JLLN700 - 700Amp Fuse Description
JLLN700 - 700Amp Fuse
The Littelfuse JLLN700 is a 700-amp Class T fuse defined by specific electrical and physical specifications. Beyond amperage, you can also identify the JLLN700 by its knife-blade/bolt-in construction, non-indicating configuration, and fuse block, clip, or holder mounting method. Littelfuse specifies the LSCR Series as the PG holder for this model. For equipment designed around this exact combination of ratings and construction, the JLLN700 provides a straightforward fuse choice that lasts when properly selected, installed, and operated within its specified ratings.
Key Features and Benefits
- 700A continuous current rating: Provides a clear amperage specification for matching the fuse to compatible equipment.
- Class T fuse: The defined fuse class helps narrow compatibility and avoids relying on physical appearance alone.
- Fast-acting opening: Littelfuse identifies the JLLN700 as Fast-Acting (F), an important characteristic to verify against the equipment requirements.
- Current-limiting design: Listed by the manufacturer as part of the JLLN700's family style.
- 300VAC maximum voltage: Establishes the fuse's maximum specified AC voltage rating.
- 125VDC maximum voltage: Provides a separate maximum rating for applicable DC installations.
- Knife-blade/bolt-in construction: Provides another physical characteristic to check when confirming equipment compatibility.
- Non-indicating configuration: The JLLN700 is a non-indicating fuse.
Technical Specifications
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Manufacturer: Littelfuse
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Catalog Number: JLLN700
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Series: JLLN
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Manufacturer Description: FUS 300V F/A CLASS T 700A
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Continuous Current Rating: 700A
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Fuse Class: Class T
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Opening Characteristic: Fast-Acting (F)
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Family Style: Current Limiting
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Maximum AC Voltage: 300VAC
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Maximum DC Voltage: 125VDC
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AC Interrupting Rating: 200,000A (200 kA) at 300VAC
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DC Interrupting Rating: 20,000A (20 kA) at 125VDC
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Size / Construction: 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: LSCR Series
Material Compliance and Certifications
The supplied manufacturer specifications for the JLLN700 did not include specific UL, CSA, CE, RoHS, REACH, or other material-compliance or certification information. That does not establish that the product lacks any particular certification. Where a specific approval or material standard is required, confirm the applicable status using current authoritative manufacturer documentation and the markings on the fuse.
Where It Works Best
The Littelfuse JLLN700 700A Class T fuse is best suited to compatible electrical equipment that specifically calls for a 700A fast-acting, current-limiting Class T fuse with knife-blade/bolt-in construction. Its clearly stated AC and DC ratings make it easier to evaluate for maintenance and replacement applications where the existing equipment documentation specifies the required fuse characteristics.
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Littelfuse® is a registered trademark of Littelfuse, Inc. Products sold are surplus, used, or refurbished and are NOT supplied by Littelfuse, Inc. or its affiliates.
Specifications
- Width:2.062
- Depth:2.062
- Height:3.375
- Amperes:700
- A.I.C. Rating & Volts:200 kA @ 300 V.AC
- Type:JLLN
- Additional Notes:Knife-blade Style, Non-Indicating, Very Fast-Acting, current-limiting Class T Fuse
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