4. Overcurrent protectors
4. Overcurrent protectors
The instruments do not provide for incorporated overcurrent protectors.
Should protectors be required, we recommend the following values in
accordance with EN 60947-5-1.
GB
Table 3a: Overcurrent protectors with magnetic snap-action contact
Voltage
V
24
250
Table 3b: Overcurrent protectors with sliding contact
Voltage
V
24
250
All data refer to miniature fuses M and a maximum short circuit current
of 100 A.
1) see chapter "5. Allocation of switch version to basic instruments and measuring ranges".
10
Magnetic snap-action contact model 821
Switch version S
Nominal size of instrument
100
63
1 A
2 A
1 A
0.63 A
Sliding contact model 811
Switch version S
Nominal size of instrument
100
63
1 A
0.63 A
0.315 A
0.125 A
WIKA operating instructions magnetic snap-action contact model 821
1)
Switch version L
Nominal size of instrument
160
63
2 A
0.63 A
1 A
0.315 A
1)
Switch version L
Nominal size of instrument
160
63
1 A
0.315 A
0.315 A
0.063 A
1)
100
160
1 A
1 A
0.63 A
0.63 A
1)
100
160
0.63 A
0.63 A
0.125 A
0.125 A