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Technical data
11.4 3RB30/3RB31 solid-state overload relays
11.4.1.4
Auxiliary circuit
Technical data for the auxiliary circuit, 3RB30/3RB31 overload relays
Table 11- 14 Technical data for the auxiliary circuit, 3RB30/3RB31 overload relays
Type
Size
Width
Number of NO contacts
Number of NC contacts
Auxiliary contacts - Assignment
Rated insulation voltage U
i
(pollution degree 3)
Rated impulse withstand voltage U
Contact rating of the auxiliary contacts
NC with alternating current AC-15,
•
rated operating current I
24 V
120 V
125 V
250 V
NO with alternating current AC15,
•
rated operating current I
24 V
120 V
125 V
250 V
NC, NO with direct current DC-13,
•
rated operating current I
24 V
60 V
110 V
125 V
250 V
Conventional thermal current I
•
Short-circuit protection
With fuse operating class gL/gG
•
128
3RB301.,
3RB311.
S00
45 mm
V
kV
imp
at U
:
e
e
A
A
A
A
at U
:
e
e
A
A
A
A
at U
:
e
e
A
A
A
A
A
A
th
A
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
3RB302.,
3RB312.
S0
45 mm
1
1
1 NO for the "tripped" signal;
1 NC for disconnecting the contactor
300
4
4
4
4
3
4
4
4
3
2
0,55
0,3
0,3
0,11
5
6
Manual, 09/2014, A5E03656507420A/RS-AA/002
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