Bussmann
0 ratings
Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse
genuine image
Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse
Bussmann series solutions comply with major industrial standards and agency requirements.
Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse
Item #: 77681242

Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse

Item #: 77681242

LSL 4016

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

*All items will import from US

0 ratings Write a review
In stock
us Imported from USA store

QTY:

Order now and get it around Monday, October 05
Secured transactionsecured transaction

Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.

Our Top Logistics Partners
  • fedex
  • dhl
Bussmann series solutions comply with major industrial standards and agency requirements.
U-Care Warranty:
None
Select a Plan
fast shipping

Fast
Shipping

free return

Free
Return*

secure packaging

Secure Packaging

100% original products

100% Original Products

pci-dss

PCI DSS Compliance

iso certified

ISO 27001 Certified

paypal payment
visa payment
mastercard payment
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.

What Stands Out

Fast Acting
Provides immediate protection against current overloads, ensuring quick response times that minimize damage to circuits and electronics, enhancing overall safety and reliability.
Class J Compatibility
Designed for use in Class J fuse applications, offering flexibility in various settings while ensuring compliance with specific electrical requirements for optimal performance.
High Quality
Manufactured with premium materials, the Bussman JKS-300 guarantees long-lasting durability and consistent performance, providing exceptional value and reliability that outshines competitors.

Product Details

Shop for Bussman JKS-300 Limitron Fast Acting Fuse Class J online at Ubuy Lesotho. Get the best deals and fast shipping worldwide.
  • Bussman JKS-300 Limitron Fast Acting Fuse Class J
  • Complies with major industrial standards and agency requirements
  • Standards include BS, IEC, DIN, UL, NEMA, SAE, CSA, CE, C-UL
  • Manufactured at ISO 9000 certified facilities
  • High-quality fuse for industrial applications
  • Fast-acting for quick protection against overcurrent
Brand NameBussmann
ModelJKS-300
UPC051712633000 517126330008
Number of Items1
ManufacturerCooper Bussmann
Unit Count1 Count
Included ComponentsFuse
Item Weight16 ounces (453.6 grams)
Part NumberJKS-300
Mounting TypeThrough-Hole Mount
Item Dimensions7 x 2 x 2 inches (17.8 x 5.1 x 5.1 cm)
Material TypeMetal
Colorsilver
Specification MetIec,iso,nema
BrandBussmann
Item dimensions L x W x H7 x 2 x 2 inches (17.8 x 5.1 x 5.1 cm)
MaterialMetal

Who Should Buy?

Suitable For
  • Industrial Equipment

    Ideal for protecting motors and machinery in industrial settings against overcurrent situations to prevent equipment damage.

  • Electrical Contractors

    Useful for professionals who install and maintain electrical systems requiring reliable overcurrent protection in various applications.

  • Safety-Conscious Users

    Perfect for users looking to enhance electrical safety in their systems by using high-quality, fast-acting fuses.

Not Suitable For
  • Home Appliances

    Not suitable for typical household appliances as they may not require such robust overcurrent protection.

Product Description

Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the purpose of the Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse?

    Answer: The Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse is designed to protect electrical circuits from overloads and short circuits. By providing a rapid response to high current situations, it helps prevent equipment damage and potential hazards. This fuse is ideal for applications in industrial machinery, HVAC systems, and motor control installations, ensuring that your electrical systems remain safe and operational.
  • Question: How do I choose the right fuse rating for my application?

    Answer: Choosing the right fuse rating involves evaluating the load current of your equipment and considering any possible inrush currents during startup. The JKS-300 Limitron Fuse is rated for 300 amps, making it suitable for larger machinery or systems that require robust protection. Always consult the equipment's specifications and installation guidelines to ensure compatibility and optimal performance.
  • Question: Can the Cooper Bussmann JKS-300 fuse be used in residential applications?

    Answer: While primarily designed for commercial and industrial settings, the Cooper Bussmann JKS-300 fuse can be utilized in residential applications where high current protection is necessary. Examples include larger home workshops or specialized equipment that may draw significant current. However, it’s crucial to assess whether the application demands such high ratings before installation.
  • Question: What does 'fast acting' mean in the context of fuses?

    Answer: A 'fast acting' fuse, such as the JKS-300, is designed to interrupt the circuit quickly in the event of a fault, minimizing the risk of equipment damage. This is especially important in sensitive electronics or high-value machinery where even brief overcurrent situations can lead to severe consequences. They are used in applications where immediate disconnection from the power source is critical.
  • Question: Are Cooper Bussmann Limitron fuses reusable?

