{"product_id":"abb-acs355-03e-04a1-4-acs355-variable-frequency-drive","title":"ABB ACS355-03E-04A1-4 ACS355 Variable Frequency Drive","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eEngineered for rapid integration and precise motor control, the \u003cstrong\u003eACS355-03E-04A1-4\u003c\/strong\u003e variable speed drive delivers high-performance speed and torque regulation for low-power industrial machinery. As part of the globally recognized ACS355 micro drive series, this compact three-phase controller is optimized for cabinet-mounting configurations where space efficiency and functional safety are critical system requirements.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eACS355-03E-04A1-4\u003c\/strong\u003e operates on a 380 to 480 V input range, supplying a rated output current of 4.1 A to drive induction and permanent magnet motors up to 1.5 kW (2 HP). Standard built-in features, including a Safe Torque Off (STO) functional safety loop and an integrated braking chopper, eliminate the need for redundant external components, simplifying installation architecture and reducing overall cabinet footprint.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegrated Safe Torque Off (STO) certified to SIL 3 \/ PL e standards for reliable safety shutdown.\u003c\/li\u003e\n  \u003cli\u003eSupports both scalar and vector control modes for flexible regulation of induction and permanent magnet synchronous motors.\u003c\/li\u003e\n  \u003cli\u003eCompact IP20 enclosure optimized for side-by-side DIN rail or screw mounting inside electrical enclosures.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in braking chopper as standard for handling regenerative deceleration energy.\u003c\/li\u003e\n  \u003cli\u003eUser-programmable sequence control for executing independent, localized logic profiles without a separate PLC.\u003c\/li\u003e\n  \u003cli\u003eCoated boards protect delicate internal circuitry against humidity, dust, and corrosive environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMaterial Handling and Logistics (conveyor belts, sorting systems)\u003c\/li\u003e\n  \u003cli\u003eFood and Beverage Processing (industrial mixers, packaging machinery)\u003c\/li\u003e\n  \u003cli\u003eTextile Manufacturing and Spinning Machinery\u003c\/li\u003e\n  \u003cli\u003eHVAC and Commercial Pump Systems\u003c\/li\u003e\n  \u003cli\u003eSpecialty Woodworking and Machine Tool Auxiliaries\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eABB\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePart Number \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eACS355-03E-04A1-4\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProduct Series\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eACS355\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInput Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e380 V to 480 V AC (+\/- 10%)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eNumber of Phases\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3-phase input \/ 3-phase output\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOutput Current (Normal Use)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e4.1 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMotor Power Rating\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1.5 kW (2 HP)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eEnclosure Protection Class\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eIP20 \/ UL Open Type\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eFrame Size\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eR1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eControl Methods\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eScalar, Vector (Open Loop and Closed Loop)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eIntegrated Safety\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSafe Torque Off (STO) - dual channel\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1.2 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDimensions (H x W x D)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e169 mm x 70 mm x 161 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eTerminal Category\u003c\/th\u003e\n      \u003cth\u003eInterface Capability\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAnalog Inputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2 bipolar inputs (voltage or current selectable)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAnalog Outputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1 output (0 to 20 mA)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e5 programmable inputs (PNP\/NPN, pulse train capability)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDigital Outputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1 auxiliary digital output (transistor type)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRelay Outputs\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1 form C SPDT relay output (250 V AC \/ 30 V DC)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eSafe Torque Off\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eDual-channel STO connections\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eFieldbus Interface\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eModbus RTU via RS-485 (optional extension modules available for EtherCAT, PROFINET, DeviceNet, and CANopen)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMount vertically inside a dust-free, clean cabinet environment matching the IP20 structural design parameters.\u003c\/li\u003e\n  \u003cli\u003eMaintain a minimum clearance of 75 mm above and below the drive housing to ensure unobstructed thermal convection.\u003c\/li\u003e\n  \u003cli\u003eUtilize shielded motor cabling and execute proper 360-degree high-frequency EMC grounding at the cable clamp plate.\u003c\/li\u003e\n  \u003cli\u003eEnsure low-impedance grounding paths are established between the drive frame, mounting panel, and primary distribution earth.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE, UL, cUL, TÜV Nord (STO safety certification), RoHS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":52701958930795,"sku":"ACS355-03E-04A1-4","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/acs355-03e-04a1-4-mglvbfvan05_57496a8e-9c89-452e-8930-2db2a59a8944.jpg?v=1766478164","url":"https:\/\/www.plcprotech.com\/ms\/products\/abb-acs355-03e-04a1-4-acs355-variable-frequency-drive","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}