Siemens | HGB2K070B | Circuit Breaker | 70A | 2-Pole | 347V

Siemens HGB2K070B is a 70 A, 2-pole circuit breaker designed to deliver reliable overcurrent protection for 347 V distribution systems. Built for maintenance, retrofit, and replacement projects, it provides a precise, compatible fit in the right Siemens panels when your setup requires two-pole protection at 347 volts.

Key specifications

• Amperage: 70 A
• Poles: 2-Pole
• Voltage rating: 347 V
• Reference: Part number HGB2K070B ensures compatibility
• Applications: Maintenance, retrofit, and replacement in compatible Siemens electrical systems

Why this Siemens circuit breaker stands out

• Engineered to integrate with existing Siemens panel architectures, enabling a straightforward swap during service or upgrades.
• Clear compatibility signal: using the HGB2K070B part number helps ensure the correct fit and ratings.
• Focused on protecting circuits up to 70 amperes in a 347-volt environment, helping prevent overloads and protect connected equipment.

Ideal use cases

• Commercial facilities with 347 V distribution that require dependable two-pole protection for critical circuits.
• Retrofits where aging panels are upgraded with like-for-like Siemens replacements to restore protection.
• Maintenance outages or downtime scenarios where a quick, accurate replacement minimizes disruption.

Installation & compatibility tips

• Always confirm fit and ratings before ordering. Use HGB2K070B as the primary compatibility reference.
• Review your panel labeling to ensure support for a 347 V, 2-pole device and that the breaker’s form factor matches your bus style.
• During replacement, follow panel manufacturer guidelines and local electrical codes for torque and secure mounting.
• Keep spare breakers on hand for facilities with 347 V distribution to minimize downtime during service calls.

Choosing the Siemens HGB2K070B means selecting a purpose-built solution tuned for 347 V, 2-pole protection in compatible panels. It supports efficient maintenance, reliable retrofits, and dependable replacements, with the part number serving as your best signal for exact compatibility and safe operation.