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Circuit Breaker
Westinghouse | MD4K | Circuit Breaker | 800A | 600V
★★★★★
| Part Number | MD4K |
| Amperes | 800 |
| 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 | MD4K | Circuit Breaker | 800A | 600V
Regular price
$310.00
Sale price
$310.00
Regular price
Unit price
Product description
Shipping
Meet the Westinghouse MD4K circuit breaker—a rugged, high-current protective device built for demanding power systems. With an 800A rating and 600V operating capability, the MD4K is tailored for maintenance, retrofit, and replacement scenarios where precise compatibility matters, ensuring reliable shutdown when faults occur and protecting critical loads across your distribution network.
Designed to align with Westinghouse legacy equipment, the MD4K serves as a practical, direct-fit solution for upgrades and service work. It helps you preserve systemic protection without overhauling entire panels, reducing downtime and keeping your electrical infrastructure operating smoothly.
Key specifications
- Amperage: 800A
- Voltage: 600V
- Reference for compatibility: Part number MD4K is the best guide for fitting your equipment
Important note: Confirm fit and ratings before ordering. Use the MD4K part number as the primary reference to ensure your breaker matches your panel or disconnect gear.
Why choose the MD4K
This breaker is purpose-built for environments that rely on Westinghouse specifications, offering consistent performance where high-current protection is essential. By choosing the MD4K, you’re aligning with a proven design that supports stable operation, predictable tripping behavior, and straightforward field replacement—minimizing surprises during maintenance windows.
Ideal use cases
- Maintenance replacements in legacy Westinghouse panels
- Retrofit projects where preserving current protection levels is critical
- Spare parts strategy for service fleets managing high-current distributions
Practical guidance from experienced technicians: keep the panel’s catalog information handy, verify that the 800A/600V ratings match your system load and fault-current requirements, and always have a qualified electrician perform installation. When you rely on the MD4K, you’re choosing a time-tested solution designed to deliver dependable protection for demanding commercial and industrial applications.
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