3RW5247-6TC14
3RW52 480V 470A 110-250V screw therm

From SIEMENS

SIRIUS soft starter 200-480 V 470 A, 110-250 V AC Screw terminals Thermistor input
Product brand nameSIRIUS
Product categoryHybrid switching devices
Product designationSoft starter
Manufacturer's article number
of HMI module usable
of HMI-Modul high-feature usable
of communication module PROFINET standard usable
of communication module PROFIBUS usable
of communication module Modbus TCP usable
of circuit breaker usable at 400 V
of circuit breaker usable at 500 V
of circuit breaker usable at 400 V at inside-delta circuit
of circuit breaker usable at 500 V at inside-delta circuit
of the gG fuse usable up to 690 V2x3NA3365-6; Type of coordination 1, Iq = 65 kA
of the gG fuse usable at inside-delta circuit up to 500 V2x3NA3365-6; Type of coordination 1, Iq = 65 kA
of full range R fuse link for semiconductor protection usable up to 690 V
of back-up R fuse link for semiconductor protection usable up to 690 V
General technical data
Starting voltage [%]30 ... 100 %
Start-up ramp time of soft starter0 ... 20 s
Current limiting value [%] adjustable130 ... 700 %
Product component
is supported HMI-StandardYes
is supported HMI-High FeatureYes
Product feature integrated bypass contact systemYes
Number of controlled phases3
Trip classCLASS 10A (default) / 10E / 20E; acc. to IEC 60947-4-2
Insulation voltage
rated value600 V
Impulse voltage rated value6 kV
Blocking voltage of the thyristor maximum1 600 V
Service factor1
Surge voltage resistance rated value6 kV
maximum permissible voltage for safe isolation
between main and auxiliary circuit600 V
Protection class IPIP00
Usage category acc. to IEC 60947-4-2AC 53a
Shock resistance15 g / 11 ms, from 12 g / 11 ms with potential contact lifting
Reference code acc. to DIN EN 81346-2Q
Product function
ramp-up (soft starting)Yes
ramp-down (soft stop)Yes
Soft TorqueYes
Adjustable current limitationYes
pump ramp downYes
Intrinsic device protectionYes
motor overload protectionYes; Full motor protection (thermistor motor protection and electronic motor overload protection)
Evaluation of thermistor motor protectionYes; Type A PTC or Klixon / Thermoclick
inside-delta circuitYes
Auto-resetYes
Manual RESETYes
remote resetYes; By turning off the control supply voltage
communication functionYes
via software configurableYes
PROFIenergyYes; in connection with the PROFINET Standard communication module
firmware updateYes
removable terminal for control circuitYes
analog outputNo
Power Electronics
Operating current
at 40 °C rated value470 A
at 50 °C rated value416 A
at 60 °C rated value380 A
Operating current at inside-delta circuit
at 40 °C rated value814 A
at 50 °C rated value721 A
at 60 °C rated value658 A
Operating voltage
rated value200 ... 480 V
at inside-delta circuit rated value200 ... 480 V
Relative negative tolerance of the operating voltage-15 %
Relative positive tolerance of the operating voltage10 %
Relative negative tolerance of the operating voltage at inside-delta circuit-15 %
Relative positive tolerance of the operating voltage at inside-delta circuit10 %
Operating power for three-phase motors
at 230 V at 40 °C rated value132 kW
at 230 V at inside-delta circuit at 40 °C rated value250 kW
at 400 V at 40 °C rated value250 kW
at 400 V at inside-delta circuit at 40 °C rated value400 kW
Operating frequency 1 rated value50 Hz
Operating frequency 2 rated value60 Hz
Relative negative tolerance of the operating frequency-10 %
Relative positive tolerance of the operating frequency10 %
Adjustable motor current
minimum200 A
at inside-delta circuit minimum346 A
Minimum load [%]15 %; Relative to smallest settable Ie
Power loss [W] for rated value of the current at AC
at 40 °C to power-up153 W
at 50 °C to power-up137 W
at 60 °C to power-up126 W
Control circuit/ Control
Type of voltage of the control supply voltageAC
Control supply voltage at AC
at 50 Hz110 ... 250 V
at 60 Hz110 ... 250 V
Relative negative tolerance of the control supply voltage at AC at 50 Hz-15 %
