JJS-1200 - 1200 Amp Fuse Description
JJS-1200 - 1200 Amp Fuse
At 1200 amps, fuse selection is a specification-driven decision—your full electrical and physical details must match the equipment. The JJS-1200 is a 1200A, 600VAC Class T fuse with a 200 kA interrupting rating at 600VAC, very fast-acting operation, and a current-limiting design. For equipment designed around these characteristics, this fuse offers a clear combination of amperage, voltage, Class T construction, interrupting capacity, and physical format. It is built to last while keeping the specifications straightforward enough to verify before installation.
Key Features and Benefits
- 1200A rating: Designed for compatible electrical equipment specifically requiring a 1200-amp fuse.
- 600VAC voltage rating: Suitable where the equipment specification calls for a 600VAC fuse with the other listed JJS-1200 characteristics.
- Current-limiting Class T design: Combines the supplied Class T classification with a current-limiting operating characteristic.
- Knife-blade style: Provides a distinct physical format that can be checked against the existing fuse mounting arrangement.
- Non-indicating configuration: Clearly identified as a non-indicating fuse, removing guesswork about this particular feature.
Technical Specifications
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Part Number: JJS-1200
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Type: JJS
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Product Type: Fuse
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Amperage Rating: 1200A
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Voltage Rating: 600VAC
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A.I.C. / Interrupting Rating: 200 kA at 600VAC
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Fuse Class: Class T
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Operating Characteristic: Very fast-acting
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Current-Limiting: Yes
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Style: Knife-blade
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Indicator: Non-indicating
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Height: 5.271 in
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Width: 2.625 in
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Depth: 2.625 in
Material Compliance and Certifications
No specific UL, CSA, CE, RoHS, REACH, or other material-compliance or certification information was supplied for the JJS-1200. Do not assume these approvals based on the JJS type, Class T designation, amperage, or voltage rating. When a particular certification or material-compliance standard is required, confirm it on the fuse markings and in appropriate authoritative product documentation.
Where It Works Best
The JJS-1200 1200A Class T fuse is intended for compatible electrical equipment requiring a 1200A rating, 600VAC voltage rating, 200 kA interrupting rating at 600VAC, very fast-acting operation, current-limiting Class T characteristics, knife-blade style, and a non-indicating configuration. The stated 5.271" x 2.625" x 2.625" dimensions also make physical fit an important part of the compatibility check.
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Eaton®, Cutler-Hammer®, Westinghouse®, Challenger®, Bussmann®, Edison®, Edison Fuse®, GTE Sylvania®, Crouse-Hinds®, and Cooper® are registered trademarks of Eaton Corporation plc. Products sold are surplus, used, or refurbished and are NOT supplied by Eaton Corporation plc or its affiliates.
Specifications
- Width:2.625
- Depth:2.625
- Height:5.271
- Amperes:1200
- A.I.C. Rating & Volts:200 kA @ 600 V.AC
- Type:JJS
- Additional Notes:Knife-blade Style, Non-Indicating, Very Fast-Acting, current-limiting Class T Fuse
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