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3G Electric
BUSSMANN KTN-R-250 Fast-Acting Blade Fuse, Class RK1, 250 A, 250 V AC/DC - Fast-Acting Blade Fuses
BUSSMANNFast-Acting Blade Fuses

BUSSMANN KTN-R-250 Fast-Acting Blade Fuse, Class RK1, 250 A, 250 V AC/DC

The BUSSMANN KTN-R Series fuse is a Class RK1, fast-acting blade fuse rated for 250 A at 250 V AC and 250 V DC. This non-indicating fuse, with manufacturer part number KTN-R-250, is designed for overcurrent…

SKU 3G-OTH-26128

Also listed as: KTNR250 · KTN R 250

Brand
BUSSMANN
Item
KTN-R-250 Fast-Acting Blade Fuse, Class RK1, 250 A, 250 V AC/DC
Part Number
KTN-R-250
Category
Fast-Acting Blade Fuses
Available to Order
Also known as:KTN-R-250BUSSMANN
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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
KTN-R-250
Series
KTN-R
Type
KTN-R Series, Fast-Acting, 250 A, Non-Indicating
AC
250 V
DC
250 V

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

Product Description

The BUSSMANN KTN-R Series fuse is a Class RK1, fast-acting blade fuse rated for 250 A at 250 V AC and 250 V DC. This non-indicating fuse, with manufacturer part number KTN-R-250, is designed for overcurrent protection in industrial electrical circuits.

Frequently Asked Questions

What is the BUSSMANN KTN-R-250 fuse used for?

The BUSSMANN KTN-R-250 is a Class RK1 fast-acting blade fuse rated for 250 A at 250 V AC and 250 V DC. It provides overcurrent protection in industrial electrical circuits, such as motor control centers, panelboards, and switchgear, where fast response to short circuits is required.

What are the specifications of the BUSSMANN KTN-R-250 fuse?

The BUSSMANN KTN-R-250 is a Class RK1, fast-acting, non-indicating fuse from the KTN-R series. It is rated for 250 A at 250 V AC and 250 V DC. The manufacturer part number is KTN-R-250, and it is designed for overcurrent protection in industrial applications.

Where to buy the BUSSMANN KTN-R-250 fuse worldwide?

You can source the BUSSMANN KTN-R-250 fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this Class RK1 fast-acting fuse.

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

To select the correct BUSSMANN KTN-R fuse, match the voltage rating (250 V AC/DC) and current rating (250 A) to your circuit requirements. Ensure the Class RK1 fast-acting characteristic suits your overcurrent protection needs. Consult the manufacturer's data sheet for time-current curves and interrupting ratings.

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 fast-acting blade fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Fast-acting blade fuse rated 80 A at 170 V DC. Measures 1 in x 5 7/8 in. Part of the TPN Series. Used for overcurrent protection in DC power distribution systems

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