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Littelfuse LA120X Series User Manual

Special purpose fuses, La120x semiconductor fuses, Catalog numbers & technical data

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Special Purpose Fuses

w w w . l i t t e l f u s e . c o m

© Littelfuse POWR-GARD

Products Catalog

LA 120 X 25 -1

Style

Littelfuse

Ampere Rating

Mounting Type

Voltage

(1200)

Ferrule

Catalog Numbers & Technical Data

Ampere

Rating

Littelfuse Catalog

Number

Mounting Type Maximum Clearing I

2

t

@1200 VAC (A

2

S)

1

2

LA120X1/2-1

1

1.9

1

LA120X1-1

1

7.5

2

LA120X2-1

1

30

3

LA120X3-1

1

69

4

LA120X4-1

1

120

5

LA120X5-1

1

190

6

LA120X6-1

1

280

10

LA120X10-1

1

970

15

LA120X15-1

1

2100

20

LA120X20-1

1

3700

25

LA120X25-1

1

5700

30

LA120X30-1

1

8300

LA120X Semiconductor Fuses

1200 VAC • Very Fast Acting • 1/2 – 30 Amperes

Littelfuse LA120X semiconductor protection fuses, rated

1

/

2

through

30A, 1200 VAC are popular for use in traction drive auxiliary circuits and
similar applications. LA120X fuses are also suitable for use on 1000VDC
auxiliary circuits with low time constants.

Features

• 1000 Volt DC rating for a wide range of circuits.
• Compact size fits in where competitive sizes will not fit.

Applications

Protection of traction drive auxiliary circuits, etc.

Dimensions

In Inches (mm in parentheses)

Ordering Information

Specifications

Voltage Rating:

AC: 1200 Volts

DC: 1000 Volts

Interrupting Rating:

100,000 Amperes

Ampere Range:

1

2

– 30 Amperes

Note: Mounting type 1 can use 109002 and 129002 clips.

4 5/8

(117)

.812

(20.6)