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Eaton Bussmann

Bussmann FWJ-200A High Speed Fuse 200A 1000VAC 800VDC Class aR

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Bussmann
Model Number	FWJ-200A
Product Category	High Speed Fuse
Series	FWJ
Product Type	High Speed Cylindrical Fuse
Current Rating	200 A
AC Voltage Rating	1000 VAC
DC Voltage Rating	800 VDC
Voltage Type	AC/DC
Class	Class aR
Utilization Category	aR Semiconductor Protection
AC Interrupt Rating	25 kA at 1000 VAC
DC Interrupt Rating	50 kA at 800 VDC
Pre-Arcing I²t	11700 A²s
Clearing I²t	80000 A²s at 1000 VAC
Watt Losses	32 W
Fuse Indicator	Non-Indicating
Fuse Shape	Cylindrical, Center Bolted Tags
Connection	Blade End × Blade End
Mounting Method	Stud
Product Length	145 mm
Product Height	39 mm
Product Width	39 mm
Product Weight	195 g
Compliance	CE Marked
Certifications	UL Recognized, CSA Certified

Key Features

200 A Current Rating

The FWJ-200A high speed fuse has a documented current rating of 200 A.

1000 VAC and 800 VDC

The fuse is rated for electrical systems up to 1000 VAC and 800 VDC.

Class aR Protection

The FWJ-200A uses an aR utilization category for semiconductor protection applications.

High Speed Construction

The FWJ series uses high speed fuse characteristics for protection of power semiconductor circuits.

Defined I²t Performance

The documented pre-arcing I²t is 11700 A²s and clearing I²t is 80000 A²s at 1000 VAC.

Bolted Tag Configuration

The cylindrical fuse uses center bolted tags, blade end connections and stud mounting.

Applications

Semiconductor protection
DC common bus systems
DC drive systems
Power converters
Rectifier circuits
Industrial power electronics

Purchase Information

We support online purchase of the Bussmann FWJ-200A 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 Bussmann FWJ-200A?
Bussmann FWJ-200A is an FWJ series high speed cylindrical fuse intended for semiconductor and power electronic circuit protection.

What is the current rating of FWJ-200A?
The documented current rating is 200 A.

What is the AC voltage rating of FWJ-200A?
The documented AC voltage rating is 1000 VAC.

What is the DC voltage rating of FWJ-200A?
The documented DC voltage rating is 800 VDC.

What fuse class is FWJ-200A?
The documented fuse class and utilization category are Class aR for semiconductor protection.

What is the interrupt rating of FWJ-200A?
The documented interrupt ratings are 25 kA at 1000 VAC and 50 kA at 800 VDC.

What are the I²t values for FWJ-200A?
The documented pre-arcing I²t is 11700 A²s and clearing I²t is 80000 A²s at 1000 VAC.

Does FWJ-200A have a fuse indicator?
No. The FWJ-200A is documented as a non-indicating fuse.

How is FWJ-200A connected?
The fuse uses blade end to blade end connections with center bolted tags and stud mounting.

What are the dimensions of FWJ-200A?
The documented dimensions are 145 mm length, 39 mm height and 39 mm width.

What applications are specified for FWJ-200A?
Documented applications include semiconductor protection, DC common bus systems, DC drives, power converters and rectifiers.

What should be checked before ordering FWJ-200A?
Check the complete FWJ-200A model, 200 A current rating, required 1000 VAC or 800 VDC rating, Class aR characteristics, interrupt rating, mounting arrangement and circuit protection requirements before purchasing.

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