3RU11, 3RB10, and 3RB12 overload relays
SIRIUS System Manual
4-44
GWA 4NEB 430 0999-02b
1) The box terminal can be removed. After the box terminal has been removed, busbar and cable-lug connections are possible.
Ty p e 3RB10 16 3RB10 26 3RB10 36 3RB10 46
Frame size S00S0S2S3
Width 45 mm 45 mm 55 mm 70 mm
Main circuit
Rated insulation voltage
U
i
(pollution degree 3)
V 690 1000
Rated impulse strength
U
imp
kV 6 8
Rated operating voltage
U
e
V 690 1000
Current type
Direct current No
Alternating current Yes, 50/60 Hz ± 3 (other frequencies on request)
Current setting
A 0.1 - 0.4 0.1 - 0.4 6 - 25 13 - 50
Up to 3 - 12 Up to 6 - 25 Up to 13 - 50 Up to 25 - 100
Power loss per device (max.)
W Approximately
0.5
Short-circuit protection
With fuse, without contactor
With fuse and contactor
See the selection and ordering data in the NSK catalog as of page 4/4
See the technical specifications (short-circuit protection with fuses
for motor feeders)
Safe isolation
between
main and auxiliary conducting paths
In acc. with DIN VDE 0106 Part 101
IEC 60 947-1-A1
V On request
Connection of the main circuit
Connection type
Screw-type terminal Screw-type ter-
minal
with box termi-
nal
Screw-type ter-
minal with box
terminal
1
)/bar
connection
Screw-type terminal
•Terminal screw Pozidriv 2 Allen screw
4 mm
•Tightening torque Nm 0.8 to 1.2 2 to 2.5 3 to 4.5 4 to 6
•Connection cross-sections
(min./max.), 1 or 2 conductors
Single-core mm
2
2 x (0.5 to 1.5)
2 x (0.75 to 2.5)
max. 2 x
(1 to 4)
2 x (1 to 2.5)
2 x (2.5 to 6)
max. 2 x
(2.5 to 10)
2 x (0.75 to 16)
-
2 x (2.5 to 16)
-
Finely stranded without wire end ferrule mm
2
-
Finely stranded with wire end ferrule mm
2
2 x (0.5 to 1.5) 2 x (1 to 2.5) 2 x (0.75 to 16) 2 x (2.5 to 35)
mm
2
2 x (0.75 to 2.5) 2 x (2.5 to 6) 1 x (0.75 to 25) 1 x (2.5 to 50)
Stranded mm
2
2 x (0.5 to 1.5) 2 x (1 to 2.5) 2 x (0.75 to 25) 2 x (10 to 50)
mm
2
2 x (0.75 to 2.5)
max. 2 x
(1 to 4)
2 x (2.5 to 6)
max. 2 x
(2.5 to 10)
1 x (0.75 to 35) 1 x (10 to 70)
AWG cables, single- or multi-core AWG 2 x (18 to 14) 2 x (14 to 10) 2 x (18 to 3) 2 x (10 to 1/0)
AWG – – 1 x (18 to 1) 2 x (10 to 2/0)
Ribbon cables (number x width x depth) mm – – 2 x (6 x 9 x 0.8) 2 x (6 x 9 x 0.8)
Bar connection
•Terminal screw M 6 x 20
•Tightening torque Nm 4 to 6
•Connection cross-section Finely stranded with cable lug mm
2
- 2 x 70
(min./max.) Stranded with cable lug mm
2
- 2 x 70
AWG cables, single-core or stranded
with cable lug
AWG - 2/0
With connecting bars (max. width) mm - 12
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