Eaton Bussmann

Bussmann FWP-40A14F High-Speed Fuse

SKU: LL1-BSM-FWP-40A14F

$13.28

Available

PRODUCT GALLERY 01 / 1

✓ Product images for part identification

Eaton Bussmann

Bussmann FWP-40A14F High-Speed Fuse

SKU: LL1-BSM-FWP-40A14F

PRODUCT PRICE USD

$13.28

Available to order

Request a Quote

Need multiple units or help confirming a model? Contact our team.

↗ Free U.S. Shipping Standard delivery

↻ 30-Day Returns Subject to return policy

▤ Bulk Purchase Request volume quotes

✓ Secure Checkout Shopify-powered checkout

PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Bussmann
Model Number	FWP-40A14F
Product Category	High-Speed Fuse
Series	FWP
Current Rating	40 A
Voltage Rating AC	700 V (UL), 690 V (IEC)
Voltage Rating DC	700 V
Interrupt Rating AC	200 kAIC
Interrupt Rating DC	50 kAIC
Fuse Class	Class aR
Fuse Size	14 x 51 mm
Connection Type	Ferrule end x ferrule end
Indication	Non-Indicating
Body Material	Ceramic
Watt Losses	8 W
Frequency Rating	45 to 62 Hz
Operating Category	Semiconductor Protection

Key Features

High-Speed Semiconductor Protection

Class aR high-speed fuse designed for short-circuit protection of semiconductors, DC common bus, DC drives, and power converters/rectifiers.

700 VAC / 700 VDC Rating

Dual AC/DC voltage rating of 700 V supports use in a range of industrial power conversion circuits.

40 A Current Rating

Rated for 40 A continuous current in 14 x 51 mm ferrule-style installations.

200 kAIC Interrupt Rating

Provides a 200 kAIC interrupting rating at 700 VAC and 50 kAIC at 700 VDC for fault current limitation.

Compact 14 x 51 mm Body

Cylindrical ceramic body with ferrule terminals for use in compatible fuse holders and blocks.

Non-Indicating Design

Non-indicating construction for applications where local blown-fuse indication is not required.

Applications

Semiconductor short-circuit protection
DC common bus protection
DC drive protection
Power converter and rectifier protection
Reduced voltage starter circuits
Industrial power conversion equipment
AC/DC drive circuits requiring high-speed fusing
Fuse holder and block installations in control panels

Purchase Information

We support online purchase of the Bussmann FWP-40A14F High-Speed Fuse. If you need to make bulk purchases and inquire about other products, please contact our team to inform us of your purchase requirements. We will provide you with information such as quantity quotations, delivery dates, and transportation methods.

Frequently Asked Questions

What is the Bussmann FWP-40A14F? The FWP-40A14F is a Bussmann FWP series high-speed cylindrical fuse rated 40 A with Class aR utilization category.

What is the voltage rating of FWP-40A14F? It is rated 700 VAC (UL), 690 VAC (IEC), and 700 VDC.

What is the interrupt rating of FWP-40A14F? The interrupt rating is 200 kAIC at 700 VAC and 50 kAIC at 700 VDC.

What size is the FWP-40A14F fuse? It uses a 14 x 51 mm cylindrical body with ferrule end connections.

Is the FWP-40A14F indicating? No, the FWP-40A14F is a non-indicating fuse.

What material is the FWP-40A14F body? The fuse body is ceramic.

What is the watt loss of FWP-40A14F? The published watt loss is 8 W.

What applications is FWP-40A14F intended for? It is applied for semiconductor protection, DC common bus, DC drives, and power converters/rectifiers.

What accessories are available for FWP-40A14F? Eaton lists the CH14 modular fuse holder and FW14-PCB as compatible accessories.

What certifications does FWP-40A14F carry? It is CE Marked, RoHS Compliant, UL Recognized, and CSA Certified.

What should be checked before ordering FWP-40A14F? Verify the complete catalog number, current and voltage ratings, Class aR requirement, fuse holder compatibility, and system AC/DC conditions.

Need help confirming a model?

Send us your part number and technical requirements.

Contact Our Team