Siemens NGB1B100B 100A 1P 347V Circuit Breaker, Bolt-On | AmpState

Meet the Siemens NGB1B100B, a bolt-on circuit breaker designed to safeguard your panelboards, load centers, and electrical distribution networks. This 100 A, 1-pole device is built by Siemens for direct part-number compatibility—a smart choice for maintenance teams, panel builders, and spare-inventory protocols where exact matching matters.

• Amperage: 100 A
• Poles: 1
• Voltage: 347 V
• Mounting: Bolt-On
• Manufacturer: Siemens
• Part Number: NGB1B100B
• Product Type: Circuit Breaker

This device is purpose-built for fast, secure protection in electrical distribution setups. Its bolt-on design ensures a solid mechanical connection in compatible Siemens panelboards, load centers, and distribution assemblies, reducing installation time and minimizing loose parts during maintenance or upgrades.

Ideal for:

• Panel builders sourcing exact Siemens parts to stock for upcoming builds
• Maintenance technicians needing a reliable, compatible replacement for 347 V, 1-pole circuits
• Spare-inventory managers who require a direct part-number match to simplify ordering and reduce downtime when a circuit trips

Why choose this Siemens NGB1B100B at AmpState? Available from AmpState, it’s the precise, direct-match part you need for compatible Siemens systems. If you’re unsure about fit, message us and we’ll help you confirm compatibility and ensure this 100 A, 1-pole, 347 V bolt-on breaker is the right choice for your panel.

Practical tips and considerations:

• Verify your panel’s electrical distribution needs align with 347 V systems; this breaker is rated for 347 V operation.
• Prepare mounting space for a bolt-on installation—ensure there’s room for the breaker and the mounting hardware in your panelboard or load center.
• Keep an exact part-number NGB1B100B on hand to streamline future replacements and service calls.
• Use it in configurations where a single-pole, 100 A protection is appropriate for the circuit being safeguarded.