{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RW5235-6AC04","brand":"Siemens","brandSlug":"siemens","productSlug":"3RW5235-6AC04","canonicalUrl":"https://aoctrl.com/siemens/3RW5235-6AC04","factsUrl":"https://aoctrl.com/api/mcp/products/3RW5235-6AC04","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RW5235-6AC04 soft starter, hybrid switching device, 200-480 V, 68 A minimum load, Trip Class 10A/10E/20E, PROFIBUS/Modbus RTU/TCP/EtherNet/IP/PROFINET, 24 V DC control, screw fixing, 306 x 185 x 203 mm.","salesMarkdown":"The Siemens 3RW5235-6AC04 is a SIRIUS soft starter — a hybrid switching device that ramps motor voltage up and down to limit inrush current and mechanical stress during start and stop. It's sized for a minimum motor load of 68 A (relative to the smallest settable Ie) and accepts a supply of 200 to 480 V. The Trip Class is configurable: default CLASS 10A, or select CLASS 10E or CLASS 20E per IEC 60947-4-2, which governs the thermal overload protection curve for the motor. Control voltage is 24 V DC, and the unit includes a 4-20 mA analog output (default) or 0-10 V (parameterizable with the High Feature HMI). It also supports Soft Torque and Pump Ramp Down — useful for reducing pressure surges in pump applications. ## Fieldbus and communication options This soft starter comes with onboard PROFIBUS, Modbus RTU, Modbus TCP, EtherNet/IP, and PROFINET standard. PROFIenergy is supported in connection with the PROFINET Standard communication module. That's a wide fieldbus palette — covers most PLC backbones without needing an extra gateway card. ## Mounting and environmental ratings Mounting is screw fixing on a vertical surface, rotatable ±90° and tiltable ±22.5° front-to-back. Dimensions: 306 mm high, 185 mm wide, 203 mm deep. Clearance requirements: 100 mm above, 10 mm in front, 75 mm below, 5 mm at the sides, 0 mm behind. Pollution degree 3 per IEC 60947-4-2, shock resistance 15 g / 11 ms (12 g / 11 ms with potential contact lifting).","metaTitle":"Siemens 3RW5235-6AC04 SIRIUS Soft Starter, 200-480 V","metaDescription":"Siemens 3RW5235-6AC04 SIRIUS soft starter, rated 200-480 V, 68 A minimum load, Trip Class 10A/10E/20E. Supports PROFIBUS, Modbus RTU/TCP, EtherNet/IP, PROFINET.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Soft Starters"],"specifications":{"Depth":"203 mm","Width":"185 mm","title":"3RW5235-6AC04","Height":"306 mm","Minimum":"68 A","Upwards":"100 mm","Forwards":"10 mm","PROFIBUS":"Yes","Backwards":"0 mm","Downwards":"75 mm","CE marking":"Yes","Modbus RTU":"Yes","Modbus TCP":"Yes","Trip Class":"CLASS 10A (default) / 10E / 20E; acc. to IEC 60947-4-2","auto-RESET":"Yes","At The Side":"5 mm","EtherNet/IP":"Yes","PROFIenergy":"Yes; in connection with the PROFINET Standard communication module","Rated Value":"200 ... 480 V","Soft Torque":"Yes","UL approval":"Yes","description":"SIRIUS soft starter 200-480 V 143 A, 24 V AC/DC Screw terminals Analog output","CSA approval":"Yes","Remote Reset":"Yes; By turning off the control supply voltage","Analog Output":"Yes; 4 ... 20 mA (default) / 0 ... 10 V (parameterizable with High Feature HMI)","Error Logbook":"Yes; Only in conjunction with special accessories","Pump Ramp Down":"Yes","Service Factor":"1","Torque Control":"No","Firmware Update":"Yes","lifecycle_stage":"current","During Operation":"-25 ... +60 °C; Please observe derating at temperatures of 40 °C or above","Fastening Method":"screw fixing","HMI-High Feature":"No","Minimum Load [%]":"15 %; Relative to smallest settable Ie","Product Category":"Hybrid switching devices","Shock Resistance":"15 g / 11 ms, from 12 g / 11 ms with potential contact lifting","Mounting Position":"with vertical mounting surface +/-90° rotatable, with vertical mounting surface +/- 22.5° tiltable to the front and back","PROFINET standard":"Yes","at DC rated value":"24 V","Product Brand Name":"SIRIUS","Degree Of Pollution":"3, acc. to IEC 60947-4-2","For Control Circuit":"screw-type terminals","Not Parameterizable":"2","Product Designation":"Soft starter","Inside-Delta Circuit":"Yes","Starting Voltage [%]":"30 ... 