Delta VFD2A8MS21ANSAA MS300 Compact Vector AC Drive, 0.4 kW / 1/2 HP, 1-Phase 230 V
- Brand
- Delta
- Model number
- VFD2A8MS21ANSAA
- Category
- Variable Frequency Drives
MS300 compact vector drive for a 0.4 kW (1/2 HP) motor on single-phase 230 V: 2.8 A heavy duty, 3.2 A normal duty, Safe Torque Off, 2k-step PLC; frame A.
Price and availability on request
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
| Series | MS300 |
|---|
| Applicable motor output | 0.4 kW (1/2 HP) |
|---|---|
| Rated output current, heavy duty | 2.8 A |
| Rated output current, normal duty | 3.2 A |
| Rated voltage / frequency | 1-phase AC 200 V ~ 240 V (-15% ~ +10%), 50/60 Hz |
|---|---|
| Mains input voltage range | 170 ~ 265 V |
| Mains frequency range | 47 ~ 63 Hz |
| Max. output frequency | Standard model: 599.00 Hz |
|---|---|
| Carrier frequency | 2 ~ 15 kHz (default 4) |
| Protection rating | IP20 / UL Open Type |
|---|---|
| Built-in EMC filter | No |
| Brake chopper | Built-in |
| DC reactor | Optional |
| AC reactor | Optional |
| Frame | A |
| Cooling method | Natural air cooling |
| Size W × H | 68 × 128 mm |
| Size D | 125 mm |
| Safe Torque Off (STO) | Integrated STO |
| Control methods | V/F, SVC, FOC Sensorless |
|---|---|
| Applicable motors | Induction motors (IM), interior permanent magnet (IPM) motors, and surface permanent magnet (SPM) motors |
| Starting torque | 150% / 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 range | 1:50 (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 tolerance | Normal 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 signal | 0 ~ +10 V / -10 V ~ +10 V, 4 ~ 20 mA / 0 ~ +10 V, 1 pulse input (33 kHz), 1 pulse output (33 kHz) |
| Built-in PLC | 2k steps |
| Communication | Modbus integrated as standard; optional cards: PROFIBUS DP, DeviceNet, Modbus TCP, EtherNet/IP, CANopen, EtherCAT, PROFINET |
| Motor protection | Overcurrent protection, overvoltage protection, over-temperature protection, phase failure protection |
| Digital controller | A removable keypad as standard |
| Altitude | 0 ~ 1000 m for normal operation (derating is required above 1000 m) |
|---|---|
| Certifications | UL, CE, TUV, RoHS, RCM, REACH |
| Operating temperature | IP20 / UL Open Type: -20 to 50 °C; -20 to 60 °C (needs derating) |
| Delta India price list | Detachable display unit (Delta price list 2026-27, July edition) |
|---|
| Typical applications | Machine 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.