SIEMENS
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Siemens IC 10 · 2017
Contactor Relays
SIRIUS 3RH2 contactor relays, 4- and 8-pole
5
Coupling contactor relays
Type
3RH21. .-.HB40
3RH21. .-.JB40
3RH21. .-.KB40
Size
S00
Control
Solenoid coil operating range
0.7 ... 1.25 x
U
s
Power consumption of the solenoid coil
(for cold coil and 1.0 x
U
s
)
Closing = Closed at
U
s
= 24 V
W
2.8
Permissible residual current
of the electronics for 0 signal
<10 mA x (24 V/
U
s
)
Overvoltage configuration of the solenoid coil
No overvoltage damping
Built-in diode
Built-in suppressor diode
Operating times at 1.0 x
U
s
• Closing delay
ON-delay NO
ms
35 ... 60
OFF-delay NC
ms
25 ... 40
• Opening delay
OFF-delay NO
ms
7 ... 20
38 ... 65
7 ... 20
ON-delay NO
ms
10 ... 30
30 ... 90
10 ... 30
Upright mounting position
On request
Coupling contactor relays
Type
3RH21. .-.MB40-0KT0
3RH21. .-.VB40
3RH21. .-.SB40
Size
S00
Control
Solenoid coil operating range
0.85 ... 1.85 x
U
s
Power consumption of the solenoid coil
(for cold coil and 1.0 x
U
s
)
Closing = Closed at
U
s
= 24 V
W
1.6
Permissible residual current
of the electronics for 0 signal
< 8 mA x (24 V/
U
s
)
Overvoltage configuration of the solenoid coil
No overvoltage damping
Built-in diode
Built-in suppressor diode
Operating times at 1.0 x
U
s
• Closing delay
ON-delay NO
ms
25 ... 90
OFF-delay NC
ms
15 ... 80
• Opening delay
ON-delay NO
ms
5 ... 20
20 ... 80
5 ... 20
OFF-delay NC
ms
10 ... 30
30 ... 90
10 ... 30
Upright mounting position
On request
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