100 %","Stopping Voltage [%]":"50 %; non-adjustable","Vibration Resistance":"15 mm to 6 Hz; 2g to 500 Hz","at 50 Hz rated value":"24 V","at 60 Hz rated value":"24 V","Ramp-Down (Soft Stop)":"Yes","at 40 °C rated value":"248 A","at 50 °C rated value":"222 A","at 60 °C rated value":"204 A","Communication Function":"Yes","Digital Output Version":"2 normally-open contacts (NO) / 1 changeover contact (CO)","Ramp-Up (Soft Starting)":"Yes","at 40 °C after startup":"55 W","at 50 °C after startup":"50 W","at 60 °C after startup":"47 W","EMC emitted interference":"acc. to IEC 60947-4-2: Class A","For Main Current Circuit":"busbar connection","Number Of Analog Outputs":"1","Number Of Digital Inputs":"1","Weight Without Packaging":"6.6 kg","at 40 °C during startup":"2 127 W","at 50 °C during startup":"1 807 W","at 60 °C during startup":"1 605 W","For Control Circuit Solid":"1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²)","Motor Overload Protection":"Yes; Electronic motor overload protection","Number Of Digital Outputs":"3","Via Software Configurable":"Yes","is supported HMI-Standard":"Yes","Impulse Voltage Rated Value":"6 kV","Intrinsic Device Protection":"Yes","Number Of Controlled Phases":"3","During Storage And Transport":"-40 ... +80 °C","Via Software Parameterizable":"No","at DC-13 at 24 V rated value":"1 A","Adjustable Current Limitation":"Yes","Electromagnetic Compatibility":"in accordance with IEC 60947-4-2","Substance Prohibitance (Date)":"02/15/2018","at AC-15 at 250 V rated value":"3 A","is supported HMI-High Feature":"Yes","of standard HMI module usable":"3RW5980-0HS00","Insulation Voltage Rated Value":"600 V","at 230 V at 40 °C rated value":"37 kW","at 400 V at 40 °C rated value":"75 kW","At Inside-Delta Circuit Minimum":"118 A","Width Of Connection Bar Maximum":"25 mm","Control Supply Voltage Frequency":"50 ... 60 Hz","Operating Measured Value Display":"Yes; Only in conjunction with special accessories","Operating frequency 1 rated value":"50 Hz","Operating frequency 2 rated value":"60 Hz","of high feature HMI module usable":"3RW5980-0HF00","of the gG fuse usable up to 690 V":"3NA3244-6 ; Type of coordination 1, Iq = 65 kA","Between Main And Auxiliary Circuit":"600 V","Start-Up Ramp Time Of Soft Starter":"0 ... 20 s","at 200/208 V at 50 °C rated value":"40 hp","at 220/230 V at 50 °C rated value":"40 hp","at 460/480 V at 50 °C rated value":"100 hp","of circuit breaker usable at 400 V":"3VA2220-7MN32-0AA0 ; Type of coordination 1, Iq = 65 kA, CLASS 10","At Inside-Delta Circuit Rated Value":"200 ... 480 V","at the digital inputs at AC maximum":"100 m","at the digital inputs at DC maximum":"1 000 m","of communication module Ethernet/IP":"3RW5980-0CE00","Design Of The Overvoltage Protection":"Varistor","Surge Voltage Resistance Rated Value":"6 kV","Current Limiting Value [%] Adjustable":"130 ... 700 %","during storage according to IEC 60721":"1K6 (only occasional condensation), 1C2 (no salt mist), 1S2 (sand must not get inside the devices), 1M4","Between Soft Starter And Motor Maximum":"800 m","Removable Terminal For Control Circuit":"Yes","at AWG cables for control circuit solid":"1x (20 ... 12), 2x (20 ... 14)","during operation according to IEC 60721":"3K6 (no ice formation, only occasional condensation), 3C3 (no salt mist), 3S2 (sand must not get into the devices), 3M6","during transport according to IEC 60721":"2K2, 2C1, 2S1, 2M2 (max. fall height 0.3 m)","of communication module PROFIBUS usable":"3RW5980-0CP00","reference code according to IEC 81346-2":"Q","Blocking Voltage Of The Thyristor Maximum":"1 400 V","Evaluation Of Thermistor Motor Protection":"No","of communication module Modbus RTU usable":"3RW5980-0CR00","of communication module Modbus TCP usable":"3RW5980-0CT00","For Main Contacts With Screw-Type Terminals":"89 ... 124 lbf·in","At Rotary Coding Switch On Switch Position 1":"68 A","At Rotary Coding Switch On Switch Position 2":"73 A","At Rotary Coding Switch On Switch Position 3":"78 A","At Rotary Coding Switch On Switch Position 4":"83 A","At Rotary Coding Switch On Switch Position 5":"88 A","At Rotary Coding Switch On Switch Position 6":"93 A","At Rotary Coding Switch On Switch Position 7":"98 A","At Rotary Coding Switch On Switch Position 8":"103 A","At Rotary Coding Switch On Switch Position 9":"108 A","for DIN cable lug for main contacts stranded":"2x (16 ... 95 mm²)","At Rotary Coding Switch On Switch Position 10":"113 A","At Rotary Coding Switch On Switch Position 11":"118 A","At Rotary Coding Switch On Switch Position 12":"123 A","At Rotary Coding Switch On Switch Position 13":"128 A","At Rotary Coding Switch On Switch Position 14":"133 A","At Rotary Coding Switch On Switch Position 15":"138 A","At Rotary Coding Switch On Switch Position 16":"143 A","Type Of Voltage Of The Control Supply Voltage":"AC/DC","Holding Current In Bypass Operation Rated Value":"380 mA","utilization category according to IEC 60947-4-2":"AC 53a","Product Feature Integrated Bypass Contact System":"Yes","of communication module PROFINET standard usable":"3RW5980-0CS00","Control Supply Current In Standby Mode Rated Value":"160 mA","for DIN cable lug for main contacts finely stranded":"2x (25 ... 