3RW5235-2TC05
3RW52 600V 143A 24V spring therm

From SIEMENS

SIRIUS soft starter 200-600 V 143 A, 24 V AC/DC spring-type terminals Thermistor input
Product brand nameSIRIUS
Product categoryHybrid switching devices
Product designationSoft starter
Product type designation3RW52
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 communication module Modbus RTU usable
of communication module Ethernet/IP
of circuit breaker usable at 400 V
of circuit breaker usable at 400 V at inside-delta circuit
of the gG fuse usable up to 690 V
of the gG fuse usable at inside-delta circuit up to 500 V
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 %
Stopping voltage [%]50 ... 50 %
Start-up ramp time of soft starter0 ... 20 s
Current limiting value [%] adjustable130 ... 700 %
Certificate of suitability
CE markingYes
UL approvalYes
CSA-approvalYes
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
Degree of pollution3, acc. to IEC 60947-4-2
Impulse voltage rated value6 kV
Blocking voltage of the thyristor maximum1 800 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
Vibration resistance15 mm to 6 Hz; 2g to 500 Hz
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
operating measured value displayYes; Only in conjunction with special accessories
error logbookYes; Only in conjunction with special accessories
via software parameterizableNo
via software configurableYes
PROFIenergyYes; in connection with the PROFINET Standard communication module
firmware updateYes
removable terminal for control circuitYes
torque controlNo
analog outputNo
Power Electronics
Operating current
at 40 °C rated value143 A
at 50 °C rated value128 A
at 60 °C rated value118 A
Operating current at inside-delta circuit
at 40 °C rated value248 A
at 50 °C rated value222 A
at 60 °C rated value204 A
Operating voltage
rated value200 ... 600 V
at inside-delta circuit rated value200 ... 600 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 value37 kW
at 230 V at inside-delta circuit at 40 °C rated value75 kW
at 400 V at 40 °C rated value75 kW
at 400 V at inside-delta circuit at 40 °C rated value132 kW
at 500 V at 40 °C rated value90 kW
at 500 V at inside-delta circuit at 40 °C rated value160 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
at rotary encoding switch on switch position 168 A
at rotary encoding switch on switch position 273 A
at rotary encoding switch on switch position 378 A
at rotary encoding switch on switch position 483 A
at rotary encoding switch on switch position 588 A
at rotary encoding switch on switch position 693 A
at rotary encoding switch on switch position 798 A
at rotary encoding switch on switch position 8103 A
at rotary encoding switch on switch position 9108 A
at rotary encoding switch on switch position 10113 A
at rotary encoding switch on switch position 11118 A
at rotary encoding switch on switch position 12123 A
at rotary encoding switch on switch position 13128 A
at rotary encoding switch on switch position 14133 A
at rotary encoding switch on switch position 15138 A
at rotary encoding switch on switch position 16143 A
minimum68 A
Adjustable motor current
for inside-delta circuit at rotary encoding switch on switch position 1118 A
for inside-delta circuit at rotary encoding switch on switch position 2126 A
for inside-delta circuit at rotary encoding switch on switch position 3135 A
for inside-delta circuit at rotary encoding switch on switch position 4144 A
for inside-delta circuit at rotary encoding switch on switch position 5152 A
for inside-delta circuit at rotary encoding switch on switch position 6161 A
for inside-delta circuit at rotary encoding switch on switch position 7170 A
for inside-delta circuit at rotary encoding switch on switch position 8178 A
for inside-delta circuit at rotary encoding switch on switch position 9187 A
for inside-delta circuit at rotary encoding switch on switch position 10196 A
for inside-delta circuit at rotary encoding switch on switch position 11204 A
for inside-delta circuit at rotary encoding switch on switch position 12213 A
for inside-delta circuit at rotary encoding switch on switch position 13222 A
for inside-delta circuit at rotary encoding switch on switch position 14230 A
for inside-delta circuit at rotary encoding switch on switch position 15239 A
for inside-delta circuit at rotary encoding switch on switch position 16248 A
at inside-delta circuit minimum118 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-up55 W
at 50 °C to power-up50 W
at 60 °C to power-up47 W
