L is a dependable 110A circuit breaker designed for 3-pole, 240V systems. This unit excels in maintenance, retrofit, and replacement projects where a precise, compatible part is essential for reliable power protection in commercial and light industrial environments.

Key specifications

• Amperage: 110A
• Poles: 3-Pole
• Voltage: 240V
• Part number: QJH23B110L

Why this breaker stands out

• Exact compatibility: the part number QJH23B110L serves as the best reference for matching fit and ratings in your Siemens panel or distribution setup.
• Versatile application: built for installation during routine maintenance, emergency retrofit, or straightforward replacement to minimise downtime.
• Trusted Siemens engineering: designed to deliver consistent, predictable protection for three-phase circuits at 240V, helping safeguard equipment and personnel.

Ideal use cases

• Replacing a failed 3-pole breaker in Siemens or Siemens-compatible panels where 240V, 3-phase loads are present.
• Retrofit projects upgrading electrical distribution to a robust 110A protection level for motor drives, compressors, or other 3-phase equipment.
• Maintenance scenarios where a precise-numbered, readily identifiable replacement part minimizes compatibility issues and installation time.

Installation and compatibility notes

Before ordering, confirm the fit and ratings to ensure seamless operation in your panel. Use the QJH23B110L as the primary compatibility reference, and verify panel model, bus type, and voltage to match your circuit protection needs. This approach helps prevent downtime and ensures you’re deploying a breaker that aligns with your system’s electrical specifications.

With Siemens QJH23B110L, you’re selecting a proven, purpose-built solution for safeguarding 3-phase circuits at 240V while simplifying procurement through a clearly identifiable, production-tested part number. Whether you’re maintaining an aging installation or executing a precise retrofit, this breaker provides dependable protection and straightforward integration.