Specifications - WIKA 821 Serie Manual De Instrucciones

3. Specifications

3. Specifications
Table 1a: Limits for the magnetic snap-action contact model 821
Limits for the contact rating
with resistive load
GB
Rated voltage U
Rated current
Make current
Breaking current
Continuous current
Contact rating max.
Table 1b: Limits for the sliding contact model 811
Limits for the contact rating
with resistive load
Rated voltage U
Rated current
Make current
Breaking current
Continuous current
Contact rating max.
1) The values for rated currents shown in the above table apply to instruments with switch ver-
sion S. For instruments with switch version L these values should be halved.
(see chapter "5. Allocation of switch version to basic instruments and measuring ranges")
8
max.
eff
1)
max.
eff
1)
WARNING!
None of the limits for voltage, current and power are to be
exceeded!
We recommend the following load values to ensure safe,
continuous operation:
WIKA operating instructions magnetic snap-action contact model 821
Magnetic snap-action contact
model 821
dry gauges
250 V
1.0 A
1.0 A
0.6 A
30 W / 50 VA
Sliding contact model 811
dry gauges
250 V
0.7 A
0.7 A
0.6 A
10 W / 18 VA
filled gauges
250 V
1.0 A
1.0 A
0.6 A
20 W / 20 VA