Skip to content
Product Not Available
** Picture is for identification purposes only and may not represent the actual amperage of the product listed **

JJS-300 - 300Amp Fuse

  • 300 Amp
  • 200 kA @ 600 V.AC Volts AC
FusesSKU: JJS-300

Purchase Options:

JJS-300 - 300Amp Fuse Description

JJS-300 - 300Amp Fuse

The Eaton Bussmann JJS-300 series is a compact yet powerful 300A, 600V Class T fuse with a 200 kAIC interrupting rating at 600VAC. Ideal for electricians and maintenance teams, it highlights key specs like amperage, voltage, and fuse class for easy comparison. While it's built to last, choose the right fuse by matching its ratings and dimensions to your equipment's needs. The JJS-300 is a reliable choice in a small package!

Key Features and Benefits

  • 300A Class T fuse: Clearly defined 300-amp rating for equipment designed to use this specific fuse class and amperage.
  • 600V voltage rating: Provides an important electrical specification to compare directly with application requirements.
  • Bolted blade connection: Uses a bolted blade-to-bolted blade configuration, making the connection style easy to verify against existing equipment.
  • Non-indicating design: Does not incorporate a built-in visual fuse-status indicator.

Technical Specifications

  • Product Name: Eaton Bussmann Series JJS Fuse
  • Catalog Number: JJS-300
  • Product Type: Fuse
  • Fuse Class: Class T
  • Amperage Rating: 300A
  • Voltage Rating: 600V
  • Interrupt Rating: 200 kAIC at 600VAC
  • Connection: Bolted Blade End x Bolted Blade End
  • Fuse Indicator: Non-Indicating
  • Special Feature: Non-Indicating
  • Product Length/Depth: 3.63 in.
  • Product Height: 1.00 in.
  • Product Width: 1.00 in.
  • Product Weight: 0.5 lb.
  • UPC: 051712628303

Material Compliance and Certifications

According to the supplied manufacturer specifications, the JJS-300 is CE Marked and RoHS Compliant. This catalog number includes documentation for these compliance designations.

Where It Works Best

The Eaton Bussmann JJS-300 is best suited to compatible electrical equipment that specifically requires a 300A Class T fuse rated at 600V, with a 200 kAIC interrupting rating at 600VAC and a bolted blade-to-bolted blade connection. Also compare its 3.63 x 1.00 x 1.00-inch dimensions with the physical requirements of the intended fuse mounting location.


Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.

Eaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Edison®, Edison Fuse®, GTE Sylvania®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are NOT supplied by Eaton Corporation plc or its affiliates.

Specifications

  • Width:1.593
  • Depth:1.593
  • Height:3.675
  • Amperes:300
  • A.I.C. Rating & Volts:200 kA @ 600 V.AC
  • Type:JJS
  • Additional Notes:Knife-blade Style, Non-Indicating, Very Fast-Acting, current-limiting Class T Fuse

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE ground shipping on breaker orders over $100 and all other items with orders over $500.

Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.

If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

Similar Products

Why Us?

Free Shipping

Free shipping on breaker orders over $100*

100k+ Happy Customers

4.9 Google rating

Secure Shopping

Feel protected with every transaction