Siemens SIRIUS 3RH Series - Auxiliary Releases; Short-Circuit Protection for Auxiliary and Control Circuits

SIRIUS 3RV2 motor starter protectors
4.10 Technical data
SIRIUS Innovations
458 System Manual, 01/2011, A8E56203870002-03
4.10.7 Auxiliary releases
Undervoltage release Shunt release
Power input
 During pick-up
- Alternating voltages VA/W 20.2 / 13 20.2 / 13
- Direct voltages W 20 13 ... 80
 During continuous operation
- Alternating voltages VA/W 7.2 / 2.4 --
- Direct voltages W 2.1 --
Response voltage
 Tripping
V 0.35 to 0.7 x U
s
0.7 to 1.1 x U
s
 Pick-up
V 0.85 to 1.1 x U
s
--
Maximum opening time ms 20
4.10.8 Short-circuit protection for auxiliary and control circuits
Undervoltage release Shunt release
gL/gG melting fuses A 10
Miniature circuit breaker, C characteristic A 6
1)
1)
Prospective short-circuit current < 0.4 kA