Open Fuse Block, J UL Class, 600V AC/DC Volt Rating, 1 Poles, Box Lug MPN:6631J
Open Fuse Block, J UL Class, 600V AC/DC Volt Rating, 1 Poles, Box Lug
The Mersen Open Fuse Block is a reliable and versatile solution for electrical applications. Designed for use with Class J fuses, this unit can handle a wide range of currents from 401 to 600 A, making it suitable for various industrial and commercial settings. Its open design and spring-reinforced clip allow for easy installation and maintenance. The block is compatible with multiple fuse series and can accommodate wire sizes from 4 AWG to 500 MCM. Its compact size and bolt-down mounting style make it ideal for use in tight spaces, providing a secure and efficient solution for electrical protection.
Top product features:
- Open Fuse Block design allows for easy access and replacement of fuses
- Supports fuse sizes up to 8 in L x 2 1/2 in dia and 8 in L x 2 19/32 in dia
- Wire range of 4 AWG to 500 MCM allows for flexible connection options
Top product applications:
- Motor Control and Protection Systems
- Power Distribution and Panel Boards
- Electrical Panel Enclosures
- Fuse Block, Fits Fuse Type Class J, Fuse UL Class J, 401 to 600 A, Number of Poles 1, 600V AC/DC, For Fuse Size 8 in L x 2 1/2 in dia, 8 in L x 2 19/32 in dia, Compatible Fuse Series A4J
- AJT
- DFJ
- HSJ
- JKS
- JLS
- JTD
- JTD-ID
- LDFJ
- LPJ
- LPJ-I, Series JFB, Non-Indicating, Non-Rejection, Fuse Block Design Open, Wire Range 4 AWG to 500 MCM, Mounting Style Bolt-Down, Body Material Phenolic, Connector Type Box Lug, Height 4.74 in, Width 4 in, Length 11 in, Spring Reinforced Clip Yes
Additional Information
- Country of Origin: MX
- Drop Ship Item: Yes
- Blind Ship Eligible: No
- LTL Freight Required: No
- Lead Time: Ships in 75 days
- Minimum Order Quantity: 1
- Unit of Measure: EA
- Package Length: 12.30
- Package Width: 7.70
- Package Height: 9.20
- Package Weight: 5.95
Product info last updated on February 27, 2026 9:32am UTC
Category: Fuses and Accessories