SIEMENS
7/25
Siemens IC 10 · 2017
Motor Starter Protectors/Circuit Breakers
SIRIUS 3RV2 Motor Starter Protectors/Circuit Breakers
General data
7
1)
For more information about short-circuit values, e.g. for protection against
high short-circuit currents,
see the UL reports of the individual devices,
www.siemens.com/sirius/manuals
.
Motor feeder connectors for motor starter protectors/
circuit breakers with screw terminals
Version
Type
3RT1900-4RE01
3RT1926-4RD01
Motor feeder connector S0
Adapter S0
General data
Rated insulation voltage
U
i
(pollution degree 3)
V
690
Rated impulse withstand voltage
U
imp
(pollution degree 3)
kV
6
Rated operational voltage
U
e
V
440
Rated frequency
f
Hz
50/60
For AC operation
Rated operational current
I
e
AC-3 at 400 V
A
25
Mechanical endurance
Operating cycles
10 million
Electrical endurance at
I
e
Operating cycles
1 million
Protective separation according to IEC 60947-1
(pollution degree 3)
V
400
Permissible ambient temperature
• During operation
°C
-25 ... +60
-50 ... +80
• During storage
°C
Degree of protection acc. to IEC 60529
IP20 (front side)
Conductor cross-sections
Connection type
Screw terminals
• Solid
mm
2
1 x (0.5 ... 6)
• Finely stranded without/with end sleeve
mm
2
1 x (0.5 ... 6)
• Stranded
mm
2
1 x (0.5 ... 6)
• AWG cables, solid or stranded
AWG
1 x (20 ... 10)
• Tightening torque
Nm
0.6 ... 0.8
• Corresponding opening tool
Cross-tip screwdriver PZ2
s
and
u
rated data
Rated operational voltage
U
e
V
480
Rated insulation voltage
U
i
V
600
Uninterrupted current, at 40 °C
A
25
Short-circuit protection
1)
• At 600 V
kA
5
• CLASS RK5 fuse
A
100
• Circuit breaker
with overload protection acc. to UL 489
A
100
Combination motor controllers type E according to UL 508
At 480 V
Type
3RV202
A
22
kA
65
At 600 V
Type
3RV202
A
22
kA
10
© Siemens AG 2016