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Feels well-built and suitable for everyday plant and maintenance use.
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Circuit Breaker
Siemens | NGB3K045B | Circuit Breaker | 45A | 3-Pole | 600V
★★★★★
| Amperes | 45 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
Regular price
$3,494.00
Sale price
$3,494.00
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 | NGB3K045B | Circuit Breaker | 45A | 3-Pole | 600V
Regular price
$3,494.00
Sale price
$3,494.00
Regular price
Unit price
Product description
Shipping
Introducing the Siemens NGB3K045B Circuit Breaker — a robust protection device designed for demanding electrical environments. This 45 A, 3-pole breaker is rated for up to 600 V, delivering reliable short-circuit and overload protection for your three-phase circuits.
Why this Siemens breaker stands out
Specificity you can trust: the part number NGB3K045B is the best reference for compatibility. Before ordering, verify fit and ratings to ensure it matches your panel or switchgear. This unit is ideal for maintenance, retrofit, or replacement projects where exact specifications matter.
Key specifications
- Amperage: 45 A
- Poles: 3-Pole
- Voltage rating: 600 V
- Part number: NGB3K045B
Ideal use cases
- Maintenance and service: swap-in replacements in existing Siemens or compatible panels that require a 45 A, 3-pole, 600 V breaker.
- Retrofit projects: upgrade older gear to a current Siemens specification to maintain alignment with protection schemes.
- Replacement during panel upgrades: when a circuit breaker reaches end-of-life or is discontinued in your current configuration.
Practical notes for procurement and installation:
- Always confirm fit and ratings against your panelboard or switchgear documentation. The part number NGB3K045B is the most reliable reference for compatibility.
- Handle with standard safety practices for energized electrical work and follow manufacturer torque and termination guidelines.
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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
