Verified
Consistent quality. We’ve added similar items to our regular reorder list.
MRO · Reorder
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
Westinghouse | RKL3400L | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On
★★★★★
| Amperes | 400 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
Regular price
$510.00
Sale price
$510.00
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.
Westinghouse | RKL3400L | Circuit Breaker | 400A | 3-Pole | 600V | Bolt-On
Regular price
$510.00
Sale price
$510.00
Regular price
Unit price
Product description
Shipping
Westinghouse RKL3400L Circuit Breaker — 400A, 3-Pole, 600V, Bolt-On is a purpose-built protective device designed for dependable overcurrent protection in demanding electrical distributions. Identified by the part number RKL3400L, this breaker is ideal for maintenance, retrofit, and replacement projects where exact specs matter.
Core specifications
- Amperage: 400A
- Poles: 3-Pole
- Voltage: 600V
- Mounting: Bolt-On
Why this matters for your system
With a 400A rating, this Westinghouse breaker provides robust protection for high-load 3-phase applications. The three-pole design ensures balanced interruption across all phases, helping prevent uneven faults that can compromise equipment. Bolt-On mounting offers a secure, durable connection that simplifies field installation and service, reducing downtime during maintenance or upgrades. RKL3400L combines trusted Westinghouse engineering with a practical bolt-on format, making it a reliable choice for upgrades and replacements in commercial and industrial panels.
Ideal use cases
- Maintenance: Replace worn or failing breakers in existing 3-phase panel boards.
- Retrofit: Update older electrical systems to current protection standards without wiring changes.
- Replacement: Serve as an exact-match substitute for Westinghouse panels that require the RKL3400L model.
Fit, compatibility, and best practices
Always confirm the fit and ratings before ordering. The part number RKL3400L is the most reliable reference for compatibility with 3-pole, 600V systems using bolt-on mounting. If in doubt, verify panel labeling and bus-bar dimensions to ensure a seamless retrofit or replacement.
Practical installation tips
- Power down the equipment and follow lockout/tagout procedures before servicing.
- Prepare the mounting surface and verify bolt spacing aligns with your panel’s specifications.
- Consult a licensed electrician if you’re unsure about mounting hardware, wiring terminals, or clearance requirements.
What’s included
One Westinghouse RKL3400L circuit breaker (400A, 3-Pole, 600V, bolt-on).
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
Support is responsive when we have questions about fit or application.
Purchasing · Quick answers
Verified
A reliable choice when we need industrial parts on short notice.
Service · Urgent replacement
