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Product Description & Specifications
Confirm the complete catalog number and application requirements before ordering. The specifications below reflect the product information available for this listing.
- Manufacturer
- Mersen
- Sub-Category
- Low Voltage Fuse
- Series
- Tri-Onic
- Frame
- TR
- Rated current
- 400
- Voltage
- 250V
- Interrupting rating
- 200kA@250V
- Class rating
- RK5
- Barrels
- 1
- Diameter
- 2.56 in
- UPC
- 782001748159
- GTIN
- 00782001748159
- Weight
- 1
Product description & additional details
TR400R
TR400R is a Mersen Class RK5 time delay fuse rated for 400 amps and 250 volts AC/DC with a blade terminal design.
This fuse features a Tri-Onic® time-delay characteristic that safely handles motor starting and transformer inrush currents. It has a high interrupt rating of 200kA at 250 VAC and 20kA at 160 VDC, ensuring reliable current limitation and fast arc quenching. The fuse body is constructed with durable materials for industrial use and includes a rejection-style design to prevent replacement errors. It is UL listed to standard 248-12 and CSA certified for safety and performance.
- Key Specifications
- Amperage: 400 A
- Voltage: 250 VAC / 250 VDC
- Fuse Class: RK5
- Fuse Type: Time Delay
- Interrupt Rating: 200 kA AC / 20 kA DC
- Mounting Style: Blade terminal (holder required)
- Length: 8-5/8 inches (219 mm)
- Diameter: 2-1/16 inches
- Certifications: UL 248-12, CSA C22.2
- Series: TR-R Tri-Onic®
- Part Number: TR400R
- Manufacturer : Mersen
- Brand : Mersen
- Category : Fuse
- Item Subcategory : Low Voltage Fuse
- Family : Tri-Onic
- Type : TR
- Voltage : 250
- Amperage : 400
- AIC rating : 200kA@250V
- Diameter : 2.56
- Class Rating : RK5
- Barrels : 1
- UPC : 782001748159
- GTIN : 00782001748159
- Weight : 1
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Specifications
Product Data
Return eligibility: what to know before ordering
Return requests must be made within 30 days of shipping and require authorization. Used, installed, energized, or tested items are not eligible. A restocking fee of up to 35% may apply. Review the full policy before purchase.
Product-specific restrictions apply. International orders are non-cancellable and non-refundable under the policy.
Warranty supplied by Essential Electric
Warranty coverage is provided by Essential Electric, subject to the product and policy terms. Essential Electric is an independent supplier. Surplus or discontinued inventory may not qualify for the original manufacturer’s warranty.
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