Siemens | HEB1B035B | Circuit Breaker | 35A | 1-Pole | 277V

Siemens HEB1B035B Circuit Breaker — 35A, 1-Pole, 277V This reliable breaker is designed for maintenance, retrofit, and replacement projects where exact specifications matter. With a 35-amp rating, a single pole, and a 277-volt operating capability, it’s built to protect parallel commercial and industrial circuits that run at higher voltage levels while keeping installation straightforward for technicians familiar with Siemens panels.

• Amperage: 35A
• Poles: 1-Pole
• Voltage: 277V
• Part number: HEB1B035B

Important notes for installation and compatibility: confirm fit and ratings before ordering. The part number HEB1B035B is the best reference to ensure this breaker matches your panel’s design and circuit requirements. This minimizes installation guesswork and helps maintain proper protection characteristics for your 277V circuits.

Where this breaker shines:

• Use it for quick maintenance and routine replacements without rewiring or reconfiguring delivery circuits.
• Perfect for office buildings, retail spaces, and warehouses that rely on 277V infrastructure.
• When upgrading or migrating from older breakers, this model preserves intended trip characteristics and circuit protection.
• Rely on the exact part number to avoid mismatches and ensure consistent performance over time.

Practical tips for use:

• Before replacement, power down the panel and verify that the target circuit is de-energized and labeled appropriately.
• Check the panel’s 277V rating and ensure the new breaker aligns with the panel’s listed specifications and permitted configurations.
• Keep labeling accurate after installation so maintenance personnel understand circuit responsibilities and can test or service safely in the future.
• Store replacement breakers in a controlled environment to prevent corrosion or mechanical damage prior to installation.

Designed for professionals who value precise spec matching and dependable performance, the Siemens HEB1B035B delivers straightforward, reliable circuit protection for 277V applications. Whether you’re performing routine maintenance, pursuing a retrofit, or replacing a worn-out breaker, this part number is your go-to reference for compatibility, safety, and long-term reliability.