Mersen TR400R Tri-Onic Class RK5 Time-Delay Fuse, 250V AC, 400A
Real photos | Tested
Shipping
Depends on item size and packaging.
Returns
Limited 14-day coverage on eligible issues.
Local pickup
Available in Taylorsville, UT.
Included and condition
Included
- Mersen TR400R Time-Delay Fuse
- Original packaging
- Condition note: New item
Condition
- Graded New. Use the listing photos for final cosmetic review.
- No major extra issues are called out in the listing text beyond what is shown in the photos.
Pickup and support
Pickup location
5500 S Redwood Rd Ste 203
Taylorsville, UT 84123
Mon-Sat 11AM-6PM
Call or text
Share the SKU at 3857156888 if you want a quick confirmation before ordering or pickup.
Get directionsProduct overview
Discover the Mersen TR400R Tri-Onic Class RK5 Time-Delay Fuse, perfect for those needing reliable protection for motors and transformers. This fuse is rated for 400 Amps at 250V AC, ensuring optimal performance in industrial power distribution circuits. At TamDo.us, we pride ourselves on providing pre-owned electronics with real product photos and clear condition notes. This item is in new condition, ready to ship from Salt Lake City, UT, within 1-2 business days. Enjoy free shipping on orders over $150 and a 14-day return policy for your peace of mind.
Key features
- ✓Genuine Mersen product
- ✓Class RK5 time-delay fuse
- ✓Rated for 400 Amps
- ✓Voltage rating of 250V AC
- ✓Current-limiting protection
- ✓1 fuse per box
Product details
SKU#31634- This product is in "New condition"
Genuine Mersen Tri-Onic Class RK5 Time-Delay Fuse (Part Number TR400R). Rated for 400 Amps at 250V AC. Designed for time-delay current limiting protection for motors, transformers, and industrial power distribution circuits.
Specifications:
- Brand: Mersen
- Series: Tri-Onic
- Part Number: TR400R
- Fuse Class: Class RK5
- Current Rating: 400 Amps
- Voltage Rating: 250V AC
- Type: Time-Delay / Current-Limiting
- Quantity: 1 Fuse per box
- Approvals: UL Listed, CSA Certified, CE, RoHS
- UPC: 792001748159
- Manufacture Date: 11/13/2025
- Assembled in: Mexico
What's included
- 📦Mersen TR400R Time-Delay Fuse
- 📦Original packaging
- 📦Condition note: New item
Confirm exact contents in the product photos. Accessories vary per unit.
🌐 Why buy on TamDo.us
Buying pre-owned electronics on TamDo.us means lower prices than retail without sacrificing quality. We photograph each item in our Utah warehouse so you see exactly what you're buying — not stock images. Orders ship fast (1-2 business days) with tracking, and we offer 14-day returns on material defects. Need to inspect in person? Visit our local store at TamDous.com.
Frequently asked questions
What is the condition of the fuse?
The Mersen TR400R is in new condition.
How long does shipping take?
We ship within 1-2 business days from Salt Lake City, UT.
Is there a return policy?
Yes, we offer a 14-day return policy for your convenience.
What is the voltage rating?
The fuse has a voltage rating of 250V AC.
How many fuses are included?
This product includes 1 fuse per box.
Is there free shipping available?
Yes, we offer free shipping on orders over $150.
