2 Year Warranty Guaranteed
All items both Re-Certified, and New sold by Essential Electric include a 30 day return policy and a 2-year full warranty. This means that they are guaranteed to be free from defects for a full 2 years from the date that the product was shipped from our warehouse.
Product Questions? Contact Us
Product Info
- Manufacturer:Mersen
- Sub-Category:Fuse Block
Description
64001R
64001R is a Mersen Ferraz Shawmut open style fuse block designed for high-current protection in industrial and commercial applications.
This single-pole, Class R fuse block supports up to 400A at 600V AC/DC, with a robust phenolic body and box lug connections for 250–1000 kcmil wire. It is engineered for direct screw mounting and is compatible with A6D-R, A6K-R, and TRS-R series fuses, offering reliable performance and easy installation.
Key Specifications
- Amperage: 400A
- Voltage: 600V AC/DC
- Poles: 1
- Mounting Type: Threaded (direct screw mount)
- Interrupt Rating: 200 kA short circuit current
- Series/Frame: 64 Series, Open Style
- Trip Unit: Not applicable (fuse block only)
- Certifications: UL 4248-12 (Class R), CSA Class 6225/32169, RoHS Compliant
- Connection: Box lug (Al/Cu 250–1000 kcmil)
- Body Material: Phenolic
- Dimensions: 15 in L x 4 in W x 3-3/4 in H
- Frequency: 50/60 Hz
At Essential Parts, we offer fast shipping, lowest price, and expert support to help you get the right product every time.
Specifications
- Part Number: 64001R
- Manufacturer : Mersen
- Brand : Mersen
- Category : Fuse
- Item Subcategory : Fuse Block
- Type : 640
- Voltage : 600
- Amperage : 400
Product Data
- UPC : 78200175045
- GTIN : 00782001750459
- Weight : 1
You may also like
- Opens in a new window.



