{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RW5234-2AC14","brand":"Siemens","brandSlug":"siemens","productSlug":"3RW5234-2AC14","canonicalUrl":"https://aoctrl.com/siemens/3RW5234-2AC14","factsUrl":"https://aoctrl.com/api/mcp/products/3RW5234-2AC14","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RW5234-2AC14 soft starter, 53 A minimum, 200-480 V rated, Trip Class 10A/10E/20E, PROFIBUS/Modbus/EtherNet/IP/PROFINET, 203x185x306 mm.","salesMarkdown":"## Trip class and motor protection — what 10A/10E/20E means for your start profile The 3RW5234-2AC14 is configured with Trip Class 10A as default, with selectable 10E and 20E options per IEC 60947-4-2. If you're coordinating with upstream motor protection, match the trip class to the motor's thermal damage curve. A pump with a soft start profile rarely needs more than Class 10A; a crusher or conveyor with long acceleration time may need Class 20E to avoid a trip before the motor reaches full speed. ## Fieldbus lineup — PROFIBUS, Modbus, EtherNet/IP, PROFINET This soft starter natively supports PROFIBUS, Modbus RTU, Modbus TCP, EtherNet/IP, and PROFINET — no separate gateway module needed for any of these. That means you can drop it into a Siemens S7-1500 environment on PROFINET, or into a Rockwell CompactLogix rack on EtherNet/IP, and the I/O mapping is handled through the standard GSDML or EDS file. PROFIenergy is available when used with the PROFINET communication module — useful for energy management in automated lines where the soft starter needs to report power consumption during idle phases. ## Panel fit — dimensions and mounting clearances The 3RW5234-2AC14 measures 203 mm deep, 185 mm wide, and 306 mm high — screw fixing to the mounting plate, not DIN rail. Clearance requirements: 100 mm above, 75 mm below, 10 mm in front, 5 mm at the sides, and 0 mm behind. That 100 mm upward gap is non-negotiable for airflow — the soft starter's thyristor stack needs that space to dissipate heat, especially if you're running near the 53 A minimum. The shock resistance is 15 g for 11 ms, dropping to 12 g if contact lifting is a concern. ## Active production and sourcing posture CE, UL, and CSA approvals are on file — the UL mark covers the US market, CSA covers Canada, and CE covers the EU.","metaTitle":"Siemens 3RW5234-2AC14 SIRIUS Soft Starter, 53 A, 200-480 V","metaDescription":"Siemens 3RW5234-2AC14 SIRIUS soft starter, rated 53 A min, 200-480 V, Trip Class 10A/10E/20E. Active production. CE, UL, CSA. Quoted to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Soft Starters"],"specifications":{"Depth":"203 mm","Width":"185 mm","title":"3RW5234-2AC14","Height":"306 mm","Minimum":"53 A","Upwards":"100 mm","Forwards":"10 mm","PROFIBUS":"Yes","at 50 Hz":"110 ... 250 V","at 60 Hz":"110 ... 250 V","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 113 A, 110-250 V AC spring-type 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","Product Brand Name":"SIRIUS","Degree Of Pollution":"3, acc. to IEC 60947-4-2","For Control Circuit":"spring-loaded 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","Ramp-Down (Soft Stop)":"Yes","at 40 °C rated value":"196 A","at 50 °C rated value":"175 A","at 60 °C rated value":"154 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":"46 W","at 50 °C after startup":"42 W","at 60 °C after startup":"39 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":"1 512 W","at 50 °C during startup":"1 291 W","at 60 °C during startup":"1 086 W","For Control Circuit Solid":"2x (0.25 ... 1.5 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":"30 kW","at 400 V at 40 °C rated value":"55 kW","At Inside-Delta Circuit Minimum":"91.8 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":"30 hp","at 220/230 V at 50 °C rated value":"30 hp","at 460/480 V at 50 °C rated value":"75 hp","of circuit breaker usable at 400 V":"3VA2216-7MN32-0AA0 ; 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","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":"2x (24 ... 16)","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":"53 A","At Rotary Coding Switch On Switch Position 2":"57 A","At Rotary Coding Switch On Switch Position 3":"61 A","At Rotary Coding Switch On Switch Position 4":"65 A","At Rotary Coding Switch On Switch Position 5":"69 A","At Rotary Coding Switch On Switch Position 6":"73 A","At Rotary Coding Switch On Switch Position 7":"77 A","At Rotary Coding Switch On Switch Position 8":"81 A","At Rotary Coding Switch On Switch Position 9":"85 A","for DIN cable lug for main contacts stranded":"2x (16 ... 95 mm²)","At Rotary Coding Switch On Switch Position 10":"89 A","At Rotary Coding Switch On Switch Position 11":"93 A","At Rotary Coding Switch On Switch Position 12":"97 A","At Rotary Coding Switch On Switch Position 13":"101 A","At Rotary Coding Switch On Switch Position 14":"105 A","At Rotary Coding Switch On Switch Position 15":"109 A","At Rotary Coding Switch On Switch Position 16":"113 A","Type Of Voltage Of The Control Supply Voltage":"AC","Holding Current In Bypass Operation Rated Value":"75 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":"30 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":"2.5 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":"3VA2220-7MN32-0AA0 ; 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":"2x (0.25 ... 1.5 mm²)","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":"12.2 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 1":"91.8 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 2":"98.7 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 3":"106 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 4":"113 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 5":"120 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 6":"126 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 7":"133 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 8":"140 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 9":"147 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 10":"154 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 11":"161 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 12":"168 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 13":"175 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 14":"182 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 15":"189 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 16":"196 A","of back-up R fuse link for semiconductor protection usable up to 690 V":"3NE3332-0B ; Type of coordination 2, Iq = 65 kA","Duration Of Inrush Current Peak At Application Of Control Supply Voltage":"2.2 ms","relative negative tolerance of the control supply voltage at AC at 50 Hz":"-15 %","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 50 Hz":"10 %","relative positive tolerance of the control supply voltage at AC at 60 Hz":"10 %","of full range R fuse link for semiconductor protection usable up to 690 V":"3NE1225-0 ; Type of coordination 2, Iq = 65 kA","at AWG cables for control circuit finely stranded with core end processing":"2x (24 ... 16)","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/18687396cce354317a2c708ba683ab43.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=830586&mlfb=3RW5234-2AC14"},"ai":{"faq":[{"question":"What compliance documentation does Siemens provide for 3RW5234-2AC14?","answer":"CE marking, UL approval, and CSA approval are confirmed on the product record. These cover the EU, US, and Canadian regulatory requirements respectively."},{"question":"What is the closest alternative to 3RW5234-2AC14 in the SIRIUS soft starter family?","answer":"The 3RW5234 series includes multiple voltage and current variants; the closest functional match would share the same frame size and trip class options but differ in rated voltage range or minimum current setting. Confirm the BOM's voltage and current requirements before selecting an alternate."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RW5234-2AC14","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/3RW5234-2AC14 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}}