Bussmann JP Class J Pyramid Fu...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$188.57
Bussmann JP Class J Pyramid Fuse Block, 600V, 3-Pole, 30A

Bussmann JP Class J Pyramid Fuse Block, 600V, 3-Pole, 30A

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Model: JP60030-3PR

In Stock (leaves warehouse same day if ordered before 3pm ET)

$188.57
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Bussmann JP60030-3PR Eaton Series JP Class J Pyramid Fuse Block, 600V, 30A

The Bussmann JP60030-3PR is an Eaton series JP pyramid fuse block rated 600 Vac and 600 Vdc at 30A, engineered for reliable overcurrent protection in Class J fuse applications. Built with durable thermoplastic construction and panel mounting, this fuse block features screw/pressure plate terminals for secure, code-compliant wire connections. It is RoHS compliant and designed for use with LPJ, DFJ, and JKS Class J fuses in commercial and industrial electrical systems.

Key Features

  • Amperage Rating: 30A for dependable circuit protection in Class J fuse configurations.
  • Durable Construction: Thermoplastic housing resists wear and supports long-term reliability.
  • Terminal Connection: Screw/Pressure Plate terminals accommodate #14-10 AWG Cu/Al wire for a secure connection.
  • Voltage Rating: 600 Vac, 600 Vdc rating suits demanding power distribution environments.
  • Interrupt Rating: 200 kAIC interrupt rating supports high fault-current applications.
  • Mounting Method: Panel mount configuration for straightforward installation in enclosures and panelboards.
  • Fuse Compatibility: Designed for use with LPJ, DFJ, and JKS Class J fuses.

Certifications & Compliance

  • RoHS Compliant

Technical Specifications

  • Amperage Rating: 30 A
  • Class: Class J
  • Compliances: RoHS Compliant
  • Interrupt Rating: 200 kAIC
  • Mounting Method: Panel
  • Product Height: 2.5 in
  • Product Length Depth: 4 in
  • Product Weight: .753 lb
  • Product Width: 3 in
  • Used With: For use with LPJ, DFJ, JKS fuse
  • Wire Size: #14-10 AWG Cu/Al
  • Product Material: Thermoplastic

Typical Applications

  • Industrial and Commercial Power Distribution Panels
  • Overcurrent Protection for Branch Circuits
  • Panelboard and Switchboard Fuse Mounting
  • Motor Control Centers
  • Renovation and New Electrical Construction

Why Bussmann?

Bussmann by Eaton engineers the JP series pyramid fuse block with thermoplastic construction and a 200 kAIC interrupt rating to deliver dependable, code-compliant overcurrent protection. RoHS compliant and built for use with LPJ, DFJ, and JKS Class J fuses, this fuse block is a trusted choice for professional electrical installations requiring consistent performance.

Manufacturer Resources

Product Specs

Department:
Electrical
Compliances:
RoHS Compliant
Class:
Class J
Wire Size:
#14-10 AWG Cu/Al
Product Material:
Thermoplastic
Used With:
For use with LPJ, DFJ, JKS fuse
Voltage Rating:
600 Vac, 600 Vdc
Product Type:
Fuse Block
Interrupt Rating:
200 kAIC
Product Group:
Circuit Protection
Amperage Rating:
30A
Product Subgroup:
Fuse Holders & Blocks

