Siemens | QJ3B100H00S01 | Circuit Breaker | 100A | 3-Pole | 240V

Siemens QJ3B100H00S01 Circuit Breaker delivers dependable, industrial-grade protection for three-phase electrical systems. With a 100A rating, 3-pole configuration, and a 240V operating voltage, this unit is built for reliability in maintenance, retrofit, and replacement projects where exact specifications matter.

Why this Siemens QJ breaker stands out

• Exact compatibility: The part number QJ3B100H00S01 is the best reference for matching your panel or equipment. Always verify the fit and ratings before ordering to ensure seamless integration.
• Three-pole protection for three-phase circuits: Designed to safeguard multi-phase systems, this breaker helps protect motors, compressors, pumps, and other three-phase loads from overloads and faults.
• Engineered by Siemens: Built to meet Siemens’ stringent standards, offering consistent performance and longevity in demanding environments.
• Versatile retrofit option: Ideal for upgrading or replacing aging breakers in existing Siemens panels that require the QJ series, helping minimize downtime and preserve electrical integrity.

Ideal use cases

Use this 100A, 3-pole, 240V breaker in commercial or light industrial settings where three-phase protection is essential. It’s a practical choice for motor control centers, HVAC equipment rooms, manufacturing lines, and large service panels that rely on precise Siemens QJ-type components.

How it can solve common problems

• Compatibility gaps: When panel documentation lists QJ-series breakers, this exact part ensures you’re meeting the required specifications rather than guessing at alternates.
• Downtime during upgrades: A precise match reduces installation delays and helps maintain electrical protection without compromising safety.
• Motor and load protection: Safeguards significant three-phase equipment from overloads, contributing to longer equipment life and fewer unplanned outages.

Specifications at a glance

• Amperage: 100 A
• Poles: 3-Pole
• Voltage: 240 V
• Part number: QJ3B100H00S01

Important note: Confirm fit and ratings before ordering. The part number is the most reliable reference for compatibility, so match it against your panel’s documentation and the equipment you’re protecting.