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BUSSMANN JCU-400E E-Rated Time-Delay Cylindrical Fuse - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN JCU-400E E-Rated Time-Delay Cylindrical Fuse

The BUSSMANN JCU Series is a time-delay cylindrical fuse, specifically an E-rated medium voltage fuse. This model, the JCU-400E, is rated for 400 A at 5.5 kV AC and features an indicating function.

SKU 3G-OTH-129881

Also listed as: JCU400E · JCU 400E

Brand
BUSSMANN
Item
JCU-400E E-Rated Time-Delay Cylindrical Fuse
Part Number
JCU-400E
Category
Time-Delay Cylindrical Fuses
Available to Order
Also known as:JCU-400EBUSSMANN
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Local office
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Phone
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Technical Specifications

BUSSMANN
Manufacturer Part Number
JCU-400E
Type
E-Rated, Time-Delay, 400 A, 5.5 kV AC, Indicating

Technical Documents

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BUSSMANN Products
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Product Description

The BUSSMANN JCU Series is a time-delay cylindrical fuse, specifically an E-rated medium voltage fuse. This model, the JCU-400E, is rated for 400 A at 5.5 kV AC and features an indicating function.

Frequently Asked Questions

What is the BUSSMANN JCU-400E medium voltage fuse used for?

The BUSSMANN JCU-400E is an E-rated, time-delay cylindrical fuse designed for medium voltage circuit protection in industrial power distribution systems. It is commonly used in motor starters, transformers, and switchgear to safely interrupt overcurrents up to 5.5 kV AC.

What are the specifications of the BUSSMANN JCU-400E fuse?

The BUSSMANN JCU-400E is a JCU Series, E-rated, time-delay medium voltage fuse rated for 400 A at 5.5 kV AC. It features an indicating function for visual blown-fuse detection. The manufacturer part number is JCU-400E, and it is a cylindrical fuse type.

Where to buy the BUSSMANN JCU-400E fuse worldwide?

3G Electric supplies the BUSSMANN JCU-400E fuse worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fuse to any country.

How to select the correct BUSSMANN JCU-400E fuse for an application?

To select the correct BUSSMANN JCU-400E fuse, verify your system voltage does not exceed 5.5 kV AC and the continuous current rating matches 400 A. Ensure the E-rated time-delay characteristic suits your load, such as motor or transformer inrush. Consult the BUSSMANN application guide for coordination.

Used in

Common applications for BUSSMANN
Industrial drives — BUSSMANN FWC series fast-acting cylindrical fuses protect power semiconductors in AC/DC drive circuits.
Control transformers — BUSSMANN FNQ-R series time-delay fuses handle inrush currents in control power circuits.
Semiconductor protection — BUSSMANN KAC series bolt-on fuses safeguard diodes, thyristors, and IGBTs in AC-only applications.
Electrical panels — BUSSMANN FP-2, FP-3, FP-4, and FP-6 fuse pullers enable safe fuse replacement in distribution panels.
Automotive electrical systems — BUSSMANN FP-A3 fuse puller removes and installs 1/4 in and 1/2 in automotive fuses.
Power supplies — BUSSMANN FWC series fuses provide overcurrent protection in AC/DC power supply circuits.
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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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