Verified
Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
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Circuit Breaker
Westinghouse | LB3400F | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On
★★★★★
| Part Number | LB3400F |
| Amperes | 400 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
Regular price
$310.00
Sale price
$310.00
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.
Westinghouse | LB3400F | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
Product description
Shipping
Meet the Westinghouse LB3400F Circuit Breaker — a purpose-built protection device designed for demanding electrical environments. This 400A, 3-pole, 600V bolt-on breaker delivers reliable overcurrent protection for commercial and industrial panels, ensuring your system stays safeguarded under heavy load.
- Amperage: 400A
- Poles: 3-Pole
- Voltage rating: 600V
- Mounting: Bolt-On
This unit is ideal for maintenance, retrofit, and replacement projects where you need to match exact specifications. The LB3400F is designed to slot into compatible panels, and the part number LB3400F is the most reliable reference for compatibility. Before ordering, confirm fit and ratings to ensure seamless operation in your system.
- Secure bolt-on mounting provides a robust mechanical and electrical connection in rugged installations
- Precisely rated for 400A, 3-pole, 600V service, aligning with common industrial and commercial panel requirements
- Built for reliability in follow-up maintenance and panel retrofits where exact specifications matter
Use cases and practical applications:
- Retrofits in aging electrical systems that require a 400A, 3-pole, 600V protection device
- Replacement for panels needing a bolt-on circuit breaker with matching performance
- New installations in systems designed around a 3-pole, 400A protection strategy
- Always verify panel compatibility using the exact part number LB3400F to ensure proper fit
- Follow standard electrical safety practices and refer to panel manufacturer guidelines when installing a bolt-on breaker
- Maintain a spare LB3400F on hand for proactive maintenance in high-demand facilities
Choosing the Westinghouse LB3400F means opting for a trusted, spec-matched solution that keeps high-demand electrical systems protected with clear, dependable performance. If the project requires a 400A, 3-pole, 600V bolt-on circuit breaker, this model is engineered to meet those exact specifications and support reliable, long-term operation.
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What Our Customers Say
General feedback we often hear from customers purchasing industrial electrical parts.
Verified
Packaging was secure and the item arrived clean and ready for installation.
Electrical contractor · GTA
Verified
We’ve used this type on multiple jobs and it’s been reliable so far.
Panel shop · Canada/US
