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CLASS J – JLS SERIES FUSES

600 VAC • Fast-Acting • 1-600 A

AMPERE RATINGS

1

20

45

90

175

350

3

25

50

100

200

400

6

30

60

110

225

450

10

35

70

125

250

500

15

40

80

150

300

600

Description

The UL Listed Class J JLS Series fuses provide space

saving, fast-acting overload and short-circuit protection for

vital industrial and power conversion applications.

Littelfuse’s  JLS Series fuses offer best in class current

limitation that prevents equipment damage from overcurrent

faults.

Features and Benefits

•

Superior performance in a space saving package

•

Reliable interruption of all overcurrents with protection

up to 200kA

•

Extremely current limiting

•

Fast-acting protection for surge-sensitive devices and

components

•

Reduces heating and magnetic effects due to

overcurrents, extending equipment life

•

Economical and readily available

Applications

•

Power conversion device protection

•

Variable speed drives

•

Rectifiers

•

Resistive loads

•

Solid-state devices

100

1000

10000

100000

1000000

600 A

400 A

200 A

100 A

60 A

30 A

AVAILABLE FAULT CURRENT

SYMMETRICAL R. M. S. AMPERES

05567005

SERIES AMPERAGE

CATALOG

NUMBER

ORDERING

NUMBER

JLS

110

JLS110

0JLS110.X

Ordering Information

Dimensions

Please refer to the Class J dimensions on page 2

Web Resources

Download TC curves, CAD drawings and other technical

information: littelfuse.com/jls

Recommended Fuse Holders

LFJ60 Series

QPL

JLS

Peak Let-Thru Curve

Specifications

Voltage Ratings

600 VAC

Interrupting Ratings

200 kA rms symmetrical

Ampere Range

1–600 A

Approvals

Standard 248-8, Class J

UL Listed (File: E81895)

CSA Certified (File: LR29862)

Federal Specification WF-1814

(QPL-W-F-1814)