SIRIUS 3RU2/3RB3 overload relays
5.10 Technical data
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
543
5.10.2.4
Auxiliary circuit
Table 5- 41 Technical data for the auxiliary circuit connection, 3RU21 overload relays
Type
3RU21 16
3RU21 26
Size
S00
S0
Width
45 mm
45 mm
Number of NO contacts
1
Number of NC contacts
1
Auxiliary contacts - Assignment
1 NO for the "tripped" signal;
1 NC for disconnecting the contactor
Rated insulation voltage U
i
(pollution degree 3)
V
690
Rated impulse withstand voltage U
imp
kV
6
Contact rating of the auxiliary contacts
NC with alternating current AC-14/AC-15,
rated operational current I
e
at U
e
- 24 V
A
4
- 120 V
A
4
- 125 V
A
4
- 230 V
A
3
- 400 V
A
2
- 600 V
A
0.75
- 690 V
A
0.75
NO with alternating current AC-14/AC-15,
rated operational current I
e
at U
e
- 24 V
A
3
- 120 V
A
3
- 125 V
A
3
- 230 V
A
2
- 400 V
A
1
- 600 V
A
0.75
- 690 V
A
0.75
NC, NO with direct current DC-13,
rated operational current I
e
at U
e
- 24 V
A
1
- 60 V
A
1)
- 110 V
A
0.22
- 125 V
A
0.22
- 220 V
A
0.11
Conventional thermal current I
th
A
6
Contact reliability
(suitability for PLC, 17 V, 5 mA)
Yes
Summary of Contents for SIRIUS 3RH Series
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