Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 4.8 kV AC, 390 A, Time-Delay - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 4.8 kV AC, 390 A, Time-Delay

The BUSSMANN ACLS Series is a time-delay cylindrical fuse, specifically an R-rated medium voltage fuse with a 4.8 kV AC rating and 390 A capacity. This indicating fuse, model 5ACLS-18R, is designed for overcurrent…

SKU 3G-OTH-25522

Also listed as: 5ACLS18R · 5ACLS 18R

Brand
BUSSMANN
Item
Medium Voltage Fuse: ACLS Series, R-Rated, 4.8 kV AC, 390 A, Time-Delay
Category
Time-Delay Cylindrical Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BUSSMANN
Manufacturer Part Number
5ACLS-18R
Series
ACLS
Type
R-Rated, 4.8 kV AC, 390 A, Time-Delay, Indicating

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN ACLS Series is a time-delay cylindrical fuse, specifically an R-rated medium voltage fuse with a 4.8 kV AC rating and 390 A capacity. This indicating fuse, model 5ACLS-18R, is designed for overcurrent protection in medium voltage applications.

Frequently Asked Questions

What is the BUSSMANN ACLS Series medium voltage fuse used for?

The BUSSMANN ACLS Series fuse, model 5ACLS-18R, is used for overcurrent protection in medium voltage applications. It is an R-rated, time-delay, indicating fuse rated at 4.8 kV AC and 390 A, commonly employed in motor circuits and transformer protection.

What are the specifications of the BUSSMANN 5ACLS-18R fuse?

The BUSSMANN 5ACLS-18R is an R-rated, time-delay, indicating medium voltage fuse from the ACLS Series. It has a voltage rating of 4.8 kV AC and a current rating of 390 A. The fuse is cylindrical and designed for overcurrent protection in industrial settings.

Where to buy BUSSMANN medium voltage fuses worldwide?

You can source BUSSMANN medium voltage fuses, including the ACLS Series 5ACLS-18R, through 3G Electric. We handle full logistics, customs clearance, and delivery worldwide as a global industrial equipment distributor established in 1990.

How to select the correct BUSSMANN R-rated fuse for my application?

To select the correct BUSSMANN R-rated fuse, match the voltage (e.g., 4.8 kV AC) and current rating (e.g., 390 A) to your circuit requirements. The ACLS Series offers time-delay characteristics for motor starts. Consult the manufacturer's data sheet 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 4.8 kV AC, 150 A, Time-Delay, Indicating (MPN 5ACLS-5R)
BUSSMANN
BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 4.8 kV AC, 150 A, Time-Delay, Indicating (MPN 5ACLS-5R)
BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 4.8 kV AC, 450 A, Time-Delay, Indicating (MPN 5ACLS-24R)
BUSSMANN
BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 4.8 kV AC, 450 A, Time-Delay, Indicating (MPN 5ACLS-24R)
BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 4.8 kV AC, 100 A, Time-Delay, Indicating (MPN 5ACLS-3R)
BUSSMANN
BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 4.8 kV AC, 100 A, Time-Delay, Indicating (MPN 5ACLS-3R)
BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 5.5 kV AC, 230 A, Time-Delay, Indicating (MPN 5ACLS-12R)
BUSSMANN
BUSSMANN Medium Voltage Fuse: ACLS Series, R-Rated, 5.5 kV AC, 230 A, Time-Delay, Indicating (MPN 5ACLS-12R)
BUSSMANN
BUSSMANN
BUSSMANN Medium Voltage Fuse: CLS Series, R-Rated, 4.8 kV AC, 450 A, Time-Delay, Indicating (MPN 5CLS-24R)
BUSSMANN
BUSSMANN
BUSSMANN Medium Voltage Fuse: CLS Series, R-Rated, 4.8 kV AC, 650 A, Time-Delay, Indicating (MPN 5CLS70-36R)

More from BUSSMANN

View all BUSSMANN parts
BUSSMANN Fuse: Class RK5, FRN-R-ID Series, Time-Delay, 45 A, 250 V AC, 125 V DC, Indicating (MPN FRN-R-45ID)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R-ID Series, Time-Delay, 45 A, 250 V AC, 125 V DC, Indicating (MPN FRN-R-45ID)
BUSSMANN Fuse: Class RK5, FRN-R-ID Series, Time-Delay, 30 A, 250 V AC, 125 V DC, Indicating (MPN FRN-R-30ID)
BUSSMANN
BUSSMANN Fuse: Class RK5, FRN-R-ID Series, Time-Delay, 30 A, 250 V AC, 125 V DC, Indicating (MPN FRN-R-30ID)
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 30 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-30)
BUSSMANN
BUSSMANN Fuse: FNM Series, Midget, Time-Delay, 30 A, 250 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNM-30)
BUSSMANN Fuse: FNQ Series, Midget, Time-Delay, 125 mA, 500 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNQ-1/8)
BUSSMANN
BUSSMANN Fuse: FNQ Series, Midget, Time-Delay, 125 mA, 500 V AC, 13/32 in x 1 1/2 in, Non-Indicating (MPN FNQ-1/8)
BUSSMANN Fuse: GMC Series, Time-Delay, 4 A, 125 V AC, 5 mm x 20 mm (MPN GMC-4-R)
BUSSMANN
BUSSMANN Fuse: GMC Series, Time-Delay, 4 A, 125 V AC, 5 mm x 20 mm (MPN GMC-4-R)
BUSSMANN Fuse: S505 Series, Time-Delay, 800 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-800-R)
BUSSMANN
BUSSMANN Fuse: S505 Series, Time-Delay, 800 mA, 250 V AC, Non-Indicating, 5 mm x 20 mm (MPN S505-800-R)
BUSSMANN Fuse: MDL Series, Time-Delay, 3.2 A, 250 V AC, 1/4 in x 1 1/4 in (MPN MDL-3-2/10-R)
BUSSMANN
BUSSMANN Fuse: MDL Series, Time-Delay, 3.2 A, 250 V AC, 1/4 in x 1 1/4 in (MPN MDL-3-2/10-R)
BUSSMANN Medium Voltage Fuse: JCW Series, E-Rated, Time-Delay, 2 A, 5.5 kV AC, Non-Indicating (MPN JCW-2E)
BUSSMANN
BUSSMANN Medium Voltage Fuse: JCW Series, E-Rated, Time-Delay, 2 A, 5.5 kV AC, Non-Indicating (MPN JCW-2E)