{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"3RW5548-6HA14","brand":"Siemens","brandSlug":"siemens","productSlug":"3RW5548-6HA14","canonicalUrl":"https://aoctrl.com/siemens/3RW5548-6HA14","factsUrl":"https://aoctrl.com/api/mcp/products/3RW5548-6HA14","rawCanonicalId":null},"summary":{"shortDescription":"Siemens 3RW5548-6HA14 soft starter, 200-480 V rated voltage, ATEX and IECEx certified, trip class 10A/10E/20E/30E, screw terminal, 393 x 210 x 203 mm.","salesMarkdown":"## Hazardous-area motor starting with ATEX and IECEx This Siemens 3RW5548-6HA14 soft starter carries both ATEX and IECEx certification, making it suitable for starting motors in classified hazardous locations where explosive atmospheres may be present. The certification covers the soft starter itself when installed per the manufacturer's instructions — a key requirement for Zone 1/21 and Zone 2/22 installations in chemical, oil and gas, or pharmaceutical plants. ## Trip class flexibility for diverse load profiles The soft starter offers selectable trip classes: CLASS 10A, 10E (default), 20E, and 30E per IEC 60947-4-2. Rated voltage spans 200 to 480 V AC, covering the common low-voltage three-phase networks worldwide. Accuracy Class 5 per IEC 61557-12 means the integrated current measurement and motor protection functions meet metering-grade accuracy — sufficient for energy monitoring and predictive maintenance trending without a separate power meter. ## Fieldbus integration and control features The 3RW5548-6HA14 supports Modbus RTU, Modbus TCP, and EtherNet/IP natively, plus PROFIBUS and PROFINET with the appropriate communication module. This covers the three dominant industrial Ethernet protocols, so it drops into most modern control architectures without a protocol gateway. Built-in control features include voltage ramp start, torque control, pump ramp down for controlled deceleration in fluid systems, a breakaway pulse for stuck loads, and DC braking for rapid stopping. The analog output (4-20 mA or 0-10 V) provides a real-time current or torque signal to the PLC or SCADA. An event list, error logbook, and trace function are onboard for fault diagnosis — useful for field service techs trying to identify the root cause of a trip without connecting a laptop. ## Panel layout and clearance requirements Dimensions are 393 mm height, 210 mm width, and 203 mm depth. The unit requires specific free-space clearances for ventilation and wiring access: 100 mm above, 75 mm below, 10 mm in front, 5 mm at the sides, and 0 mm behind. These clearances must be maintained inside the enclosure to prevent thermal derating and allow cable entry. Wiring is via screw terminals — field-serviceable with standard tools. The service factor of 1.15 means the soft starter can handle 115% of rated current continuously without damage, providing a margin for occasional overloads in continuous-duty applications. ## Compliance and approvals for global projects The soft starter carries CE marking for the European market, UL approval for the US, and CSA approval for Canada. These three approvals cover the majority of industrial installations in North America and Europe, simplifying project compliance documentation. ATEX and IECEx certification are listed directly on the unit, so the declaration of conformity and certificate numbers are available from Siemens for inclusion in hazardous-area equipment registers.","metaTitle":"Siemens 3RW5548-6HA14 Soft Starter, 200-480 V, ATEX, Active","metaDescription":"Siemens 3RW5548-6HA14 soft starter rated 200-480 V, ATEX/IECEx certified, trip class 10A-30E. Active production, sourced to order. UL/CSA/CE. Request quote.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Soft Starters"],"specifications":{"ATEX":"Yes","Depth":"203 mm","IECEx":"Yes","Width":"210 mm","title":"3RW5548-6HA14","Height":"393 mm","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","DC braking":"Yes","Event List":"Yes","Modbus RTU":"Yes","Modbus TCP":"Yes","Trip Class":"CLASS 10A / 10E (default) / 20E / 30E; 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 and PROFINET High-Feature communication modules","Rated Value":"200 ... 