Siemens NGB1B110B 110A 1P 347V Circuit Breaker, Bolt-On | AmpState

Meet the Siemens NGB1B110B — a purpose-built, bolt-on circuit breaker designed for robust protection in panelboards, load centers, and electrical distribution. With a direct part-number match, this 110 A, 1-pole unit is a smart, reliable choice for maintenance teams, panel builders, and spare inventories where exact compatibility matters.

• Amperage: 110 A
• Pole: 1
• Voltage rating: 347 V
• Mounting type: Bolt-On
• Part: Siemens NGB1B110B

What makes this bolt-on breaker stand out

• Direct compatibility with Siemens panelboards and load centers that accept the NGB family, streamlining replacements and reducing guesswork.
• Secure bolt-on installation for dependable electrical connections in demanding distribution setups, helping minimize panel downtime during maintenance or upgrades.
• Designed for 347 V systems, making it an ideal fit for commercial and industrial environments where higher-voltage distribution is standard.

Ideal use cases

• Spare parts inventory for service fleets and contractors who standardize on Siemens components.
• Panelboard retrofits and rebuilds requiring a precise 1-pole, 110 A, 347 V breaker.
• New installations in facilities with 347 V electrical distribution that need compact, reliable branch protection.

AmpState offers the Siemens NGB1B110B 110 A 1P 347 V bolt-on breaker, with support to confirm fit for your exact panel or distribution setup. If you’re unsure about compatibility, you can message AmpState and we’ll help verify that this NGB1B110B matches your part-number and panel requirements before you purchase.