Siemens | QJH23B100 | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On

Siemens QJH23B100 Circuit Breaker is a sturdy 100 A, 3-Pole, 240 V bolt-on device designed for reliability in maintenance, retrofit, and replacement tasks within Siemens panel systems.

Built to match the exact specifications required by your distribution setup, this breaker helps protect feeders and downstream equipment from overloads while keeping installation straightforward.

Key specifications and compatibility

• Amperage: 100 A
• Poles: 3-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part Number: QJH23B100
• Best use: maintenance, retrofit, and replacement in compatible Siemens panels

Notes: Confirm fit and ratings before ordering. The part number is the most reliable reference for compatibility.

What makes this breaker a smart choice

• Exact fit for Siemens panels and enclosures that require a QJH23B100 style bolt-on breaker, reducing trial-and-error sizing and compatibility issues.
• Streamlined installation with bolt-on mounting, helping technicians save time during service calls and upgrades.
• Clear, durable protection for commercial electrical distributions, minimizing the risk of nuisance trips and unplanned downtime.
• Designed for maintenance crews, facility managers, and panel builders who need a reliable, field-ready replacement part without reconfiguring the system.

Ideal use cases include replacing aging breakers in service entrances, retrofitting legacy panels to support updated circuits, or stocking spare breakers for fast on-site replacements. By choosing this genuine Siemens part, you maintain system integrity and continuity of protection across your electrical distribution network.