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Delta VFD4A8MS21ANSAA MS300 Compact Vector AC Drive, 0.75 kW / 1 HP, 1-Phase 230 V

Delta VFD4A8MS21ANSAA MS300 Compact Vector AC Drive, 0.75 kW / 1 HP, 1-Phase 230 V

Brand
Delta
Model number
VFD4A8MS21ANSAA

MS300 compact vector drive for a 0.75 kW (1 HP) motor on single-phase 230 V: 4.8 A heavy duty, 5 A normal duty, Safe Torque Off, 2k-step PLC; frame B.

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Key features

  • Supports Open loop control of IM and PM motors
  • Built-in PLC program with 2K steps capacity
  • Built-in brake choppers for the entire series
  • Removable 5-digit LED keypad for remote operation
  • Multi-motor Control, built-in four IM motor control parameters
  • Optional built-in Class A (C2) standard EMC filter for 1-phase 230V, 3-phase 460V models
  • One high speed pulse input terminal MI7 built-in with maximum speed up to 33kHz
  • One high speed pulse output terminal DFM built-in with maximum speed up to 33kHz
  • New PCB coating for circuit (IEC 60721-3-3 class 3C2) and thermal design suitable for harsh environment applications
  • Built-in RS-485 (Modbus) and various communication card options : CANopen, PROFIBUS DP, DeviceNet, Modbus TCP, EtherNet/IP, EtherCAT, PROFINET

Specifications

Product
SeriesMS300
Rating
Applicable motor output0.75 kW (1 HP)
Rated output current, heavy duty4.8 A
Rated output current, normal duty5 A
Input
Rated voltage / frequency1-phase AC 200 V ~ 240 V (-15% ~ +10%), 50/60 Hz
Mains input voltage range170 ~ 265 V
Mains frequency range47 ~ 63 Hz
Output
Max. output frequencyStandard model: 599.00 Hz
Carrier frequency2 ~ 15 kHz (default 4)
Design
Protection ratingIP20 / UL Open Type
Built-in EMC filterNo
Brake chopperBuilt-in
DC reactorOptional
AC reactorOptional
FrameB
Cooling methodNatural air cooling
Size W × H72 × 142 mm
Size D143 mm
Safe Torque Off (STO)Integrated STO
Control
Control methodsV/F, SVC, FOC Sensorless
Applicable motorsInduction motors (IM), interior permanent magnet (IPM) motors, and surface permanent magnet (SPM) motors
Starting torque150% / 3 Hz (V/f, SVC control for IM, heavy duty); 100% / (1/20 of motor rated frequency) (SVC control for PM, heavy duty); 200% / 0.5 Hz (FOC Sensorless control for IM, heavy duty)
Speed control range1:50 (V/f, SVC control for IM, heavy duty); 1:20 (SVC control for PM, heavy duty); 1:100 (FOC Sensorless control for IM, heavy duty)
Overload toleranceNormal Duty (ND): 120% of rated output current for 60 seconds; 150% of rated output current for 3 seconds. Heavy Duty (HD): 150% of rated output current for 60 seconds; 200% of rated output current for 3 seconds
Frequency setting signal0 ~ +10 V / -10 V ~ +10 V, 4 ~ 20 mA / 0 ~ +10 V, 1 pulse input (33 kHz), 1 pulse output (33 kHz)
Built-in PLC2k steps
CommunicationModbus integrated as standard; optional cards: PROFIBUS DP, DeviceNet, Modbus TCP, EtherNet/IP, CANopen, EtherCAT, PROFINET
Motor protectionOvercurrent protection, overvoltage protection, over-temperature protection, phase failure protection
Digital controllerA removable keypad as standard
Environment
Altitude0 ~ 1000 m for normal operation (derating is required above 1000 m)
CertificationsUL, CE, TUV, RoHS, RCM, REACH
Operating temperatureIP20 / UL Open Type: -20 to 50 °C; -20 to 60 °C (needs derating)
Ordering
Delta India price listDetachable display unit (Delta price list 2026-27, July edition)
Applications
Typical applicationsMachine tools, textile machines, woodworking machines, packaging machines, electronics, fans, pumps, air compressors

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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