    Answer: No, the Cooper Bussmann Limitron fuses, including the JKS-300 model, are single-use devices. Once a fuse blows due to a fault, it needs to be replaced to restore circuit integrity. This feature is essential, as these fuses are designed to provide immediate protection; thus, they cannot be reset or reused. Ensure to keep spare fuses on hand to minimize downtime.
  • Question: What are the typical applications for the JKS-300 fuse?

    Answer: The JKS-300 Limitron Fuse is commonly utilized in various industrial applications such as motor controls, panelboards, and heavy machinery. It is particularly effective in scenarios where equipment requires reliable overcurrent protection. By preventing excessive currents from causing damage, the JKS-300 provides peace of mind for operators and owners of electrical systems.
  • Question: How do I install the JKS-300 Limitron Fuse properly?

    Answer: Installing the JKS-300 Limitron Fuse requires basic electrical knowledge. First, ensure that the power is turned off before installation. Remove the blown fuse and insert the new JKS-300 fuse into the designated holder, ensuring a snug fit to ensure proper electrical contact. Always recheck that connections are tight to maintain safety and performance.
  • Question: Is the JKS-300 fuse suitable for use in high humidity environments?

    Answer: Yes, the Cooper Bussmann JKS-300 fuse can perform well in high humidity environments due to its robust design. However, it is essential to ensure that the surrounding electrical equipment is also rated for such conditions. Using this fuse in environments like outdoor facilities or near water sources requires checking that enclosures are appropriately sealed to prevent damage and maintain optimal functionality.
  • Question: What features make the Limitron Class J fuses preferable?

    Answer: The Limitron Class J fuses, including the JKS-300, are known for their high interrupting capacity and quick response time. These features make them a preferred choice for scenarios where protecting valuable electrical components is crucial. Their design is optimized for industrial applications, ensuring that they meet the rigorous demands of modern electrical systems efficiently.
  • Question: Where can I buy Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse?

    Answer: You can purchase the Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse from Ubuy, which offers a wide selection of electrical components. Ubuy provides an easy way to browse and find specific fuses like the JKS-300, along with detailed product descriptions and availability information to assist you in your purchase.

Bussmann Cartridge Fuses Editorial Review

Cooper Bussmann JKS-300 Limitron Class J Fast Acting Fuse is designed for high-performance circuit protection with a robust metal construction and a through-hole mounting type. This fuse guarantees reliability with IEC, ISO, and NEMA specifications met, ensuring your electrical systems operate smoothly. Its compact dimensions of 7 x 2 x 2 inches make it suitable for various applications, providing efficient and space-saving protection. Users appreciate its effectiveness in preventing electrical overloads and faults, making it a trusted choice for contractors and DIY enthusiasts alike.

Customer Reviews & Ratings

1 customers ratings
  • 5 Star
    100%
  • 4 Star
    0%
  • 3 Star
    0%
  • 2 Star
    0%
  • 1 Star
    0%

Review this product

Share your thoughts with other customers

Pros

  • Reliable metal construction for durability
  • Meets IEC, ISO, and NEMA specifications
  • Compact dimensions fit various applications
  • Designed for high-performance circuit protection
  • Fast acting for immediate fault response

Cons

  • May require specific mounting equipment for installation

Platform Trust & Buyer Confidence

trustpilot logo
4.2/5 9477 reviews
Read reviews
JK
Jasmin
Verified buyer

“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot
AG
Anke
Verified buyer

“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot
H
Hazel
Verified buyer

“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer

“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

11 September 2026 · via Trustpilot
AC
Adele
Verified buyer

“Easy to find and order what you want on the website. Delivery is quick to the UK”

8 September 2026 · via Trustpilot
Secure Checkout Global Delivery Easy Returns Genuine Products

Product Price History

Important information

  • Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
  • Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.

LSL 4016

Order now and get it around Monday, October 05

QTY:

Secured transactionsecured transaction

PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.

Our Top Logistics Partners
  • fedex
  • dhl
Fastest cross-border delivery

Features & Benefits

  • Compliant with major industrial standards and agency requirements
  • Manufactured at ISO 9000 certified facilities

Ubuy Assurance

Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.