7SR21 & 7SR22 Performance Specification
Unrestricted © 2013 Siemens Protection Devices Limited
Page 13 of 68
1.2.4 Binary (Digital) Outputs
Contact rating to IEC 60255-0-2
Attribute
Value
Carry continuously
5 A AC or DC
Make and carry
(L/R
£
40 ms and V
£
300 V)
for 0.5 s
20 A AC or DC
for 0.2 s
30 A AC or DC
Break
(
£
5 A and
£
300 V)
AC resistive
1250 VA
AC inductive
250 VA at p.f.
£
0.4
DC resistive
75 W
DC inductive
30 W at L/R
£
40ms
50 W at L/R
£
10 ms
Contact Operate / Release Time
7 ms / 3 ms
Minimum number of operations
1000 at maximum load
Minimum recommended load
0.5 W at minimum of 10 mA or 5 V
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
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