Siemens | HQJ3B125H00S01 | Circuit Breaker | 125A | 3-Pole | 240V | Bolt-On

Siemens HQJ3B125H00S01 Circuit Breaker delivers dependable overcurrent protection for three-phase electrical systems. With a 125A rating, a 3-pole configuration, and a 240V operation, this bolt-on unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications are essential.

• Amperage: 125 A
• Poles: 3-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part reference: HQJ3B125H00S01 ensures precise compatibility with matching panels and assemblies

Why this specific Siemens breaker stands out: it’s designed to align with existing 3-phase panel configurations, reducing integration issues during repairs or upgrades. The bolt-on mounting provides a solid, durable connection in compatible Siemens panels, helping to minimize electrical resistance and maintain consistent protection across the network. Using the exact part number HQJ3B125H00S01 helps ensure you’re selecting a device that matches the original equipment rating and mounting interface, keeping downtime to a minimum.

This breaker is ideal for professionals tackling:

• Maintenance of three-phase motor drives and commercial equipment within 125A, 240V circuits
• Retrofit projects where older panels require a like-for-like Siemens replacement
• End-of-life replacements in industrial control panels that rely on a bolt-on, three-pole protection solution

Before you order, confirm fit and ratings to ensure compatibility with your specific panel model. The part number HQJ3B125H00S01 is the most reliable reference for matching hardware, electrical characteristics, and mounting interface. If your project calls for precise Siemens specifications and a straightforward bolt-on installation, this 125A, 3-pole, 240V breaker is designed to deliver reliable protection with minimal hassle.