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BUSSMANN FRN-R-350 Time-Delay Blade Fuse - Time-Delay Blade Fuses
BUSSMANNTime-Delay Blade Fuses

BUSSMANN FRN-R-350 Time-Delay Blade Fuse

The BUSSMANN FRN-R-350 is a Class RK5 time-delay blade fuse from the FRN-R Series, rated at 350 A with 250 V AC and 250 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial…

SKU 3G-OTH-27053

Also listed as: FRNR350 · FRN R 350

Brand
BUSSMANN
Item
FRN-R-350 Time-Delay Blade Fuse
Part Number
FRN-R-350
Category
Time-Delay Blade Fuses
Available to Order
Also known as:FRN-R-350BUSSMANN
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BUSSMANN
Manufacturer Part Number
FRN-R-350
Series
FRN-R
Type
FRN-R Series, Time-Delay, 350 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 FRN-R-350 is a Class RK5 time-delay blade fuse from the FRN-R Series, rated at 350 A with 250 V AC and 250 V DC capacity. This non-indicating fuse is designed for overcurrent protection in industrial electrical systems, supporting sustained inrush loads without nuisance opening.

Frequently Asked Questions

What is the BUSSMANN FRN-R-350 fuse used for?

The BUSSMANN FRN-R-350 is a Class RK5 time-delay fuse rated 350 A at 250 V AC/DC. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads in industrial power distribution, control panels, and heavy machinery.

What are the specifications of the BUSSMANN FRN-R-350 fuse?

The BUSSMANN FRN-R-350 is a Class RK5, time-delay, non-indicating blade fuse rated 350 A, 250 V AC and 250 V DC. It belongs to the FRN-R series and is designed for branch-circuit protection with high interrupting capacity.

Where to buy the BUSSMANN FRN-R-350 fuse worldwide?

3G Electric supplies the BUSSMANN FRN-R-350 fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this Class RK5 time-delay fuse.

How to select the correct BUSSMANN FRN-R series fuse for a motor circuit?

Select the FRN-R series fuse based on motor full-load current and starting characteristics. The time-delay feature handles inrush without nuisance opening. For a 350 A rating like the FRN-R-350, verify voltage (250 V AC/DC) and ensure Class RK5 rejection clips are used.

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 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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