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Circuit Breaker

Siemens | NGB1B100 | Circuit Breaker | 100A | 1-Pole | 347V

★★★★★
Amperes 100
Poles 1
Voltage 347
Product Type Circuit Breaker
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Manufacturer :Siemens
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $507.00
Sale price $507.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

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Secure transaction
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FREE & fast shipping on orders over $49
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CSA approved with 1 year warranty
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30 day returns
Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Siemens | NGB1B100 | Circuit Breaker | 100A | 1-Pole | 347V

Regular price $507.00
Sale price $507.00 Regular price
Unit price
Product description
Shipping

Siemens NGB1B100 is a reliable, single-pole circuit breaker designed for 347V electrical systems. With a 100A rating, this unit delivers precise overcurrent protection and straightforward replacement in compatible Siemens panels, helping keep critical circuits safe and downtime to a minimum.

  • Amperage: 100A
  • Poles: 1-Pole
  • Voltage: 347V
  • Part number reference: NGB1B100

Important: Confirm fit and ratings before ordering. The part number NGB1B100 is the best reference for compatibility.

Why this breaker stands out

Ideal use cases

  • Panel retrofit or service upgrades in facilities that use Siemens NGB-series breakers
  • Replacement for aging 100A 1-Pole breakers within 347V distribution networks
  • Maintenance projects needing a trustworthy, drop-in unit that matches existing Siemens infrastructure

Installation and compatibility tips

  • Use the exact part number NGB1B100 as the primary compatibility reference when sourcing replacements
  • Double-check the panel’s rating and the branch-circuit requirements to ensure a proper fit for 347V systems
  • Cross-check the amperage (100A) and pole count (1-Pole) against the circuit you’m protecting to prevent over- or under-protection
  • If you’re upgrading from a different family, verify that the enclosure and bus connections are compatible with Siemens NGB breakers

Equip your electrical system with the Siemens NGB1B100 to achieve reliable, straightforward protection for critical 347V circuits, supported by the long-standing Siemens reputation for dependable distribution reliability.

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

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Professional-grade feel. No issues reported during commissioning.

Controls · Commissioning

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Arrived in good condition and helped keep our project on schedule.

Project team · Contractor

Verified

Exactly what most contractors expect from an industrial supplier.

Electrical · Commercial

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Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

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