Power loss [W] at AC at AC
at 40 °C during startup2 127 W
at 50 °C during startup1 807 W
at 60 °C during startup1 605 W
Control circuit/ Control
Type of voltage of the control supply voltageAC/DC
Control supply voltage at AC
at 50 Hz rated value24 V
at 60 Hz rated value24 V
Relative negative tolerance of the control supply voltage at AC at 50 Hz-20 %
Relative positive tolerance of the control supply voltage at AC at 50 Hz20 %
Relative negative tolerance of the control supply voltage at AC at 60 Hz-20 %
Relative positive tolerance of the control supply voltage at AC at 60 Hz20 %
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 voltage
at DC rated value24 V
Relative negative tolerance of the control supply voltage at DC-20 %
Relative positive tolerance of the control supply voltage at DC20 %
Control supply current in standby mode rated value160 mA
Holding current in the by-pass mode operating rated value380 mA
Starting current at close of by-pass contact maximum7.6 A
Inrush current peak at connect of control supply voltage maximum3.3 A
Duration of inrush current peak at connect of control supply voltage12.1 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 typescrew fixing
Height306 mm
Width185 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 packaging6.6 kg
Connections/ Terminals
Type of electrical connection
for main current circuitbusbar connection
for control circuitspring-loaded terminals
Width of connection bar maximum25 mm
Type of connectable conductor cross-sections
for DIN cable lug for main contacts stranded2x (16 ... 95 mm²)
for DIN cable lug for main contacts finely stranded2x (25 ... 120 mm²)
Type of connectable conductor cross-sections
for control circuit solid2x (0.25 ... 1.5 mm²)
for control circuit finely stranded with core end processing2x (0.25 ... 1.5 mm²)
at AWG conductors for control circuit solid2x (24 ... 16)
at AWG conductors for control circuit finely stranded with core end processing2x (24 ... 16)
Wire length
between soft starter and motor maximum800 m
at the digital inputs at AC maximum100 m
at the digital inputs at DC maximum1 000 m
Tightening torque
for main contacts with screw-type terminals10 ... 14 N·m
for auxiliary and control contacts with screw-type terminals0.8 ... 1.2 N·m
Tightening torque [lbf·in]
for main contacts with screw-type terminals89 ... 124 lbf·in
for auxiliary and control contacts with screw-type terminals7 ... 10.3 lbf·in
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)
EMC emitted interferenceacc. to IEC 60947-4-2: Class A
Communication/ Protocol
Communication module is supported
PROFINET standardYes
EtherNet/IPYes
Modbus RTUYes
Modbus TCPYes
PROFIBUSYes
UL/CSA ratings
Manufacturer's article number
of circuit breaker
— usable for Standard Faults at 460/480 V according to ULSiemens type: 3VA52, max. 250 A; Iq = 10 kA
— usable for High Faults at 460/480 V according to ULSiemens type: 3VA52, max. 250 A; Iq max = 65 kA
— usable for Standard Faults at 460/480 V at inside-delta circuit according to ULSiemens type: 3VA52, max. 250 A; Iq = 10 kA
— usable for High Faults at 460/480 V at inside-delta circuit according to ULSiemens type: 3VA52, max. 250 A; Iq max = 65 kA
— usable for Standard Faults at 575/600 V according to ULSiemens type: 3VA52, max. 250 A; Iq = 10 kA
— usable for Standard Faults at 575/600 V at inside-delta circuit according to ULSiemens type: 3VA52, max. 250 A; Iq = 10 kA
of the fuse
— usable for Standard Faults up to 575/600 V according to ULType: Class RK5 / K5, max. 350 A; Iq = 10 kA
— usable for High Faults up to 575/600 V according to ULType: Class J / L, max. 350 A; Iq = 100 kA
— usable for Standard Faults at inside-delta circuit up to 575/600 V according to ULType: Class RK5 / K5, max. 350 A; Iq = 10 kA
— usable for High Faults at inside-delta circuit up to 575/600 V according to ULType: Class J / L, max. 350 A; Iq = 100 kA
Operating power [hp] for three-phase motors
at 200/208 V at 50 °C rated value40 hp
at 220/230 V at 50 °C rated value40 hp
at 460/480 V at 50 °C rated value100 hp
at 575/600 V at 50 °C rated value125 hp
at 200/208 V at inside-delta circuit at 50 °C rated value75 hp
at 220/230 V at inside-delta circuit at 50 °C rated value75 hp
at 460/480 V at inside-delta circuit at 50 °C rated value150 hp
at 575/600 V at inside-delta circuit at 50 °C rated value200 hp
Contact rating of auxiliary contacts according to ULR300-B300
Safety related data
Electromagnetic compatibilityin accordance with IEC 60947-4-2
Certificates/ approvals

External links