4 A Class T Fuse
4 A current rating at 600 VAC in a very fast-acting Class T format.
Technical specifications, features, applications and purchasing information.
| Brand | Bussmann |
| Model Number | JJS-4 |
| Product Category | Class T Fuse |
| Fuse Class | Class T |
| Fuse Type | Very Fast-Acting, Current-Limiting |
| Current Rating | 4 A |
| Voltage Rating | 600 VAC |
| Interrupting Rating | 200 kA at 600 VAC |
| Fuse Indicator | Non-Indicating |
| Connection | Ferrule End x Ferrule End |
| Body Style | Cartridge, Cylindrical |
| Dimensions | Approx. 0.56 in diameter x 1.5 in length |
| Weight | Approx. 0.15 lb |
| Certifications | UL Listed, CSA Certified, CE Marked |
4 A current rating at 600 VAC in a very fast-acting Class T format.
Published 200 kA at 600 VAC for high available fault current Class T circuits.
Very fast-acting current-limiting construction for short-circuit protection.
Space-saving Class T fuse body for confined electrical panel layouts.
Ferrule end x ferrule end terminals for compatible fuse holders and clips.
We support online purchase of the Bussmann JJS-4 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.
What is the Bussmann JJS-4? The JJS-4 is a Class T very fast-acting current-limiting fuse rated 4 A at 600 VAC.
What is the interrupt rating of the JJS-4? The published interrupt rating is 200 kA at 600 VAC.
Is the JJS-4 a time-delay fuse? No. The JJS-4 is very fast-acting and does not incorporate intentional time delay.
Does the JJS-4 have a DC rating? The published voltage rating is 600 VAC. A DC rating is not specified for this catalog number in the cited source.
Is the JJS-4 indicating? No, the JJS-4 is non-indicating.
What terminal style does the JJS-4 use? Ferrule end x ferrule end connections.
What certifications apply to the JJS-4? The JJS-4 is UL Listed, CSA Certified, and CE Marked.
What are the approximate dimensions of the JJS-4? Published dimensions are approximately 0.56 inches in diameter by 1.5 inches in length.
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