Verified
Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
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Circuit Breaker
Siemens | JD63B400HL | Circuit Breaker | 400A | 3-Pole | 600V
★★★★★
| Amperes | 400 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
Regular price
$510.00
Sale price
$510.00
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 | JD63B400HL | Circuit Breaker | 400A | 3-Pole | 600V
Regular price
$510.00
Sale price
$510.00
Regular price
Unit price
Product description
Shipping
Siemens JD63B400HL Circuit Breaker is a robust protection device designed for demanding three-phase electrical systems. With a 400A rating, 3-pole configuration, and a 600V operating capability, it delivers reliable protection during maintenance, retrofit, or replacement projects where exact specifications matter.
Key specifications
- Amperage: 400A
- Poles: 3-Pole
- Voltage: 600V
- Part number: JD63B400HL
Why choose this Siemens JD63B400HL breaker?
- Designed for high-demand three-phase circuits, providing reliable protection for commercial and industrial panel boards.
- Exact specifications are matched by the JD63B400HL, making it a precise replacement or retrofit option for compatible systems.
- The part-number accuracy (JD63B400HL) simplifies compatibility checks and sourcing, reducing guesswork during maintenance or upgrades.
- Ideal for retrofit projects where a direct, drop-in alternative is required to restore uninterrupted power distribution.
Fit, compatibility and installation tips
Notes: Confirm fit and ratings before ordering. Part number is the best reference for compatibility.
Ideal use cases
- Maintenance and service work on three-phase power distribution panels that accept JD63B400HL breakers.
- Retrofit of aging systems in industrial facilities where higher-current protection is needed without changing panel architecture.
- Replacement for failed or degraded breakers in scenarios demanding a 400A, 3-pole, 600V specification.
What you can expect in practice
When installed in the right, compatible panel, the Siemens JD63B400HL offers dependable protection for three-phase feeders, helping to prevent equipment damage and unplanned downtime. By using the exact JD63B400HL part number as your reference, you simplify ordering and ensure you’re selecting a breaker that aligns with your system’s electrical design and safety requirements. This is a targeted solution for professionals managing industrial power distribution who need a precise, reliable replacement or retrofit option without compromising performance.
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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
