Siemens | HGB1K050B | Circuit Breaker | 50A | 1-Pole | 347V

Meet Siemens HGB1K050B, a 50A, 1-Pole circuit breaker designed to deliver dependable overcurrent protection in electrical panels. This unit is purpose-built for maintenance, retrofit, and replacement projects where exact ratings matter, including 347V systems. With the part number HGB1K050B, you have a precise reference to confirm compatibility before you buy.

Key specifications

• Amperage: 50 A
• Poles: 1-Pole (single-pole)
• Voltage rating: 347 V
• Part number: HGB1K050B

Why choose this Siemens breaker

This breaker is engineered to integrate with systems that require exact amperage, voltage, and single-pole protection. The part number HGB1K050B is the most reliable reference for matching with compatible panels and feeders, reducing the risk of mismatches during retrofit or replacement. Built on Siemens’ proven engineering standards, it aims to provide consistent, safe operation when protection is needed against overcurrent scenarios.

Ideal use cases

• Retrofit installations in existing Siemens panels requiring 50 A single-pole protection
• Replacement for failed or aging breakers in preventative maintenance plans
• Protection for 347V circuits in commercial or light-industrial environments

Selection tips and installation notes

Before ordering, confirm that the 50A, 1-Pole, 347V ratings align with your panel and circuit requirements. Rely on the part number HGB1K050B as the best compatibility signal. For safety and code compliance, installation should be performed by a qualified electrician with proper equipment and procedures. Keeping a spare HGB1K050B on hand can minimize downtime during service or upgrades.

Secure this Siemens breaker to ensure reliable protection and a smooth retrofit or replacement project. Add to your cart today to maintain electrical system safety with a trusted, purpose-built solution.