Littelfuse.com/jlls, Littelfuse.com/jlln

© 2020 Littelfuse, Inc.

Rev: 061820

1 of 9

CLASS T – JLLN / JLLS SERIES

300/600 V ac • Fast-Acting • 1–1200 A

Description

comparable Class R fuses and are typically used for short

circuit protection of drives and surge sensitive components.

When rated in accordance with the NEC*, JLLN / JLLS

fuses provide fast-acting overload and short circuit

protection for non-inductive circuits and equipment.

Features/Benefits



Extremely current-limiting



Compact design



200 kA interrupting rating



JLLN 35–60 amperes available with PCB mounts

Applications



Variable speed drive protection



Power conversion devices (inverters, rectifiers, UPS)



Power supplies and power distribution units



Compact mains switches

Recommended Fuse Holders

LFT30 series

LFT60 series

LSCR series for 70–800 amperes

Web Resources

Download TC curves, CAD drawings and other technical

information: Littelfuse.com/jlln

Littelfuse.com/jlls

AMPERE RATINGS

1

25

70

175

450

1100

2

30

80

200

500

1200

3

35

90

225

600

6

40

100

250

700

10

45

110

300

800

15

50

125

350

900*

20

60

150

400

1000

*JLLS only

Ordering Information

SERIES AMP PACK

SIZE

PLATING

SUFFIX

MOUNT

SUFFIX

CATALOG

NUMBER

ORDERING

NUMBER

JLLS

6

T

–

–

JLLS006

JLLS006.T

JLLN

35

T

–

JLLN035L

JLLN035.TXL

JLLN

40

T

–

JLLN040LSE JLLN040.TXLSE

JLLN

100

V

XP

–

JLLN100P

JLLN100.VXP

†

Option is available for JLLN 35–60 amperes only. Premium plating is standard

Specifications

JLLN

Voltage Ratings

Ac: 300 V

Dc: 160 V (1–60 A)

125 V (70–1200 A)

Ampere Range

1–1200 A

Interrupting Ratings

Ac: 200 kA rms symmetrical

Dc: 50 kA (1–30 A)

20 kA (35–1200 A)

Approvals

Ac: UL Standard 248-15, Class T

UL Listed (File: E81895): 1–1200 A

CSA Certified (File: LR29862): 1–600 A

Dc: UL Listed (File: E81895): 1–1200 A

Material

1–30 A: melamine body, bronze caps

35–1200 A: melamine body, copper caps

Environmental

RoHS Compliant

Country of Origin

Mexico

JLLS

Voltage Ratings

Ac: 600 V

Dc: 300 V

Ampere Range

1–1200 A

Interrupting Ratings

Ac: 200 kA rms symmetrical

Dc: 20 kA

Approvals

Ac: UL Standard 248-15, Class T

UL Listed (File: E81895): 1–1200 A

CSA Certified (File: LR29862): 1– 600 A

Dc: Littelfuse self-certified

Material

1–30 A: melamine body, copper caps

35–60 A: melamine body, bronze caps

70–1200 A: melamine body, copper caps

Environmental

RoHS Compliant

Country of Origin

Mexico

Part Numbering System

JLLN xxxx V —

Package Quantity

Series

Options

Amperage

T = 10 (1–60 A)

V = 5 (70–100 A)

X = 1 (110–1200 A)

Blank = Standard Non-Plated

XP = Premium Silver Plated

*NEC is a trademark of its respective owner.