JKS-20 Eaton Bussmann JKS-20 is a 20A, 600VAC fast-acting Class J cartridge fuse with 200kA breaking capacity. Suitable for electrical and industrial applications.
Mfr Part #:

JKS-20

Available from 1 distributors
Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
Eaton Bussmann JKS-20 is a 20A, 600VAC fast-acting Class J cartridge fuse with 200kA breaking capacity. Suitable for electrical and industrial applications.
Total Stock: 6 pcs
$ Price Range: $112.29

JKS-20 Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
6 pcs
6 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

JKS-20 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Approval Agency
Automotive Grade
Breaking Capacity @ Rated Voltage
Class
Current Rating (Amps)
Fuse Type
Medical Grade
Military Grade
Mounting Type
Response Time
Voltage Rating

JKS-20 Description

Short technical summary and product information.

The Eaton Bussmann JKS-20 is a Class J fast-acting cartridge fuse rated for 20A at 600VAC. It offers a high breaking capacity of 200kA, making it suitable for protecting circuits with high fault currents.

 

This fuse features a fast blow response time, providing rapid overcurrent protection. It is approved by CE, CSA, and UL, ensuring compliance with international safety standards.

 

The JKS-20 has a cartridge, non-standard package with dimensions of 0.810" diameter by 2.250" length (20.57mm x 57.15mm). It requires a holder for mounting, typical for Class J fuses used in industrial and electrical distribution equipment.

JKS-20 Quick Information

Product Type: Cartridge Fuse
Series: J
Canonical Name: Eaton Bussmann JKS-20 Class J Fast-Acting Cartridge Fuse, 20A, 600VAC, 200kA Breaking Capacity
Subcategory: Cartridge Fuse

JKS-20 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

JKS-20 Estimated Pricing

Qty Low High
10+ $112.29 $112.29

Estimated market price range - modelled values for guidance only, not live distributor offers.

JKS-20 Features

  • Fast-acting Class J cartridge fuse.
  • Rated for 20A at 600VAC operation.
  • High breaking capacity of 200kA.
  • Approved by UL, CSA, and CE.
  • Requires holder for mounting.

JKS-20 Applications

  • Protects industrial motor control circuits.
  • Used in transformer and panelboard protection.
  • Suitable for electrical distribution systems.
  • Ideal for high fault current environments.

JKS-20 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the JKS-20 fuse?

20A.

What is the voltage rating?

600VAC.

What is the breaking capacity?

200kA at rated voltage.

What is the response time?

Fast blow (fast-acting).

What is the package type?

Cartridge, Non-Standard.

What approvals does the JKS-20 have?

CE, CSA, UL.

What class is this fuse?

Class J.

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