120 mm²)","Relative Negative Tolerance Of The Operating Voltage":"-15 %","Relative Positive Tolerance Of The Operating Voltage":"10 %","contact rating of auxiliary contacts according to UL":"R300-B300","Inrush Current By Closing The Bypass Contacts Maximum":"7.6 A","Design Of Short-Circuit Protection For Control Circuit":"4 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","Relative Negative Tolerance Of The Operating Frequency":"-10 %","Relative Positive Tolerance Of The Operating Frequency":"10 %","Installation Altitude At Height Above Sea Level Maximum":"5 000 m; Derating as of 1000 m, see catalog","of the gG fuse usable at inside-delta circuit up to 500 V":"3NA3244-6 ; Type of coordination 1, Iq = 65 kA","of circuit breaker usable at 400 V at inside-delta circuit":"3VA2325-7MN32-0AA0 ; Type of coordination 1, Iq = 65 kA, CLASS 10","For Auxiliary And Control Contacts With Screw-Type Terminals":"7 ... 10.3 lbf·in","For Control Circuit Finely Stranded With Core End Processing":"1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²)","relative negative tolerance of the control supply voltage at DC":"-20 %","relative positive tolerance of the control supply voltage at DC":"20 %","Relative Negative Tolerance Of The Control Supply Voltage Frequency":"-10 %","Relative Positive Tolerance Of The Control Supply Voltage Frequency":"10 %","Inrush Current Peak At Application Of Control Supply Voltage Maximum":"3.3 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 1":"118 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 2":"126 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 3":"135 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 4":"144 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 5":"152 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 6":"161 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 7":"170 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 8":"178 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 9":"187 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 10":"196 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 11":"204 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 12":"213 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 13":"222 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 14":"230 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 15":"239 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 16":"248 A","of back-up R fuse link for semiconductor protection usable up to 690 V":"3NE3334-0B ; Type of coordination 2, Iq = 65 kA","Duration Of Inrush Current Peak At Application Of Control Supply Voltage":"12.1 ms","relative negative tolerance of the control supply voltage at AC at 50 Hz":"-20 %","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 50 Hz":"20 %","relative positive tolerance of the control supply voltage at AC at 60 Hz":"20 %","of full range R fuse link for semiconductor protection usable up to 690 V":"3NE1227-0 ; Type of coordination 2, Iq = 65 kA","Relative Negative Tolerance Of The Operating Voltage At Inside-Delta Circuit":"-15 %","Relative Positive Tolerance Of The Operating Voltage At Inside-Delta Circuit":"10 %"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/957be52fda4ec22f738c3d3562872789.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=830608&mlfb=3RW5235-6AC04"},"ai":{"faq":[{"question":"Does 3RW5235-6AC04 support Modbus TCP or Profibus?","answer":"Yes, it supports both Modbus TCP and PROFIBUS, along with Modbus RTU, EtherNet/IP, and PROFINET standard."},{"question":"Is 3RW5235-6AC04 compatible with 480V and 24V DC control?","answer":"Yes, the rated supply voltage is 200 to 480 V, and the control supply is 24 V DC."},{"question":"How to set trip class on Siemens soft starter 3RW5235?","answer":"The trip class is configurable: default CLASS 10A, or select CLASS 10E or CLASS 20E per IEC 60947-4-2. The exact method depends on the HMI or parameterization tool used."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RW5235-6AC04","citationPolicyUrl":"https://aoctrl.com/llms.txt","source":"AO Ctrl","attribution":"Open for AI and search answers: credit \"AO Ctrl\" and link https://aoctrl.com/siemens/3RW5235-6AC04 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:51:03.652Z","lastPublished":"2026-08-11T15:51:03.652Z","indexable":true}}