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SIRIUS 3RT2 contactors/contactor assemblies
2.8 Technical data
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
267
2.8.3.2
Coupling relays
3RH21 auxiliary coupling relays for switching auxiliary circuits
Technical data for 3RH21 auxiliary coupling relays
Unless listed below, the technical data is the same as that for 3RH21 auxiliary contactor
relays.
Table 2- 106 Technical data for 3RH21..-.HB40, 3RH21..-.JB40, 3RH21..-.KB40 contactors
Type
3RH21..-.HB40
3RH21..-.JB40
3RH21..-.KB40
Size
S00
Magnet coil operating range
0.7 to 1.25 x U
S
Magnet coil power input (with cold
coil)
Switch-on power = holding power
At U
S
= 17 V
W
1.4
At U
S
= 24 V
W
2.8
At U
S
= 30 V
W
4.4
Permissible residual current
of electronics with 0 signal
< 10 mA x (24 V/U
S
)
Magnet coil suppressor circuit
Without
overvoltage
attenuation
With diode
Suppressor diode
Switching times
Switching on at 17 V
- ON-delay NO
ms
40 ... 130
- OFF-delay NC
ms
30 ... 80
At 24 V
- ON-delay NO
ms
35 ... 60
- OFF-delay NC
ms
25 ... 40
At 30 V
- ON-delay NO
ms
25 ... 50
- OFF-delay NC
ms
13 ... 30
Switching off at 17 to 30 V
- OFF-delay NO
ms
70 ... 20
38 ... 65
7 ... 20
- ON-delay NC
ms
20 ... 30
55 ... 75
20 ... 30
Vertical mounting position
Please contact your local Siemens office for advice
Summary of Contents for SIRIUS 3RH Series
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