Westinghouse KD3400F Circuit Breaker, 400A, 3Pole, 600V

The Westinghouse KD3400F Circuit Breaker is engineered to provide reliable protection for high-powered industrial electrical systems. With a 400A rating and a 600V capacity, this 3-pole breaker is ideal for heavy-duty applications, ensuring maximum safety and performance.

Key Features:

• Amperage Rating: Rated for 400A, suitable for high-power applications
• Voltage Rating: Operates at 600V, perfect for industrial environments
• 3-Pole Design: Ensures balanced protection across all three phases
• Durable Construction: Built to handle demanding industrial conditions and heavy loads
• Overload and Short Circuit Protection: Offers reliable safeguarding against electrical faults
• Easy Installation: Designed for simple mounting in electrical panels

The Westinghouse KD3400F Circuit Breaker is an excellent choice for protecting critical electrical systems in industrial, commercial, and manufacturing settings. Keep your operations running safely and smoothly with this high-performance circuit breaker.

We ship orders Monday through Friday, excluding holidays. Most in-stock items are processed and shipped within 1–2 business days. Once your order ships, you’ll receive tracking information via email.

Standard Shipping: 2–5 business days (carrier: USPS, UPS, or FedEx depending on item size and destination)

Expedited Shipping: Available upon request. Contact us before ordering.

Freight Shipping: Larger or palletized orders may ship via LTL freight. We’ll contact you directly for delivery coordination.

Shipping Rates:
Shipping costs are calculated at checkout based on weight, dimensions, and destination. For bulk orders or local pickups, please contact us for custom shipping options.

New Products are covered by a 90 Day Warranty. Used Products are sold as is.

   Returns are accepted within 30 days of delivery.
    •    Items (new or used) must be in the same condition as received and include original packaging when possible.
    •    A receipt or proof of purchase is required.
    •    Buyer is responsible for return shipping unless the item is defective or not as described.

 A 20% restocking fee applies to all returns not due to defects or listing errors (e.g., ordered by mistake, no longer needed).
    •    This fee will be deducted from the refund total.