Siemens SIRIUS 3RV1.2 System Manual

3RU11, 3RB10, and 3RB12 overload relays
SIRIUS System Manual
4-48
GWA 4NEB 430 0999-02b
Ty p e 3RB12 46 3RB12 53 3RB12 57 3RB12 62
Width 70 mm 120 mm 145 mm 230 mm
Main circuit
Rated insulation voltage
U
i
(pollution degree 3)
V 690 (for bare/
uninsulated
conductors)
1000 (for insula-
ted conductors)
1000
Rated impulse strength
U
imp
kV 6
8
Rated operating voltage
U
e
V690
1000
Current type
Direct current No
Alternating current Yes, 50/60 Hz
Current setting
A 1.25 - 6.3 50 - 205 125 - 500 200 - 820
Up to 25 - 100
Power loss per device (max.)
WApprox. 2
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 Up to 690 V
(using main cir-
cuit cables with
an impulse with-
stand voltage of
6 kV)
Up to 690
Connection of the main circuit
Connection type
Bar-type trans-
former connec-
tion
Bar connection
Screw-type terminal
• Terminal screw -
• Tightening torque Nm -
• Connection cross-section
(min./max.), 1 or 2 conductors
Single-core mm
2
-
Finely stranded without wire end ferrule mm
2
-
Finely stranded with wire end ferrule mm
2
-
mm
2
-
Stranded mm
2
-
mm
2
-
AWG cables, single- or multi-core AWG -
AWG -
Ribbon cables (number x width x depth) mm -
Bar connection
• Terminal screw -M8M10M 10 or M 12
• Tightening torque Nm - 10 to 14 14 to 24 14 to 24 (with
M10)
20 to 25 (with
M12)
• Connection cross-section Finely stranded with cable lug mm
2
- 35 to 95 50 to 240
(min./max.) Stranded with cable lug mm
2
- 50 to 120 70 to 240 185 to 240
AWG cables, single-core or stranded
with cable lug
AWG - 1/0 to 250 kcmil 2/0 to 500 kcmil 2/0 to 500 kcmil
With connecting bars (max. width) mm - 20 x 4 30 x 6 40 x 8
Bar-type transformer connection
• Opening diameter mm 10 (devices
≤
25 A max. set
current
I
e
)
15 (devices with
max. 100 A set
current
I
e
)
-
• Conductor cross-section NYY mm
2
--
• H07RN-F 10/16 -

Siemens SIRIUS 3RV1.2 Specifications

General

Brand	Siemens
Model	SIRIUS 3RV1.2
Category	Relays
Language	English