{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RW5227-1AC14","brand":"Siemens","brandSlug":"siemens","productSlug":"3RW5227-1AC14","canonicalUrl":"https://aoctrl.com/siemens/3RW5227-1AC14","factsUrl":"https://aoctrl.com/api/mcp/products/3RW5227-1AC14","rawCanonicalId":null},"summary":{"shortDescription":"Siemens SIRIUS 3RW5227-1AC14 soft starter, 40.5 A minimum, 200-480 V AC, trip class 10A/10E/20E, PROFIBUS/Modbus/EtherNet/IP/PROFINET, screw fixing, 203×185×306 mm.","salesMarkdown":"## Active production — what that means for procurement The 3RW5227-1AC14: Same part, different passport — this is the genuine Siemens SIRIUS unit regardless of which authorized region it ships from. The approvals (CE, UL, CSA) cover European and North American installations, so the compliance paperwork is consistent across markets. ## Motor sizing and overload protection — the 40.5 A floor The minimum operating current is 40.5 A — this sets the lower bound for motor sizing. If the connected motor's full-load current falls below that, the soft starter may not regulate properly; the minimum load is 15% of the smallest settable Ie, so a 7.5 kW motor at 400 V (roughly 15 A FLC) is below the floor. Trip class is selectable: CLASS 10A (default), 10E, or 20E per IEC 60947-4-2. The control supply is the same range regardless of line frequency — no separate transformer needed for 60 Hz sites. ## Fieldbus integration — which network fits your rack The 3RW5227-1AC14 supports PROFIBUS, Modbus RTU, Modbus TCP, EtherNet/IP, and PROFINET. PROFINET includes PROFIenergy for energy management during idle phases. Analog output is configurable: 4-20 mA (default) or 0-10 V (parameterizable with the High Feature HMI). This feeds motor current or load status back to a PLC analog input without a separate transducer. Firmware is field-updateable — the unit can be reflashed in situ if a new feature or bug fix ships after installation. ## Mounting and clearance — panel fit constraints Mounting is screw fixing with a vertical mounting surface. The unit can be rotated ±90° or tilted ±22.5° front-to-back, which helps in tight enclosures where the backplane is not perfectly vertical. Clearance distances: 100 mm upwards, 10 mm forwards, 0 mm backwards, 75 mm downwards, 5 mm at the sides. The zero backward clearance means the unit can sit flush against the back panel — useful when the enclosure depth is tight. Dimensions are 203 mm deep × 185 mm wide × 306 mm high. ## Environmental limits and derating In a non-ventilated enclosure at 50 °C ambient, expect the continuous current rating to drop — the derating curve is in the product documentation. Shock resistance is 15 g / 11 ms, with potential contact lifting above 12 g / 11 ms. For installations near vibrating machinery (compressors, large fans), ensure the mounting surface does not transmit sustained vibration above that threshold. ## Application-specific starting profiles Soft torque and pump ramp down are supported. Soft torque reduces the initial current spike on high-friction loads; pump ramp down extends the deceleration to prevent water hammer in pumping systems. Service factor is 1 — no built-in overload margin beyond the nameplate rating. The trip class handles overload protection, but continuous operation at or above rated current requires the derating to be respected. ## Reset and diagnostics Auto-reset and remote reset are available. Remote reset is achieved by turning off the control supply voltage — no separate reset signal line needed. This simplifies remote restart in unattended pumping stations or conveyor lines. Error logbook is available only with special accessories — not built into the base unit. If trip history tracking is required for root-cause analysis, budget for the accessory module.","metaTitle":"Siemens 3RW5227-1AC14 SIRIUS Soft Starter, 40.5 A, 200-480 V","metaDescription":"Siemens 3RW5227-1AC14 SIRIUS soft starter, 40.5 A minimum, 200-480 V AC, 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":"3RW5227-1AC14","Height":"306 mm","Minimum":"40.5 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 93 A, 110-250 V AC 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","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","Ramp-Down (Soft Stop)":"Yes","at 40 °C rated value":"161 A","at 50 °C rated value":"143 A","at 60 °C rated value":"131 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":"40 W","at 50 °C after startup":"37 W","at 60 °C after startup":"35 W","EMC emitted interference":"acc. to IEC 60947-4-2: Class A","For Main Current Circuit":"box terminal","Number Of Analog Outputs":"1","Number Of Digital Inputs":"1","Weight Without Packaging":"6.9 kg","at 40 °C during startup":"1 270 W","at 50 °C during startup":"1 077 W","at 60 °C during startup":"959 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":"22 kW","at 400 V at 40 °C rated value":"45 kW","At Inside-Delta Circuit Minimum":"70.1 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":"3NA3136-6; 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":"25 hp","at 220/230 V at 50 °C rated value":"30 hp","at 460/480 V at 50 °C rated value":"60 hp","of circuit breaker usable at 400 V":"3VA2216-7MN32-0AA0; Type of coordination 1, Iq = 15 kA, CLASS 10","of circuit breaker usable at 500 V":"3VA2216-7MN32-0AA0; Type of coordination 1, Iq = 10 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":"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":"40 ... 