Verified
Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
circuit-breaker
Siemens NGB3B125B 125A 3P 600V Circuit Breaker | AmpState
| Part Number | NGB3B125B |
| Amperes | 125 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | circuit-breaker |
Regular price
$2,283.00
Sale price
$2,283.00
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.
Siemens NGB3B125B 125A 3P 600V Circuit Breaker | AmpState
Regular price
$2,283.00
Sale price
$2,283.00
Regular price
Unit price
Product description
Shipping
Meet the Siemens NGB3B125B 125A 3-pole 600V circuit breaker—now available from AmpState. Designed for precise circuit protection in panelboards, load centers, and distributed electrical systems, this part delivers reliable performance where it matters most. When a direct part-number match is essential for your maintenance plans or panel builds, this NGB3B125B fits the bill with confidence.
- Direct part-number match: The NGB3B125B is cataloged for Siemens-compatible equipment, reducing guesswork during replacement and ensuring a clean, worry-free install.
- Three-pole protection: With a 125 A rating across three poles, it provides balanced protection for three-phase circuits and helps maintain system stability.
- 600V maximum rating: Suitable for typical industrial and commercial distribution needs, aligning with standard electrical protection requirements.
- Versatile application: Ideal for panelboards, load centers, and electrical distribution layouts where dependable circuit interruption is required to safeguard equipment and personnel.
- AmpState reliability: Availability plus expert compatibility support makes this a smart choice for maintenance teams, panel builders, and spare inventories seeking dependable, in-stock parts.
Why this matters in the real world
- Downtime protection: Having the exact Siemens part on hand means faster replacements and less downtime during outages or preventive maintenance.
- Inventory accuracy: Stocking the precise part number reduces mismatches and restocking headaches for maintenance shops and distribution teams.
- Engineering confidence: When panel designs specify NGB3B125B, you can proceed with installation knowing the component meets the required Siemens standards.
Specifications
- Manufacturer: Siemens
- Part Number: NGB3B125B
- Product Type: Circuit Breaker
- Amperage: 125 A
- Poles: 3
- Voltage: 600 V
- Availability: AmpState
If you’re unsure about fit or compatibility, we’re ready to help. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.
Contact sales@ampstate.com
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase.
What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
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
