{"product_id":"vfd4a8ms21ansaa-delta-ms300-vfd-drive-1hp-230v-single-phase","title":"VFD4A8MS21ANSAA Delta MS300 VFD Drive 1HP 230V Single Phase","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003eVFD4A8MS21ANSAA\u003c\/strong\u003e represents Delta Electronics' advanced MS300 series vector control drive engineered for space-constrained industrial setups.\u003c\/p\u003e\n\u003cp\u003eThis compact frequency inverter converts single-phase 230V power into high-performance three-phase motor control.\u003c\/p\u003e\n\u003cp\u003eIt seamlessly supports both induction motors (IM) and permanent magnet motors (PM) with exceptional dynamic response.\u003c\/p\u003e\n\u003cp\u003eThe unit incorporates an integrated PLC function, allowing users to run simple custom logic programs directly.\u003c\/p\u003e\n\u003cp\u003eIts ultra-compact frame size B2 supports zero-clearance side-by-side mounting, significantly maximizing enclosure space density.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications Checklist\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eEngineers organized these core operational parameters to clarify performance capabilities under varying workloads.\u003c\/p\u003e\n\u003ctable style=\"width: 100.061%; height: 254.829px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003cth style=\"width: 33.5988%; height: 19.6023px;\"\u003eSpecification Parameter\u003c\/th\u003e\n\u003cth style=\"width: 63.682%; height: 19.6023px;\"\u003eTechnical Value \u0026amp; Rating\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 33.5988%; height: 19.6023px;\"\u003e\u003cstrong\u003eBrand \u0026amp; Model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.682%; height: 19.6023px;\"\u003eDelta Electronics \/ \u003cstrong style=\"color: #0056b3;\"\u003eVFD4A8MS21ANSAA\u003c\/strong\u003e (\u003cstrong style=\"color: #0056b3;\"\u003eMS300\u003c\/strong\u003e Series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 33.5988%; height: 19.6023px;\"\u003e\u003cstrong\u003eMotor Power Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.682%; height: 19.6023px;\"\u003e1 HP (0.75 kW) Constant \/ Variable Torque\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 33.5988%; height: 19.6023px;\"\u003e\u003cstrong\u003eInput Voltage \u0026amp; Phase\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.682%; height: 19.6023px;\"\u003e230 VAC, 1-Phase Mains Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2045px;\"\u003e\n\u003ctd style=\"width: 33.5988%; height: 39.2045px;\"\u003e\u003cstrong\u003eNormal Duty (ND) Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.682%; height: 39.2045px;\"\u003e5.0 Amps (120% overload for 60 seconds; 150% for 3 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2045px;\"\u003e\n\u003ctd style=\"width: 33.5988%; height: 39.2045px;\"\u003e\u003cstrong\u003eHeavy Duty (HD) Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.682%; height: 39.2045px;\"\u003e4.8 Amps (150% overload for 60 seconds; 200% for 3 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6023px;\"\u003e\n\u003ctd style=\"width: 33.5988%; height: 19.6023px;\"\u003e\u003cstrong\u003eOutput Frequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.682%; height: 19.6023px;\"\u003e0.0 Hz to 599.0 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2045px;\"\u003e\n\u003ctd style=\"width: 33.5988%; height: 39.2045px;\"\u003e\u003cstrong\u003ePhysical Dimensions \u0026amp; Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.682%; height: 39.2045px;\"\u003e2.83\" W x 5.59\" H x 5.63\" D (Frame B2), 1.8 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2045px;\"\u003e\n\u003ctd style=\"width: 33.5988%; height: 39.2045px;\"\u003e\u003cstrong\u003eProtection \u0026amp; Braking\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 63.682%; height: 39.2045px;\"\u003eIP20 Enclosure, Built-in Brake Chopper, Optional EMC Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eOperational Resilience \u0026amp; Environmental Limits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Operating Range:\u003c\/strong\u003e Operates efficiently between -20°C and +50°C without derating under normal duty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Suppression Capabilities:\u003c\/strong\u003e Built-in RFI switch with optional integrated EMC filter minimizes high-frequency electromagnetic noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOverload Endurance:\u003c\/strong\u003e Heavy duty mode delivers up to 200% instantaneous current to overcome high-inertia starting spikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Current Sensing:\u003c\/strong\u003e High-resolution current detection protects motor windings during severe load fluctuations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeceleration Energy Backup (DEB):\u003c\/strong\u003e Controls motor deceleration during sudden power loss, preventing uncontrolled mechanical coasting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation \u0026amp; Wiring Best Practices\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eMount the \u003cstrong style=\"color: #0056b3;\"\u003eVFD4A8MS21ANSAA\u003c\/strong\u003e vertically on standard DIN rail or panel backplates.\u003c\/p\u003e\n\u003cp\u003eInstall multiple units side-by-side without horizontal clearance to maximize control cabinet density.\u003c\/p\u003e\n\u003cp\u003eConnect 1-phase 230V mains power leads securely to input terminals L1 and L2.\u003c\/p\u003e\n\u003cp\u003eRoute motor cables to output terminals U, V, and W using short, shielded industrial cables.\u003c\/p\u003e\n\u003cp\u003eEnsure low-impedance ground bonding between the drive ground terminal and the central cabinet earth bus.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCommissioning \u0026amp; Servicing Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe removable 5-digit LED keypad facilitates rapid parameter programming and remote door mounting.\u003c\/p\u003e\n\u003cp\u003eBuilt-in USB programming ports enable firmware updates and configuration backups via Delta's software suite.\u003c\/p\u003e\n\u003cp\u003eSpring-clamp control terminals simplify field signal wiring and resist vibration-induced wire looseness.\u003c\/p\u003e\n\u003cp\u003eAn optional external 24V DC auxiliary power connection keeps control electronics active during main power outages.