Siemens | QJ23B100HA02 | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On

Meet the Siemens QJ23B100HA02 circuit breaker — a rugged 3-pole, 100-amp protector engineered for 240-volt systems. Designed for maintenance, retrofit, and replacement projects, this bolt-on breaker provides reliable, secure overcurrent protection for your three-phase loads.

Key specifications

• Amperage: 100 A
• Poles: 3-Pole (three-phase)
• Voltage: 240 V
• Mounting: Bolt-On
• Reference for compatibility: Part number QJ23B100HA02 is the best reference when verifying fit and ratings

Why this breaker stands out

• The QJ23B100HA02 is purpose-built to protect circuits in commercial and industrial panels that require a 3-pole, 240V solution.
• Secure, durable mounting: The bolt-on design ensures a stiff, vibration-resistant connection suited for environments subject to movement or panel work.
• Clear suitability for upgrades and replacements: Ideal for maintenance cycles, panel retrofits, or replacing aging breakers where exact ratings and form are critical.
• Direct reference for sourcing: Rely on the exact part number to ensure electrical compatibility and consistent performance.

Ideal use cases

• Upgrading or replacing three-phase circuits in commercial electrical panels
• Retrofit projects where a 100 A, 3-pole, 240 V bolt-on breaker is required
• Maintenance shutdowns that demand quick, reliable interchangeability with existing Siemens protection
• New installations in systems that run three-phase equipment and demand robust overcurrent protection

Installation and compatibility tips

• Always confirm fit and ratings before ordering by cross-checking the part number QJ23B100HA02 with your panel’s documentation.
• Verify that your panel and conductors are rated for 240 V and that the load requires 100 A protection.
• Follow your panel manufacturer’s installation guidelines for bolt-on breakers to ensure proper torque and secure mounting.
• Use this breaker in configurations that require three-pole protection for balanced, three-phase circuits.

Choose the Siemens QJ23B100HA02 when you need a dependable, precisely-rated 3-pole bolt-on breaker that aligns with Siemens protection standards. Its 100 A rating and 240 V operation make it a practical, long-lasting choice for maintaining safe, continuous power in demanding electrical environments.