Siemens HEB1B100B Circuit Breaker, 100A, 1-Pole, 277V

Siemens HEB1B100B Circuit Breaker is a rugged, industrial-grade protective device designed for demanding electrical service, maintenance, and replacement projects. With a 100 A rating and a single pole, this 277 V breaker provides dependable overcurrent protection for critical circuits in commercial and light industrial environments. Use the part number HEB1B100B to confirm compatibility with your application and panel system.

Product snapshot

• Part Number: HEB1B100B
• Product Type: Circuit Breaker
• Ampere Rating: 100 A
• Poles: 1
• Voltage: 277 V
• Manufacturer: Siemens

Why choose the Siemens HEB1B100B

• Specifically designed for Siemens panels and systems, reducing guesswork when replacing a worn or tripped breaker.
• Industrial reliability: Built to support ongoing operations in service environments where uptime matters, making it a dependable choice for maintenance and replacement projects.
• Clear identification: Clear part-numbering (HEB1B100B) helps technicians quickly confirm the correct device during installs or reorderings, cutting project downtime.
• 277 V readiness: Rated for 277 V circuits, making it well-suited for commercial lighting and other 277 V applications common in many facilities.

Ideal use cases

• Industrial service panels requiring robust single-pole protection for a 277 V circuit.
• Maintenance replacements where a precise Siemens part is needed to maintain system compatibility and performance.
• Upgrading or refreshing panel components in facilities that rely on reliable, straightforward diagnostics and part verification.

Compatibility and installation guidance

To ensure a proper fit, verify the part number and review your application requirements. If you’re unsure whether HEB1B100B matches your panel or circuit, send us a message and we’ll help confirm compatibility based on the exact part number and your operating conditions.

What problems does it solve?

The Siemens HEB1B100B provides reliable overcurrent protection for a 277 V circuit, helping prevent damage from faults, overloads, and electrical disturbances. By ensuring the correct part is used for the right application, it reduces risk, minimizes downtime, and supports safer, more predictable electrical performance in industrial environments.

Ready to verify compatibility or place an order for this 100 A, 1-pole, 277 V circuit breaker? Reach out to our team and we’ll guide you to a seamless match with the HEB1B100B part number.