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JLS1

更新时间： 2024-02-02 12:41:41
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Fuse

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JLS1 数据手册

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JLS CLASS J FUSES  
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600 VAC Fast-Acting 1 – 600 Amperes  
SPECIFICATIONS  
Voltage ratings: 600 Volts AC  
Interrupting ratings: 200,000 amperes rms symmetrical  
Ampere range: 1— 600 amperes  
GENERAL  
PURPOSE  
FUSES  
Approvals: UL Listed Class J fuses per UL 248  
(formerly UL 198C)  
(File No. E81895)  
CSA Certified HRCI-J (File No. LR29862)  
Federal Specification No. WF1814 (QPL)  
AMPERE RATINGS  
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Example part number (series & amperage): JLS 110  
RECOMMENDED FUSE BLOCKS  
LJ600 series  
Refer to Fuse Block section of this catalog for additional infor-  
mation.  
JLS series fuses provide space-saving, fast-acting overload  
and short-circuit protection for non-inductive loads. When  
used for motors or other inductive loads, the ampere rating of  
JLS series fuses must be increased to prevent nuisance  
opening on inrush currents. In such applications, JLS fuses  
may provide only short circuit protection. Consider using  
Littelfuse POWR-PRO® JTD series time-delay fuses in such  
circuits.  
LONGER EQUIPMENT LIFE  
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Current-limiting design reduces damage to equipment  
caused by heating and magnetic effects of short-circuit  
currents.  
ECONOMICAL  
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Extremely current-limiting design often permits use of  
readily available, less costly equipment.  
APPLICATIONS  
ꢀ
Manufacturers of equipment containing dual voltage  
devices can simplify manufacturing and reduce inventory  
by standardizing on 600 volt JLS fuses and Class J fuse  
blocks for all AC voltage ratings.  
General purpose circuits with little or no motor load.  
Resistive loads, such as resistance electric heat.  
Loads requiring fast-acting overload protection, such as  
equipment containing solid-state devices.  
EASY TO USE  
ꢀ
200,000 A.I.R. rating minimizes need for short-circuit  
calculations.  
SPACE SAVING  
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JLS fuse characteristics are similar to KLNR/KLSR fast-  
NOTE: Littelfuse JLS fuses are not time-delay fuses. For  
applications where short-duration surges and spikes may  
cause nuisance fuse opening, consider the use of Littelfuse  
POWR-PRO® JTD series time-delay fuses.  
acting Class RK1 fuses, but they are much smaller.  
SAFETY  
ꢀ
200,000 A.I.R. — Reliable interruption of all overcurrents up  
to 200,000 amperes.  
ꢀ
Extremely current limiting — Stops damaging short-circuit  
current faster than any mechanical protective device.  
ꢀ
Fast-acting — Provides fast-acting protection to equipment  
such as variable speed drives, rectifiers and other equip-  
ment containing surge-sensitive components.  
37  
12

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