480 V","UL approval":"Yes","description":"SIRIUS soft starter 200-480 V 570 A, 110-250 V AC Screw terminals","CSA approval":"Yes","Remote Reset":"Yes","Voltage Ramp":"Yes","Analog Output":"Yes; 4 ... 20 mA (default) / 0 ... 10 V","Error Logbook":"Yes","Motor Heating":"Yes","Accuracy Class":"5 (based on IEC 61557-12)","Pump Ramp Down":"Yes","Screw Terminal":"Yes","Service Factor":"1.15","Torque Control":"Yes","Trace Function":"Yes","Breakaway Pulse":"Yes","Firmware Update":"Yes","Parameterizable":"4","lifecycle_stage":"current","Combined Braking":"Yes","During Operation":"-25 ... +60 °C; Please observe derating at temperatures of 40 °C or above","Fastening Method":"screw fixing","HMI-High Feature":"Yes","Minimum Load [%]":"10 %; Relative to set Ie","Product Category":"Hybrid switching devices","Shock Resistance":"15 g / 11 ms, from 6 g / 11 ms with potential contact lifting","Start Torque [%]":"10 ... 100 %","Mounting Position":"Vertical (can be rotated +/- 90° and tilted forward or backward +/- 22.5°)","PROFINET standard":"Yes","Product Brand Name":"SIRIUS","Application Wizards":"Yes","Degree Of Pollution":"3, acc. to IEC 60947-4-2","For Control Circuit":"screw-type terminals","Product Designation":"Soft starter","Reversing Operation":"Yes","Stopping Torque [%]":"10 ... 100 %","Alternative Run-Down":"Yes","Condition Monitoring":"Yes","Idle Time Adjustable":"0 ... 255 s","Inside-Delta Circuit":"Yes","Starting Voltage [%]":"20 ... 100 %","Stopping Voltage [%]":"50 %; non-adjustable","Vibration Resistance":"15 mm up to 6 Hz; 2 g up to 500 Hz","PROFINET high-feature":"Yes","Ramp-Down (Soft Stop)":"Yes","Torque Limitation [%]":"20 ... 200 %","at 40 °C rated value":"987 A","at 50 °C rated value":"873 A","at 60 °C rated value":"796 A","Communication Function":"Yes","Digital Output Version":"3 normally-open contacts (NO) / 1 changeover contact (CO)","Slave Pointer Function":"Yes","Spring-Loaded Terminal":"No","Ramp-Up (Soft Starting)":"Yes","at 40 °C after startup":"171 W","at 50 °C after startup":"151 W","at 60 °C after startup":"141 W","EMC emitted interference":"acc. to IEC 60947-4-2: Class A","Emergency Operation Mode":"Yes","For Main Current Circuit":"busbar connection","Number Of Analog Outputs":"1","Number Of Digital Inputs":"4","Number Of Parameter Sets":"3","Weight Without Packaging":"10.9 kg","at 40 °C during startup":"10 229 W","at 50 °C during startup":"8 488 W","at 60 °C during startup":"7 651 W","Breakaway Time Adjustable":"0 ... 2 s","For Control Circuit Solid":"1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²)","Motor Overload Protection":"Yes; Full motor protection (thermistor motor protection and electronic motor overload protection) / When using the motor overload protection according to ATEX, an upstream contactor is required in inside-delta circuit.","Number Of Digital Outputs":"4","Via Software Configurable":"Yes","Automatic Parameterisation":"Yes","Impulse Voltage Rated Value":"6 kV","Intrinsic Device Protection":"Yes","Number Of Controlled Phases":"3","During Storage And Transport":"-40 ... +80 °C","Type Of The Motor Protection":"Electronic, tripping in the event of thermal overload of the motor","Via Software Parameterizable":"Yes","at DC-13 at 24 V rated value":"1 A","Adjustable Current Limitation":"Yes","Electromagnetic Compatibility":"acc. to IEC 60947-4-2","Substance Prohibitance (Date)":"02/15/2018","at 40 °C rated value minimum":"114 A","at AC-15 at 250 V rated value":"3 A","is supported HMI-High Feature":"Yes","Insulation Voltage Rated Value":"480 V","Ramp-Down Time Of Soft Starter":"0 ... 360 s","at 230 V at 40 °C rated value":"160 kW","at 400 V at 40 °C rated value":"315 kW","Width Of Connection Bar Maximum":"45 mm","Breakaway Voltage [%] Adjustable":"40 ... 100 %","Control Supply Voltage Frequency":"50 ... 60 Hz","Operating Measured Value Display":"Yes","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":"2x3NA3365-6; Type of coordination 1, Iq = 65 kA","Between Main And Auxiliary Circuit":"480 V; does not apply for thermistor connection","Start-Up Ramp Time Of Soft Starter":"0 ... 360 s","at 200/208 V at 50 °C rated value":"150 hp","at 220/230 V at 50 °C rated value":"200 hp","at 460/480 V at 50 °C rated value":"400 hp","of circuit breaker usable at 400 V":"3VA2580-6HN32-0AA0; Type of coordination 1, Iq = 65 kA, CLASS 10","of circuit breaker usable at 500 V":"3VA2580-6HN32-0AA0; Type of coordination 1, Iq = 65 kA, CLASS 10","At Inside-Delta Circuit Rated Value":"200 ... 