Type 0ALB

2 / 3

Bel Fuse Inc.

300 Executive Drive, Suite 300,

West Orange, NJ 07052 USA

+1 201.432.0463

Bel.US.CS@belf.com

belfuse.com/circuit-protection

© 2024 Bel Fuse, Inc.

Rev. 0ALB Mar2024

Temperature Rerating Curve

Average Time Current Curve

Electrical Specifications

Part Number

Ampere Rating

Voltage and Interrupting

Ratings

Typical I²t (A²sec)

Power Loss

(W)

Pre-arcing

Total @800Vdc

0ALBxK100-xx

100A

See Table of Ratings on

Page 1 for Voltage and

associated Interrupting

Ratings

990

5,120

21

0ALBxK125-xx

125A

1,650

8,910

23

0ALBxK150-xx

150A

2,750

16,500

25

0ALBxK200-xx

200A

6,200

41,500

30

0ALBxK250-xx

250A

11,000

75,000

37

Consult manufacturer for other ratings

0.0001

0.001

0.01

0.1

1

10

100

1000

100

1000

10000

Current (Amperes)

Time Current Curve

Specifications subject to change without notice

Operating Temperature: -40°C to +125°C, with proper

rerating factor applied.

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

1.1

1.2

1.3

1.4

-50-40-30-20-10 0 10 20 30 40 50 60 70 80 90100110120130

Ambient Temperature

°C