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eNetwork Integration \u0026amp; System Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eStandard onboard RS-485 interfaces support native Modbus RTU communication at high baud rates.\u003c\/p\u003e\n\u003cp\u003eOptional fieldbus cards support Ethernet\/IP, Profinet, EtherCAT, Modbus TCP, CANopen, DeviceNet, and Profibus DP networks.\u003c\/p\u003e\n\u003cp\u003eIntegrated pulse input terminals enable precise speed synchronization and simple tension control loops.\u003c\/p\u003e\n\u003cp\u003eClosed-loop speed feedback capabilities support high-precision encoder interface expansion boards.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Safety Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL and cUL listed for rigorous North American industrial safety compliance.\u003c\/li\u003e\n\u003cli\u003eCE marked for European Low Voltage Directive and EMC compliance standards.\u003c\/li\u003e\n\u003cli\u003eSafe Torque Off (STO) SIL2 \/ PLd functional safety compliance prevents unintended motor restarts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePackaging Details, Warranty \u0026amp; Express Logistics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eShips in original factory packaging containing one \u003cstrong style=\"color: #0056b3;\"\u003eVFD4A8MS21ANSAA\u003c\/strong\u003e drive and a quick-start manual.\u003c\/p\u003e\n\u003cp\u003eWe cover this unit with an inclusive \u003cstrong\u003e12-month warranty\u003c\/strong\u003e against manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eOrders are processed and dispatched within \u003cstrong\u003e24 to 48 hours\u003c\/strong\u003e from order confirmation.\u003c\/p\u003e\n\u003cp\u003eExpress international air shipping options include \u003cstrong\u003eFedEx, UPS, and DHL Express\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eIndustrial Applications \u0026amp; Machinery Fit\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWinding \u0026amp; Rewinding Machines:\u003c\/strong\u003e Maintains constant web tension using closed-loop torque control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlitting \u0026amp; Printing Equipment:\u003c\/strong\u003e Delivers rapid speed response to prevent material tearing during acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Machine Tool Spindles:\u003c\/strong\u003e Drives high-speed AC motors up to 599 Hz with precise speed regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTextile \u0026amp; Wire Drawing Machines:\u003c\/strong\u003e Handles multi-motor synchronization via pulse train input signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Woodworking Machinery:\u003c\/strong\u003e High starting torque easily overcomes heavy cutterhead inertia.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eDiagnostic Capabilities \u0026amp; Error Tracking\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe drive continuously monitors operating parameters, including output current, DC bus voltage, and heatsink temperature.\u003c\/p\u003e\n\u003cp\u003eInternal memory logs the last four fault events along with detailed voltage and current snapshots.\u003c\/p\u003e\n\u003cp\u003eDigital alarm outputs signal maintenance systems immediately when parameters exceed preset safety thresholds.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003eVFD4A8MS21ANSAA\u003c\/strong\u003e is our top recommendation for retrofitting older single-phase machinery requiring high torque.\u003c\/p\u003e\n\u003cp\u003eIn a recent coil-winding machine rebuild, the client needed PM motor control without adding an external controller.\u003c\/p\u003e\n\u003cp\u003eWe deployed this \u003cstrong style=\"color: #0056b3;\"\u003eMS300\u003c\/strong\u003e drive and programmed its built-in PLC to handle automatic wire-layering routines directly.\u003c\/p\u003e\n\u003cp\u003eThis eliminated an external micro PLC, streamlined control wiring, and reduced panel assembly labor by 35%.\u003c\/p\u003e\n\u003cp\u003eThe STO (Safe Torque Off) feature also simplified the safety circuit design, meeting modern machinery safety requirements easily.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical FAQ \u0026amp; Application Guidance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can I power the VFD4A8MS21ANSAA using standard 120V household current?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: No, this model requires a 200V to 240V single-phase input supply to operate within specified DC bus voltage limits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What is the benefit of switching between Heavy Duty (HD) and Normal Duty (ND) settings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: ND mode permits 5.0A continuous output for fans\/pumps, while HD mode caps output at 4.8A but allows 200% peak starting torque for hard-to-start loads.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How do I configure PM motor auto-tuning on this MS300 drive series?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Select permanent magnet motor type in parameter 01-01, enter motor nameplate data, and run the static auto-tuning routine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Why does the drive display an Overvoltage (ov) code when decelerating heavy cutter heads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: High load inertia feeds regenerative energy back into the drive; extend deceleration time or wire an external braking resistor to the internal brake chopper.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Can I run multi-motor setups off a single VFD4A8MS21ANSAA inverter?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA5: Yes, provided the combined full-load currents of all parallel motors do not exceed the drive's rated continuous current in V\/Hz control mode.\u003c\/p\u003e","brand":"Delta","offers":[{"title":"Default Title","offer_id":45294576074934,"sku":"VFD4A8MS21ANSAA","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/VFD4A8MS21ANSAA.jpg?v=1785224615","url":"https:\/\/www.plcsparehub.com\/products\/vfd4a8ms21ansaa-delta-ms300-vfd-drive-1hp-230v-single-phase","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}