Bussman Fusetron FRNR400 Time Delay Fuse, 400A, 250V

Protect your electrical systems with the Bussmann Fusetron FRN-R-400 Time Delay Fuse. This high-performance fuse is designed to provide reliable overcurrent protection in industrial and commercial applications. With a current rating of 400A and a voltage rating of 250V, it ensures safe and effective circuit protection, preventing damage caused by overloads and short circuits.

Key Features:

• Model: Bussmann Fusetron FRN-R-400
• Type: Time Delay Fuse
• Current Rating: 400 Amperes
• Voltage Rating: 250 Volts
• Design: Time delay feature allows the fuse to withstand temporary overcurrent conditions without blowing, providing additional protection and reducing nuisance trips
• Construction: Robust design for durability and reliability in demanding environments
• Application: Ideal for protecting electrical circuits, machinery, and equipment in industrial and commercial settings
• Compliance: Meets industry standards for safety and performance

Why Choose Bussmann Fusetron FRN-R-400?

• Reliable Protection: Provides dependable overcurrent protection to prevent circuit damage and ensure safety.
• Time Delay Feature: Allows for temporary overloads, reducing the risk of unnecessary fuse replacements and system downtime.
• Durable Build: Engineered for longevity and resilience in various operating conditions.
• Versatile Use: Suitable for a wide range of applications, including industrial machinery and commercial equipment.
• Enhanced Safety: Conforms to industry standards for effective and safe operation.

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.