Bussmann JP60030-3PR – Frequently Asked Questions

1) What wire size can I land on this 30A Class J fuse block?
Terminals accept #14 to #10 AWG, copper or aluminum, through screw/pressure plate connections. If you are pulling #8 or larger for a longer run or a derated conductor, this block will not take it and you need a larger-amp block.
2) I have a 30A Class R fuse block now. Can I drop this Bussmann JP block in as a replacement?
Not as a direct fuse swap. The JP block is clipped for Class J bodies and your existing Class R fuses will not fit it. If you want to stay with Class R fuses and keep the fuses you stock, the Littelfuse LFR60030-3CID is a 600V 30A Class R block. Going to Class J means changing both the block and the fuses.
3) What is the Littelfuse equivalent of the Bussmann JP60030-3PR Class J fuse block?
There is no direct Class J match among the Littelfuse blocks carried here. The JP60030-3PR is a 3-pole, 600V, 30A block built for Class J fuses - LPJ, DFJ, and JKS. The closest Littelfuse part by rating is the LFR60030-3CID, a 600V 30A 3-pole block, but it is a Class R block, so it takes Class RK1/RK5 fuses rather than Class J. Class J and Class R bodies differ in dimension and ferrule design and are not interchangeable in the same clips, so matching the fuse class matters more than matching the amp and voltage numbers.
4) I need a DIN rail mounted fuse block, not a panel mount one. What are my options?
The Bussmann JP60030-3PR is a panel mount block - it fastens to the enclosure backplate rather than clipping onto rail. If the design calls for DIN rail, the Littelfuse LFG60015-1SQDINR is a DIN rail mount block, rated 600V at 15A in Class G. Note that switching to it changes both the fuse class and the amp rating, so the fuse selection and the circuit it protects have to be re-checked rather than carried over.
5) What is the difference between the JP60030-3PR and the JP60030-3PRA?
Both are 3-pole, 600V, 30A Class J pyramid blocks. The difference is the connection option: PR versus PRA. Order by the full part number so you get the terminal arrangement your panel layout expects.
6) How much space do I need in the enclosure for this 3-pole Class J block?
The block measures 2.5 in high, 4 in deep, and 3 in wide, and weighs .753 lb. Allow clearance above it for fuse removal and for the wire bending radius on the #14-10 AWG leads.
7) Do I need a bolt-in fuse block instead of this one?
This JP block is a panel-mount, screw-terminal design for #14-10 AWG conductors, which fits branch circuit work. For larger feeder conductors landed with lugs, a bolt-in block is the usual choice, such as the Littelfuse POWR-BLOKS LD Series with bolt-in mounting.
8) Can I use a Class G fuse block instead of the Bussmann JP Class J block on a 600V 30A circuit?
No. The Littelfuse LFG60015-1SQDINR is a Class G block rated 600V at 15A and is single-pole, so it will not cover a 3-pole 30A circuit and will not accept Class J fuses. The Bussmann JP60030-3PR is rated 30A at 600 Vac and 600 Vdc across three poles and is made for LPJ, DFJ, and JKS Class J fuses. Class G fuses are physically smaller and are limited to lower amperages, so they are a different protection scheme entirely.
9) What should I use if the panel requires bolt-in mounting rather than screw-mounted fuse blocks?
The Bussmann JP60030-3PR mounts to a panel and uses screw/pressure plate terminals sized for #14-10 AWG Cu/Al conductors. For a bolt-in mounting arrangement, the Littelfuse LD Series POWR-BLOKS fuse block is built for bolt-in mounting. Confirm the fuse class and amperage of the LD block you select against the circuit, since the JP series is specifically a Class J block.
10) Does the Littelfuse LFR60030-3CID offer the same fault current withstand as the Bussmann JP60030-3PR?
The Bussmann JP60030-3PR carries a 200 kAIC interrupt rating, which is what lets it be applied on high fault-current services when loaded with current-limiting Class J fuses such as LPJ, DFJ, or JKS. The Littelfuse LFR60030-3CID is a 600V 30A Class R block; Class R rejection clips are designed to accept only current-limiting Class RK fuses, so the withstand on that circuit is governed by the RK fuse selected. If the drawing calls out a Class J fuse by part number, the JP block is the one that holds it.
11) Is the Bussmann JP fuse block RoHS compliant for a spec job?
Yes, the JP series pyramid fuse block is RoHS compliant, which covers the restricted-substance line item on most institutional and government submittals.
12) What is the housing made of, and will it hold up in a motor control center?
The housing is thermoplastic, and the block is used in industrial and commercial power distribution panels, panelboards, switchboards, and motor control centers. With a 200 kAIC interrupting rating behind the Class J fuse, it suits MCC feeders where available fault current is high.
How fast can I get the Bussmann JP60030-3PR delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann JP60030-3PR come with a warranty?
Absolutely. The Bussmann JP60030-3PR is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann JP60030-3PR?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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