Semiconductor fuses

Semiconductor (AC) fuses

SCAC

196

Ferrule Fuses

27x60 URQ/URS/URB - 690 V to 1000 VAC

12/04

Time vs current characteristics

These curves indicate, for each rated current, pre-arcing time vs. R.M.S. pre-arcing current.

Tolerance for mean pre-arcing current ± 8%.

a = 130

B1 = 1,25

A2 = 0,6

B2 = 0,6

Cf3 = 0,8

a = 130

B1 = 1,25

A2 = 0,6

B2 = 0,6

Cf3 = 0,8

10

2

10

3

10

4

10

5

10

-4

10

-3

10

-2

10

-1

10

0

10

1

10

2

10

3

10

4

I (A)

URS

125A

160A