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BUSSMANN Fuse: Class CF, FCF Series, Fast-Acting, 40 A, 600 V AC, 600 V DC - Fast-Acting Cube Fuses
BUSSMANNFast-Acting Cube Fuses

BUSSMANN Fuse: Class CF, FCF Series, Fast-Acting, 40 A, 600 V AC, 600 V DC

The BUSSMANN FCF Series FCF40RN is a Class CF fast-acting cube fuse rated for 40 A at 600 V AC and 600 V DC. This non-indicating fuse from BUSSMANN provides overcurrent protection in a compact cube form factor.

SKU 3G-OTH-25087

Brand
BUSSMANN
Item
Fuse: Class CF, FCF Series, Fast-Acting, 40 A, 600 V AC, 600 V DC
Category
Fast-Acting Cube Fuses
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BUSSMANN
Manufacturer Part Number
FCF40RN
Series
FCF
Type
FCF Series, Fast-Acting, 40 A, Non-Indicating
AC
600 V
DC
600 V

Technical Documents

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

Product Description

The BUSSMANN FCF Series FCF40RN is a Class CF fast-acting cube fuse rated for 40 A at 600 V AC and 600 V DC. This non-indicating fuse from BUSSMANN provides overcurrent protection in a compact cube form factor.

Frequently Asked Questions

What is the BUSSMANN FCF40RN fuse used for?

The BUSSMANN FCF40RN is a Class CF fast-acting cube fuse used for overcurrent protection in industrial equipment, motor control centers, and power distribution systems. It handles 40 A at 600 V AC or DC, making it suitable for high-voltage circuits requiring rapid response to faults.

What are the specifications of the BUSSMANN FCF40RN?

The BUSSMANN FCF40RN is a Class CF, FCF Series, fast-acting, non-indicating cube fuse rated for 40 A at 600 V AC and 600 V DC. It is manufactured by BUSSMANN under MPN FCF40RN and comes in a compact cube form factor for panel or enclosure mounting.

Where to buy the BUSSMANN FCF40RN worldwide?

3G Electric supplies the BUSSMANN FCF40RN fuse worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this Class CF fast-acting fuse.

How to select the correct BUSSMANN FCF40RN fuse for an application?

To select the BUSSMANN FCF40RN, verify your circuit voltage does not exceed 600 V AC or DC and the continuous current is 40 A or less. This fast-acting fuse is ideal for protecting sensitive electronics or motor circuits where rapid interruption of overcurrent is required.

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 fast-acting cube 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 CF, TCF Series, Time-Delay, 50 A, 600 V AC, 300 V DC, Non-Indicating (MPN TCF50RN)
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BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 50 A, 600 V AC, 300 V DC, Non-Indicating (MPN TCF50RN)
BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 20 A, 600 V AC, 300 V DC, Non-Indicating (MPN TCF20RN)
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BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 20 A, 600 V AC, 300 V DC, Non-Indicating (MPN TCF20RN)
BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 3 A, 600 V AC, 300 V DC, Non-Indicating (MPN TCF3RN)
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BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 3 A, 600 V AC, 300 V DC, Non-Indicating (MPN TCF3RN)
BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 150 A, 600 V AC, 300 V DC, Indicating (MPN TCF150)
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BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 150 A, 600 V AC, 300 V DC, Indicating (MPN TCF150)
BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 40 A, 600 V AC, 300 V DC, Indicating (MPN TCF40)
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BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 40 A, 600 V AC, 300 V DC, Indicating (MPN TCF40)
BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 30 A, 600 V AC, 300 V DC, Non-Indicating (MPN TCF30RN)
BUSSMANN
BUSSMANN Fuse: Class CF, TCF Series, Time-Delay, 30 A, 600 V AC, 300 V DC, Non-Indicating (MPN TCF30RN)

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BUSSMANN Fuse: Class CF, FCF Series, Fast-Acting, 60 A, 600 V AC, 600 V DC, Non-Indicating (MPN FCF60RN)
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BUSSMANN Fuse: Class CF, FCF Series, Fast-Acting, 60 A, 600 V AC, 600 V DC, Non-Indicating (MPN FCF60RN)
BUSSMANN Fuse: Class CF, FCF Series, Fast-Acting, 20 A, 600 V AC, 600 V DC, Non-Indicating (MPN FCF20RN)
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BUSSMANN Fuse: Class CF, FCF Series, Fast-Acting, 20 A, 600 V AC, 600 V DC, Non-Indicating (MPN FCF20RN)
BUSSMANN Fuse: Class CF, FCF Series, Fast-Acting, 30 A, 600 V AC, 600 V DC, Non-Indicating (MPN FCF30RN)
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BUSSMANN Fuse: Class CF, FCF Series, Fast-Acting, 30 A, 600 V AC, 600 V DC, Non-Indicating (MPN FCF30RN)