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LDFJ SERIES - DRIVE FUSES

600 VAC/450 VDC • Fast-Acting • 1-600 A

AMPERE RATINGS

1

6

20

45

90

175

350

2

8

25

50

100

200

400

3

10

30

60

110

225

450

4

12

35

70

125

250

500

5

15

40

80

150

300

600

Description

LDFJ series fuses provide space saving, high-speed

performance and short-circuit protection for AC and DC

drives.

for protection of power semiconductor devices and motor

controllers.

Applications

• All AC/DC drives (Including variable frequency drives)

• Power converters and solid-state devices

• Resistive loads, such as resistance electric heat

AMPERE

RANGE

SERIES AMP CODE

CATALOG

NUMBER

ORDERING

NUMBER

PACK

QTY

1-60

LDFJ

060

LDFJ060

LDFJ060.T

10 PCS/

BOX

70-200

LDFJ

110

LDFJ110

LDFJ110.V

1 PC/

BOX

225-600

LDFJ

400

LDFJ400

LDFJ400.X

1 PC/

BOX

Ordering Information

Web Resources

TC curves, CAD drawings and other technical information

contact Tech-Line at 800-TEC-FUSE or techline@littelfuse.com.

Recommended Fuse Holders

LFJ60 Series

Specifications

Voltage Ratings

600 VAC / 450V DC (30-600A)

Interrupting Ratings

200 kA AC / 100kA DC

Ampere Range

1–600 A

Approvals

Standard 248-8, Class J

UL Listed

CSA Certified

AMPERES

REFER TO

FIG. NO.

DIMENSIONS INCHES (mm)

A

B

C

D

E

F

G

H

J

1 – 30

1

2.25 (57.2)

0.81 (20.6)

0.50 (12.7)

-

-

-

-

-

-

35 – 60

1

2.38 (60.5)

1.06 (26.9)

0.63 (16.0)

-

-

-

-

-

-

70 – 100

2

4.63 (117.6)

1.13 (28.7)

-

3.63 (92.2)

2.63 (66.8)

0.43 (10.9)

0.28 (7.1)

0.75 (19.1)

0.13 (3.3)

110 – 200

2

5.75 (146.1)

1.63 (41.4)

-

4.38 (111.3)

3.0 (76.2)

0.43 (10.9)

0.28 (7.1)

1.13 (28.7)

0.19 (4.8)

225 – 400

2

7.13 (181.1)

2.11 (53.6)

-

5.25 (133.4)

3.38 (85.9)

0.58 (14.7)

0.41 (10.4)

1.63 (41.4)

0.25 (6.4)

450 – 600

2

8.0 (203.2)

2.5 (63.5)

-

6.0 (152.4)

3.75 (95.3)

0.74 (18.8)

0.53 (13.5)

2.0 (50.8)

0.38 (9.7)

Dimensions Inches (mm)

FIGURE 1

FIGURE 2