480 V","Programmable Control Inputs/Outputs":"Yes","at the digital inputs at DC maximum":"1 000 m","of communication module Ethernet/IP":"3RW5980-0CE00","Current Unbalance Limiting Value [%]":"10 ... 60 %","Design Of The Overvoltage Protection":"Varistor","Surge Voltage Resistance Rated Value":"6 kV","Current Limiting Value [%] Adjustable":"125 ... 800 %","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","according to ATEX directive 2014/34/EU":"BVS 18 ATEX F 003 X","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":"Yes; Type A PTC or Klixon / Thermoclick","Number Of Digital Outputs Parameterizable":"3","of communication module Modbus RTU usable":"3RW5980-0CR00","of communication module Modbus TCP usable":"3RW5980-0CT00","Creep Speed In Both Directions Of Rotation":"Yes","Ground-Fault Monitoring Limiting Value [%]":"10 ... 95 %","Soft Starting At Heavy Starting Conditions":"Yes","For Main Contacts With Screw-Type Terminals":"124 ... 210 lbf·in","Recovery Time After Overload Trip Adjustable":"60 ... 1 800 s","for DIN cable lug for main contacts stranded":"2x (50 ... 240 mm²)","Number Of Digital Outputs Not Parameterizable":"1","Type Of Voltage Of The Control Supply Voltage":"AC","With Conductor Cross-Section = 0.5 Mm2 Maximum":"50 m","With Conductor Cross-Section = 1.5 Mm2 Maximum":"150 m","With Conductor Cross-Section = 2.5 Mm2 Maximum":"250 m","Holding Current In Bypass Operation Rated Value":"150 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":"100 mA","for DIN cable lug for main contacts finely stranded":"2x (70 ... 240 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","of communication module PROFINET high-feature usable":"3RW5950-0CH00","Inrush Current By Closing The Bypass Contacts Maximum":"0.87 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":"2x3NA3365-6; Type of coordination 1, Iq = 65 kA","of circuit breaker usable at 400 V at inside-delta circuit":"3VA2510-6HN32-0AA0; Type of coordination 1, Iq = 65 kA, CLASS 10","of circuit breaker usable at 500 V at inside-delta circuit":"3VA2510-6HN32-0AA0; 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 Frequency":"-10 %","Relative Positive Tolerance Of The Control Supply Voltage Frequency":"10 %","Inrush Current Peak At Application Of Control Supply Voltage Maximum":"43 A","of back-up R fuse link for semiconductor protection usable up to 690 V":"3NC3342-1U; Type of coordination 2, Iq = 65 kA","Duration Of Inrush Current Peak At Application Of Control Supply Voltage":"1.6 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":"3NE1437-2; 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/97f9ade770b94754f36c6fe66f80e4f4.pdf","sourceUrl":"https://support.industry.siemens.com/webbackend/api/ProductSupport/TechnicalData?language=en&region=cn&productId=831065&mlfb=3RW5548-6HA14"},"ai":{"faq":[{"question":"What compliance documentation does Siemens provide for 3RW5548-6HA14?","answer":"The unit carries CE marking (European conformity), UL approval (US), CSA approval (Canada), ATEX certification, and IECEx certification. Siemens provides the declaration of conformity, UL/CSA certificates, and ATEX/IECEx certificates with the unit or on request."},{"question":"What are the clearance requirements for mounting this soft starter in a panel?","answer":"The required free-space clearances are: 100 mm above, 75 mm below, 10 mm in front, 5 mm at the sides, and 0 mm behind the unit. These ensure adequate ventilation for heat dissipation and space for cable entry via the screw terminals."},{"question":"What fieldbus protocols does 3RW5548-6HA14 support?","answer":"It supports Modbus RTU, Modbus TCP, and EtherNet/IP natively. PROFIBUS and PROFINET are supported via optional communication modules. PROFIenergy is available in conjunction with PROFINET Standard and PROFINET High-Feature modules."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://aoctrl.com/siemens/3RW5548-6HA14","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/3RW5548-6HA14 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}}