53 lbf·in","At Rotary Coding Switch On Switch Position 1":"40.5 A","At Rotary Coding Switch On Switch Position 2":"44 A","At Rotary Coding Switch On Switch Position 3":"47.5 A","At Rotary Coding Switch On Switch Position 4":"51 A","At Rotary Coding Switch On Switch Position 5":"54.5 A","At Rotary Coding Switch On Switch Position 6":"58 A","At Rotary Coding Switch On Switch Position 7":"61.5 A","At Rotary Coding Switch On Switch Position 8":"65 A","At Rotary Coding Switch On Switch Position 9":"68.5 A","At Rotary Coding Switch On Switch Position 10":"72 A","At Rotary Coding Switch On Switch Position 11":"75.5 A","At Rotary Coding Switch On Switch Position 12":"79 A","At Rotary Coding Switch On Switch Position 13":"82.5 A","At Rotary Coding Switch On Switch Position 14":"86 A","At Rotary Coding Switch On Switch Position 15":"89.5 A","At Rotary Coding Switch On Switch Position 16":"93 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","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":"3NA3136-6; 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 = 15 kA, CLASS 10","of circuit breaker usable at 500 V at inside-delta circuit":"3VA2220-7MN32-0AA0; Type of coordination 1, Iq = 10 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)","For Main Contacts For Box Terminal Using Both Clamping Points Solid":"2x (2.5 ... 16 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":"70.1 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 2":"76.2 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 3":"82.3 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 4":"88.3 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 5":"94.4 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 6":"100 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 7":"107 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 8":"113 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 9":"119 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 10":"125 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 11":"131 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 12":"137 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 13":"143 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 14":"149 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 15":"155 A","For Inside-Delta Circuit At Rotary Coding Switch On Switch Position 16":"161 A","For Main Contacts For Box Terminal Using Both Clamping Points Stranded":"2x (6 ... 16 mm²), 2x (10 ... 50 mm²)","For Main Contacts For Box Terminal Using The Back Clamping Point Solid":"1x (2.5 ... 16 mm²)","of back-up R fuse link for semiconductor protection usable up to 690 V":"3NE4124; Type of coordination 2, Iq = 65 kA","For Main Contacts For Box Terminal Using The Front Clamping Point Solid":"1x (2.5 ... 16 mm²)","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 %","For Main Contacts For Box Terminal Using The Back Clamping Point Stranded":"1x (10 ... 70 mm²)","of full range R fuse link for semiconductor protection usable up to 690 V":"3NE1224-0; Type of coordination 2, Iq = 65 kA","For Main Contacts For Box Terminal Using The Front Clamping Point Stranded":"1x (10 ... 70 mm²)","Relative Negative Tolerance Of The Operating Voltage At Inside-Delta Circuit":"-15 %","Relative Positive Tolerance Of The Operating Voltage At Inside-Delta Circuit":"10 %","at AWG cables for main contacts for box terminal using the back clamping point":"1x (10 ... 2/0)","For Main Contacts For Box Terminal Using Both Clamping Points Finely Stranded With Core End Processing":"2x (2.5 ... 35 mm²)","For Main Contacts For Box Terminal Using The Back Clamping Point Finely Stranded With Core End Processing":"1x (2.5 ... 50 mm²)","For Main Contacts For Box Terminal Using The Front Clamping Point Finely Stranded With Core End Processing":"1x (2.5 ... 50 mm²)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.aoctrl.com/c47e64d65ee4ce1e65b191fe7ac19acf.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=830570&mlfb=3RW5227-1AC14"},"ai":{"faq":[{"question":"What compliance documentation does the 3RW5227-1AC14 carry?","answer":"CE marking for European markets, UL approval for North America, and CSA approval for Canada. RoHS and REACH compliance is standard for Siemens SIRIUS products but not explicitly listed in the spec record."},{"question":"What is the minimum motor current the 3RW5227-1AC14 can handle?","answer":"The minimum operating current is 40.5 A, with a minimum load of 15% of the smallest settable Ie. Motors with full-load current below 40.5 A are not suitable for this unit."},{"question":"What fieldbus protocols does the 3RW5227-1AC14 support?","answer":"PROFIBUS, Modbus RTU, Modbus TCP, EtherNet/IP, and PROFINET (with PROFIenergy). The PROFINET support requires the standard communication module."},{"question":"Can the 3RW5227-1AC14 be used for pump ramp-down?","answer":"Yes, pump ramp down is supported — the soft starter extends the deceleration profile to reduce water hammer in pumping systems."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RW5227-1AC14","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/3RW5227-1AC14 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}}