Siemens EH1-B100 Circuit Breaker, 100A, 1-Pole, 277V

Engineered for demanding industrial environments, the Siemens EH1-B100 circuit breaker delivers reliable overcurrent protection for 277V circuits. With a 100 A rating and 1-pole configuration, this device is designed for service, maintenance, and replacement projects in commercial and industrial electrical panels.

To ensure compatibility, verify the fit by part number EH1-B100 and review your specific application requirements. This precise matching step helps ensure seamless integration with your panel and load profile.

Where it shines

• 277V circuits: Perfect for distribution feeders and control circuits in facilities that operate on 277V power.
• 100 A protection: Delivers solid protection for high-current circuits, helping prevent equipment damage and downtime.
• 1-pole design: Suited for single-phase protection in industrial panels where space and simplicity matter.
• Industrial service and maintenance: A practical choice for new installations, panel replacements, or stocking spare parts for ongoing maintenance programs.

Why choose the EH1-B100 from Siemens

• Reliability you can count on: Siemens has a long-standing reputation for dependable electrical components in demanding environments.
• Direct alignment with EH1-series panels: Designed to fit systems that specify the EH1 family, making replacement straightforward when you have the correct part number.
• Clear compatibility path: If you’re updating a panel or stocking spare parts, the EH1-B100 provides a straightforward option to meet your 100A, 277V, 1-pole requirement.

Tips for installation and selection

• Always confirm compatibility by part number (EH1-B100) and your panel’s labeling before purchasing or installing.
• Keep a few spare breakers on hand for planned maintenance and unexpected replacements to minimize downtime.
• Consult your electrical contractor or service team if your system differs from standard 277V single-pole configurations to ensure safe, compliant installation.