Eaton Bussmann

Bussmann FWP-40A14Fa High-Speed Fuse

SKU: LL1-BSM-FWP-40A14Fa

$13.28

Available

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Eaton Bussmann

Bussmann FWP-40A14Fa High-Speed Fuse

SKU: LL1-BSM-FWP-40A14Fa

PRODUCT PRICE USD

$13.28

Available to order

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Bussmann
Model Number	FWP-40A14Fa
Product Category	High-Speed Fuse
Series	FWP-A14Fa
Current Rating	40 A
Voltage Rating AC	690 V (IEC), 700 V (UL)
Voltage Rating DC	800 V
Interrupt Rating AC	200 kA
Interrupt Rating DC	50 kA
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

Key Features

800 VDC Rating

The FWP-40A14Fa extends DC voltage capability to 800 V, suitable for higher-voltage DC bus and drive circuits.

Class aR High-Speed Protection

Provides short-circuit protection for semiconductors and power conversion equipment in AC and DC applications.

40 A Current Rating

Rated 40 A in a 14 x 51 mm ferrule-style cylindrical body.

200 kA AC Interrupt Rating

High interrupting capacity for AC fault current limitation in industrial systems.

Compact Ferrule Design

14 x 51 mm ceramic body with ferrule terminals for holder-mounted installation.

Non-Indicating Construction

Non-indicating version for applications where visual blown-fuse indication is not required.

Applications

Semiconductor short-circuit protection
DC common bus protection
DC drive circuits up to 800 VDC
Power converter and rectifier protection
Reduced voltage starter circuits
Industrial power electronics
AC/DC drive protection
Fuse holder installations in control cabinets

Purchase Information

We support online purchase of the Bussmann FWP-40A14Fa 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-40A14Fa? The FWP-40A14Fa is a Bussmann FWP series high-speed cylindrical fuse rated 40 A with Class aR category.

What is the voltage rating of FWP-40A14Fa? It is rated 690 VAC (IEC), 700 VAC (UL), and 800 VDC.

What is the interrupt rating of FWP-40A14Fa? The interrupt rating is 200 kA AC and 50 kA DC.

What size is the FWP-40A14Fa fuse? It uses a 14 x 51 mm cylindrical body.

Is FWP-40A14Fa indicating? No, it is a non-indicating fuse.

What is the watt loss of FWP-40A14Fa? The published watt loss is 8 W.

What is the frequency rating of FWP-40A14Fa? The frequency rating range is 45 to 62 Hz.

What applications is FWP-40A14Fa suitable for? It is used for semiconductor protection, DC common bus, DC drives, and power converters/rectifiers.

What certifications does FWP-40A14Fa carry? It is CE Marked, UL Recognized, and CSA Certified.

What should be verified before ordering FWP-40A14Fa? Confirm the 800 VDC system requirement, 40 A load, Class aR coordination, fuse holder compatibility, and complete catalog number.

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