Technical data
11.4 3RB30/3RB31 solid-state overload relays
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
128
Manual, 09/2014, A5E03656507420A/RS-AA/002
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
3RB301.,
3RB311.
3RB302.,
3RB312.
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
300
Rated impulse withstand voltage U
imp
kV
4
Contact rating of the auxiliary contacts
•
NC with alternating current AC-15,
rated operating current I
e
at U
e
:
24 V
A
4
120 V
A
4
125 V
A
4
250 V
A
3
•
NO with alternating current AC15,
rated operating current I
e
at U
e
:
24 V
A
4
120 V
A
4
125 V
A
4
250 V
A
3
•
NC, NO with direct current DC-13,
rated operating current I
e
at U
e
:
24 V
A
2
60 V
A
0,55
110 V
A
0,3
125 V
A
0,3
250 V
A
0,11
•
Conventional thermal current I
th
A
5
Short-circuit protection
•
With fuse operating class gL/gG
A
6
