SIEMENS
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Siemens IC 10 · 2017
Power Contactors for Switching Motors
Accessories and Spare Parts for SIRIUS 3RT Contactors and SIRIUS 3RH2 Contactor Relays
Accessories
3
Solid-state time-delay auxiliary switch blocks, for snapping onto 3RT1 contactors
Conductor cross-sections
Connection type
(1 or 2 conductors can be connected)
Screw terminals
• Solid
mm
2
1 x (0.5 ... 4), 2 x (0.5 ... 2.5)
• Finely stranded with end sleeve (DIN 46228-1)
mm
2
1 x (0.5 ... 2.5), 2 x (0.5 ... 1.5)
• AWG cables, solid or stranded
AWG
2 x (20 ... 14)
• Terminal screws
M3 (for standard screwdriver size 2 or Pozidriv 2)
• Tightening torque
Nm
0.8 ... 1.2
Connection type
(1 or 2 conductors can be connected)
Spring-type terminals
• Solid
mm
2
2 x (0.25 ... 1.5)
• Finely stranded with end sleeve (DIN 46228-1)
mm
2
2 x (0.25 ... 1.5)
• Finely stranded without end sleeve
mm
2
2 x (0.25 ... 1.5)
• AWG cables, solid or stranded
AWG
2 x (24 ... 16)
• Operating devices
mm
3.0 x 0.5
Type
3RA2813
3RA2814
3RA2815
Function
ON-delay
OFF-delay
with control signal
OFF-delay without
control signal
Type
3RT1926-2E,
3RT1926-2F,
3RT1926-2G
Size
S6 to S12
General data
Dimensions (W x H x D)
mm
45 x 26 x 50
Rated insulation voltage
U
i
Pollution degree 3
Overvoltage category III according to
IEC 60664-1
V AC
250
Permissible ambient temperature
• During operation
°C
-25 ... +60
• During storage
°C
-40 ... +80
Degree of protection
acc. to IEC 60529
Terminals
IP20
Shock resistance
Half-sine acc. to IEC 60068-2-27
g
/ms
15/11
Vibration resistance
acc. to IEC 60068-2-6
Hz/mm
10 ... 55/0.35
Electromagnetic compatibility
(EMC)
IEC 61812-1
Permissible mounting position
Any
(see 3RT1 contactors,
page 3/44)
Control
Operating range of excitation
0.85 ... 1.1 x
U
s
,
0.95 ... 1.05 times the rated
frequency
Rated power
W
2
Power consumption at 230 V AC,
50 Hz
VA
4
Recovery time
ms
150
Minimum ON period
ms
200
(OFF-delay)
Setting accuracy,
typ.
with reference to upper limit of scale
%
15
Repeat accuracy,
max.
%
1
Load side
Rated operational currents
I
e
• AC-15, 230 V, 50 Hz
A
3
• DC-13, 24 V
A
1
• DC-13, 110 V
A
0.2
• DC-13, 230 V
A
0.1
Short-circuit protection
Fuse links, operational class gG:
DIAZED, type 5SB
A
4
Mechanical endurance
Operat-
ing
cycles
10 x 10
6
Switching frequency
for load
• with
I
e
at 230 V AC
h
-1
2 500
• With 3RT2016 contactor at 230 V AC
h
-1
5 500
Conductor cross-sections
Connection type
(1 or 2 conductors can be connected)
Screw terminals
• Solid
mm
2
2 x (0.5 ... 1.5)
2 x (0.75 ... 4)
• Finely stranded with end sleeve
mm
2
2 x (0.5 ... 2.5)
• AWG cables, solid or stranded
AWG
2 x (18 ... 14)
• Terminal screws
M3
• Tightening torque
Nm
0.8 ... 1.2
Type
3RT1926-2E,
3RT1926-2F,
3RT1926-2G
Size
S6 to S12
© Siemens AG 2016