Siemens NEB1B100B 100A 1-Pole 347 V Circuit Breaker

Siemens NEB1B100B is a robust 100 A circuit breaker designed for single-pole protection in commercial and industrial electrical systems. With a 347 V voltage rating, this device provides precise overcurrent protection for branch circuits, helping safeguard wiring and connected equipment while fitting seamlessly into Siemens panels that accept NEB-series breakers.

This 100 A, 1-Pole, 347 V circuit breaker is built for reliability in demanding environments. It’s the kind of component you want on hand in service panels where uptime matters, delivering consistent interrupting capability when fault conditions occur and ensuring quick, straightforward replacement when maintenance is needed.

• Current rating: 100 A, enabling protection for high-demand circuits without nuisance tripping under normal operation
• Poles: 1, designed for single-pole protection paths in compatible Siemens panels
• Voltage rating: 347 V AC, suitable for commercial/industrial distribution environments that use 347 V systems
• Part number: NEB1B100B, guaranteeing exact compatibility with Siemens installations and spares workflows
• Brand and lineage: Siemens—engineered to integrate with existing Siemens distribution equipment for reliable performance

Ideal use cases include protecting individual branch circuits in 347 V commercial electrical distributions, such as lighting feeders, control circuits for machinery, or subfeed circuits inside larger Siemens panel assemblies. This breaker helps prevent electrical damage and downtime by interrupting fault currents before they can compromise wiring or equipment.

To ensure proper installation, verify that your panel accepts NEB-series breakers and follow the manufacturer’s installation guidelines. If you’re stocking a maintenance kit or planning a panel upgrade, the NEB1B100B provides a precise, drop-in replacement that aligns with Siemens specifications and field service expectations.

Choose the Siemens NEB1B100B 100A 1-Pole 347 V Circuit Breaker for dependable, straightforward protection that keeps critical commercial and industrial electrical systems running smoothly.