Relative positive tolerance of the control supply voltage at AC at 50 Hz10 %
Relative negative tolerance of the control supply voltage at AC at 60 Hz-15 %
Relative positive tolerance of the control supply voltage at AC at 60 Hz10 %
Control supply voltage frequency50 ... 60 Hz
Relative negative tolerance of the control supply voltage frequency-10 %
Relative positive tolerance of the control supply voltage frequency10 %
Control supply current in standby mode rated value30 mA
Holding current in the by-pass mode operating rated value100 mA
Starting current at close of by-pass contact maximum2.2 A
Inrush current peak at connect of control supply voltage maximum12.2 A
Duration of inrush current peak at connect of control supply voltage2.2 ms
Design of the overvoltage protectionVaristor
Design of short-circuit protection for control circuit4 A gG fuse (Icu=1 kA), 6 A quick-acting fuse (Icu=1 kA), C1 miniature circuit breaker (Icu= 600 A), C6 miniature circuit breaker (Icu= 300 A); Is not part of scope of supply
Inputs/ Outputs
Number of digital inputs1
Number of inputs for thermistor connection1; Type A PTC or Klixon / Thermoclick
Number of digital outputs3
not parameterizable2
Digital output version2 normally-open contacts (NO) / 1 changeover contact (CO)
Number of analog outputs0
Switching capacity current of the relay outputs
at AC-15 at 250 V rated value3 A
at DC-13 at 24 V rated value1 A
Installation/ mounting/ dimensions
Mounting positionwith vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back
(mounting type)screw fixing
Height393 mm
Width210 mm
Depth203 mm
Required spacing with side-by-side mounting
forwards10 mm
Backwards0 mm
upwards100 mm
downwards75 mm
at the side5 mm
Installation altitude at height above sea level maximum5 000 m; Derating as of 1000 m, see catalog
Weight without packaging9.9 kg
Connections/Terminals
Type of electrical connection
for main current circuitscrew-type terminals
for control circuitscrew-type terminals
Type of connectable conductor cross-sections
for DIN cable lug for main contacts stranded2x (50 ... 240 mm²)
for DIN cable lug for main contacts finely stranded2x (70 ... 240 mm²)
Type of connectable conductor cross-sections
for control circuit solid1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²)
for control circuit finely stranded with core end processing1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)
at AWG conductors for control circuit solid1x (20 ... 12), 2x (20 ... 14)
Wire length
between soft starter and motor maximum800 m
at the digital inputs at AC maximum100 m
Ambient conditions
Ambient temperature
during operation-25 ... +60 °C; Please observe derating at temperatures of 40 °C or above
during storage and transport-40 ... +80 °C
Environmental category
during operation acc. to IEC 607213K6 (no ice formation, only occasional condensation), 3C3 (no salt mist), 3S2 (sand must not get into the devices), 3M6
during storage acc. to IEC 607211K6 (only occasional condensation), 1C2 (no salt mist), 1S2 (sand must not get inside the devices), 1M4
during transport acc. to IEC 607212K2, 2C1, 2S1, 2M2 (max. fall height 0.3 m)
Communication/ Protocol
Communication module is supported
PROFINET standardYes
Modbus TCPYes
PROFIBUSYes
UL/CSA ratings
Manufacturer's article number
of fuse
— at Standard Faults usable up to 575/600 V according to ULType: Class J / L, max. 1600 A; Iq = 30 kA
— at Standard Faults usable at inside-delta circuit up to 575/600 V according to ULType: Class J / L, max. 1600 A; Iq = 30 kA
Operating power [hp] for three-phase motors
at 200/208 V at 50 °C rated value150 hp
at 220/230 V at 50 °C rated value150 hp
at 460/480 V at 50 °C rated value350 hp
at 200/208 V at inside-delta circuit at 50 °C rated value250 hp
at 220/230 V at inside-delta circuit at 50 °C rated value250 hp
at 460/480 V at inside-delta circuit at 50 °C rated value600 hp
Contact rating of auxiliary contacts according to ULR300-B300

External links