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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 40 A, 600 V AC, 250 V DC - Time-Delay Cylindrical Fuses
BUSSMANNTime-Delay Cylindrical Fuses

BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 40 A, 600 V AC, 250 V DC

The BUSSMANN Fuse is a Class RK5, FRS-R Series, Time-Delay Cylindrical Fuse rated at 40 A, 600 V AC and 250 V DC, non-indicating (MPN FRS-R-40). This OEM-specified component provides overcurrent protection with…

SKU 3G-OTH-26243

Also listed as: FRSR40 · FRS R 40

Brand
BUSSMANN
Item
Fuse: Class RK5, FRS-R Series, Time-Delay, 40 A, 600 V AC, 250 V DC
Category
Time-Delay Cylindrical Fuses
Available to Order
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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
FRS-R-40
Series
FRS-R
Type
FRS-R Series, Time-Delay, 40 A, Non-Indicating
AC
600 V
DC
250 V

Technical Documents

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

Product Description

The BUSSMANN Fuse is a Class RK5, FRS-R Series, Time-Delay Cylindrical Fuse rated at 40 A, 600 V AC and 250 V DC, non-indicating (MPN FRS-R-40). This OEM-specified component provides overcurrent protection with time-delay characteristics for industrial circuits.

Frequently Asked Questions

What is a BUSSMANN FRS-R-40 fuse used for?

The BUSSMANN FRS-R-40 is a Class RK5 time-delay fuse rated 40 A, 600 V AC / 250 V DC. It protects motors, transformers, and other inductive loads from short circuits and sustained overloads in industrial control panels and power distribution.

What are the specifications of the BUSSMANN FRS-R-40 fuse?

The BUSSMANN FRS-R-40 is a non-indicating, time-delay cylindrical fuse from the FRS-R Series. It is rated 40 A, 600 V AC and 250 V DC. The manufacturer part number is FRS-R-40. It is designed for Class RK5 applications.

Where to buy a BUSSMANN FRS-R-40 fuse worldwide?

3G Electric supplies the BUSSMANN FRS-R-40 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 right BUSSMANN FRS-R fuse for a motor circuit?

Select a BUSSMANN FRS-R fuse by matching the voltage (600 V AC or 250 V DC) and the full-load current of the motor. The time-delay feature handles inrush current. Always consult the motor nameplate and local code for proper sizing.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 6.25 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-6-1/4)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 6.25 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-6-1/4)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 1.4 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-1-4/10)
BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 1.8 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-1-8/10)
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BUSSMANN Fuse: Class RK5, FRS-R Series, Time-Delay, 1.8 A, 600 V AC, 300 V DC, Non-Indicating (MPN FRS-R-1-8/10)

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