JLLS125 - 125Amp Fuse Description
JLLS125 - 125Amp Fuse
The Littelfuse JLLS125 gives you the precise specifications you need when your equipment requires a 125-amp Class T fuse. Instead of stopping at the amp rating, you can confirm the characteristics that really determine compatibility: fast-acting operation, current-limiting design, 600VAC and 300VDC maximum voltage ratings, and Knife-Blade/Bolt-In construction. For compatible equipment, the specified PG holder is the LFT60200 Series.
Key Features and Benefits
- 125A continuous current rating: Clearly identifies the fuse for equipment requiring a 125-amp rating.
- Class T configuration: Gives you an essential specification to verify when matching the JLLS125 to existing equipment.
- Fast-Acting (F): Littelfuse specifies a fast-acting opening characteristic.
- Current limiting: Identified by the manufacturer as part of the current-limiting fuse family.
- Knife-blade construction: The manufacturer identifies the JLLS125 as having knife-blade-style construction.
- Knife-Blade/Bolt-In size: Adds another useful physical checkpoint when confirming fit.
- Non-indicating design: The fuse has no indicating feature.
Technical Specifications
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Manufacturer: Littelfuse
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Catalog Number: JLLS125
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Series: JLLS
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Manufacturer Description: FUS 600V F/A CLASS T 125A
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Continuous Current Rating: 125A
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Fuse Class: Class T
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Opening: Fast-Acting (F)
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Family Style: Current Limiting
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Maximum AC Voltage: 600VAC
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Maximum DC Voltage: 300VDC
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AC Interrupting Rating: 200,000A (200 kA) at 600VAC
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DC Interrupting Rating: 20,000A (20 kA) at 300VDC
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Construction: Knife-blade style
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Size: Knife-Blade/Bolt-In
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Indicating: No
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Mounting Method: Fuse Block / Clip / Holder
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PG Holder: LFT60200 Series
Material Compliance and Certifications
The supplied manufacturer information does not specify UL, CSA, CE, RoHS, REACH, or other certification or material-compliance details for the JLLS125. This should not be interpreted as meaning the fuse lacks a particular certification or compliance status.
Where It Works Best
The Littelfuse JLLS125 125A Class T fuse is a strong fit for compatible electrical equipment specifically requiring a 125A, fast-acting, current-limiting Class T fuse with knife-blade-style construction. It is particularly straightforward to identify when the equipment also requires the Knife-Blade/Bolt-In format, a maximum rating of 600VAC or 300VDC, and the applicable interrupting capacity.
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Specifications
- Width:1.078
- Depth:1.078
- Height:3.25
- Amperes:125
- A.I.C. Rating & Volts:200 kA @ 600 V.AC
- Type:JLLS
- Additional Notes:Knife-blade Style, Non-Indicating, Very Fast-Acting, current-limiting Class T Fuse
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