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Feels well-built and suitable for everyday plant and maintenance use.
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Circuit Breaker
Siemens | NMX3B800L | Circuit Breaker | 800A | 3-Pole | 600V
| Amperes | 800 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
Regular price
$25,541.00
Sale price
$25,541.00
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.
Siemens | NMX3B800L | Circuit Breaker | 800A | 3-Pole | 600V
Regular price
$25,541.00
Sale price
$25,541.00
Regular price
Unit price
Product description
Shipping
Siemens NMX3B800L Circuit Breaker is a purpose-built, high-capacity protection device for demanding 600V three-phase systems. Designed for maintenance, retrofit, and replacement projects, this 800A, 3-pole breaker keeps your electrical distribution reliably safeguarded while fitting seamlessly into Siemens-compatible panel setups.
Key specifications at a glance
- Amperage: 800A
- Poles: 3-Pole
- Voltage rating: 600V
- Part reference: NMX3B800L
Why this Siemens breaker stands out
- Optimized for three-phase, high-current distribution typical in industrial environments, providing reliable protection for feeders and motors on 600V networks.
- Exact compatibility assurance for retrofit or replacement when you reference the NMX3B800L part number, ensuring proper interface with your existing panel, bus, and protective coordination.
- Fast, predictable downtime during maintenance windows thanks to a design that aligns with Siemens standards and common industrial installation practices.
Who should consider it
- Electrical contractors handling panel retrofits or replacements in 600V, three-phase systems.
- Facilities managers overseeing industrial facilities and manufacturing lines that require dependable, high-capacity protection.
- Maintenance teams seeking a genuine Siemens component for compatible panels and gear replacements.
Best practices for compatibility and installation
- Always verify fit and ratings before ordering — the NMX3B800L part number is the most reliable reference for compatibility with your panel model and bus configuration.
- Cross-check with your existing Siemens distribution equipment to ensure seamless integration and consistent protection characteristics.
- Document the replacement with correct labeling and update maintenance records to reflect the 800A, 3-pole, 600V specification.
Secure Siemens-grade protection for your 600V, three-phase system with the NMX3B800L — a trusted solution for robust, dependable electrical distribution.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Lead time was reasonable and the part matched expectations when it arrived.
Procurement · Ontario
Verified
Good value for industrial use. Customers mention easy installation.
Service tech · Field work
