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circuit-breaker

Siemens NGB3B025 Circuit Breaker, 25A, 3-Pole, 277V

Part Number NGB3B025
Amperes 25
Poles 3
Voltage 277
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 $2,821.00
Sale price $2,821.00 Regular price
Unit price
Save

Seamless online shopping experience guaranteed with easy shipping and returns policy.

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

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Siemens NGB3B025 Circuit Breaker, 25A, 3-Pole, 277V

Siemens NGB3B025 Circuit Breaker, 25A, 3-Pole, 277V

Regular price $2,821.00
Sale price $2,821.00 Regular price
Unit price
Product description
Shipping

Meet the Siemens NGB3B025 Circuit Breaker—a purpose-built, three-pole device designed for industrial electrical service, maintenance, and replacement projects. With a 25 A rating and 277 V operation, this breaker delivers reliable overload protection for three-phase feeders and equipment on demanding distribution systems. Use the part number NGB3B025 to confirm compatibility with your panel, enclosure, and application requirements.

  • Amperage: 25 A
  • Poles: 3 (three-pole configuration for 3-phase protection)
  • Voltage: 277 V
  • Manufacturer: Siemens
  • Part Number: NGB3B025

Why this Siemens breaker stands out for industrial use:

  • Designed for three-phase protection in 277 V distribution, ensuring all phases trip together to safeguard motors, drives, and critical equipment.
  • Built to endure the rigors of industrial environments, delivering consistent performance across routine maintenance and replacement projects.
  • Clear path to compatibility—verify fit by part number and application requirements to avoid downtime and fit issues in existing panels or switchgear.

Ideal use cases include:

  • Panelboards and switchgear in warehouses, manufacturing floors, and data centers
  • Motor control centers and 3-phase feeders needing reliable overload protection
  • Repairs and replacements in legacy 277 V three-phase electrical systems

Compatibility and support:

Always verify fit by part number and application requirements. If you’re unsure about compatibility or matching replacement parts, our team can help confirm whether NGB3B025 is the right choice for your Siemens-based setup and electrical distribution design. We’re here to assist with cross-checks and ensure the breaker aligns with your current equipment.

Installation and safety:

  • Professional installation is recommended by a licensed electrician.
  • Follow all applicable electrical codes and the manufacturer’s installation guidelines to ensure safe, reliable operation.

Ready to protect your three-phase system with Siemens reliability? Add the NGB3B025 Circuit Breaker to your order and experience dependable protection tailored for industrial applications.

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What Our Customers Say

4.9 (38 reviews)

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

Verified

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

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

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