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Eaton Bussmann

Bussmann JJS-50 Class T Fuse 50A 600VAC 300VDC Fast-Acting

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$14.98

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PRODUCT DOCUMENTATION

Product Information

Technical specifications, features, applications and purchasing information.

Technical Specifications

Brand	Bussmann
Model Number	JJS-50
Product Category	Class T Fuse
Series	JJS
Fuse Type	Fast-Acting
Fuse Class	Class T
Current Rating	50 A
AC Voltage Rating	600 VAC
DC Voltage Rating	300 VDC
AC Interrupting Rating	200 kA RMS Symmetrical
DC Interrupting Rating	100 kA
Fuse Indicator	Non-Indicating
Connection	Ferrule End × Ferrule End
Fuse Construction	Current-Limiting
UL	UL Listed Class T
CSA	CSA Certified

Key Features

50 A Current Rating

The JJS-50 is a Bussmann JJS series Class T fuse with a documented current rating of 50 A.

600 VAC and 300 VDC

The JJS-50 is rated for 600 VAC and 300 VDC electrical systems.

Fast-Acting Characteristic

The JJS series uses a fast-acting operating characteristic for circuit protection applications requiring rapid fuse response.

Class T Configuration

The JJS-50 is a Class T current-limiting fuse designed for use with appropriately rated Class T fuse holders and blocks.

High Interrupting Capacity

The documented interrupting ratings are 200 kA RMS symmetrical for AC circuits and 100 kA for DC circuits.

Compact Ferrule Construction

The 50 A JJS fuse uses ferrule end connections and a non-indicating cartridge configuration.

Applications

Industrial control panels
Power distribution circuits
Industrial machinery circuits
Feeder circuit protection
Branch circuit protection
Current-limiting circuit protection
Electrical equipment protection
Circuits requiring Class T fuses

Purchase Information

We support online purchase of the Bussmann JJS-50 Class T 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 JJS-50?
Bussmann JJS-50 is a JJS series Class T fast-acting current-limiting fuse with a documented current rating of 50 A.

What is the current rating of JJS-50?
The documented current rating is 50 A.

What is the AC voltage rating of JJS-50?
The documented AC voltage rating is 600 VAC.

What is the DC voltage rating of JJS-50?
The documented DC voltage rating is 300 VDC.

Is JJS-50 a fast-acting fuse?
Yes. The Bussmann JJS series is specified as fast-acting.

What fuse class is JJS-50?
JJS-50 is a Class T fuse.

What is the AC interrupting rating?
The documented AC interrupting rating is 200 kA RMS symmetrical.

What is the DC interrupting rating?
The documented DC interrupting rating is 100 kA.

Does JJS-50 have an indicator?
No. JJS-50 is specified as a non-indicating fuse.

Is JJS-50 current-limiting?
Yes. The JJS Class T series uses a current-limiting fuse design.

What fuse holder should be used with JJS-50?
Use a fuse holder or fuse block designed for the applicable Class T fuse size and verify its voltage, current and interrupting requirements against the circuit specifications.

What should be checked before ordering JJS-50?
Check the JJS-50 model, 50 A current rating, required 600 VAC or 300 VDC rating, Class T configuration, fast-acting characteristic and circuit protection requirements before purchasing.

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