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BUSSMANN Medium Voltage Fuse: JCK Series, R-Rated, 2.54 kV AC, 390 A, Time-Delay - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Medium Voltage Fuse: JCK Series, R-Rated, 2.54 kV AC, 390 A, Time-Delay

The BUSSMANN JCK Series is a medium-voltage, time-delay cylindrical fuse, R-rated at 2.54 kV AC and 390 A (MPN JCK-18R). This indicating fuse is designed for overcurrent protection in industrial electrical systems.

SKU 3G-OTH-25529

Brand
BUSSMANN
Item
Medium Voltage Fuse: JCK Series, R-Rated, 2.54 kV AC, 390 A, Time-Delay
Category
Time-Delay Cylindrical Fuses
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Technical Specifications

BUSSMANN
Manufacturer Part Number
JCK-18R
Series
JCK
Type
R-Rated, 2.54 kV AC, 390 A, Time-Delay, Indicating
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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN JCK Series is a medium-voltage, time-delay cylindrical fuse, R-rated at 2.54 kV AC and 390 A (MPN JCK-18R). This indicating fuse is designed for overcurrent protection in industrial electrical systems.

Frequently Asked Questions

What is the BUSSMANN JCK-18R medium voltage fuse used for?

The BUSSMANN JCK-18R is an R-rated, time-delay indicating fuse used for overcurrent protection in medium-voltage industrial electrical systems. It is designed to safeguard motors, transformers, and switchgear in manufacturing plants, utilities, and commercial facilities where reliable fault isolation is critical.

What are the specifications of the BUSSMANN JCK-18R fuse?

The BUSSMANN JCK-18R is a JCK Series medium-voltage fuse rated at 2.54 kV AC and 390 A. It features R-rating, time-delay characteristics, and an indicating function. The manufacturer part number is JCK-18R, and it is a cylindrical, time-delay fuse for overcurrent protection.

Where to buy BUSSMANN JCK-18R fuses worldwide?

3G Electric supplies the BUSSMANN JCK-18R fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this medium-voltage fuse.

How to select the correct BUSSMANN JCK-18R fuse for an application?

To select the BUSSMANN JCK-18R, verify your system voltage does not exceed 2.54 kV AC and the continuous current rating matches 390 A. Confirm the R-rating and time-delay characteristic suit your motor or transformer protection scheme. Consult a qualified engineer for coordination studies.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses

BUSSMANN Products

3G Electric supplies BUSSMANN time-delay cylindrical fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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