PRODUCT SPECIFICATIONS
Model Name | VFD4A8MS21MFSAA |
Series | MS-300 Series |
Input Voltage – Phase | 230 V – 1 Phase |
Motor Power Range | 1 HP – 0.75 KW |
Frequency | 0 – 599 Hz |
Frame Size | A1 |
IP Level | IP 66 |
EMC Filter | Built-in |
Normal Duty* Amps | 5.0 A |
Heavy Duty** Amps : | 4.8 A |
Weight | 6.4 Lbs |
Dimensions | 6.3 (in) x 9.06 (in) x 5.94 (in) |
* Normal duty: rated current 120% for 60 seconds; 150% for 3 seconds
** Heavy duty: rated current 150% for 60 seconds; 200% for 3 seconds
FILES
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Catalog | Delta MS-300 Series Catalog |
Users Manual | Delta MS 300 User Manual IP66 NEMA4x Models |
Dimensions | Delta VFD4A8MS21MFSAA Dimensions |
2D-CAD File | Delta VFD4A8MS21MFSAA 2D CAD |
3D-CAD File | Delta VFD4A8MS21MFSAA 3D CAD |
Energy Efficiency Report | Delta MS300 Energy Efficiency Report |
UL Certification | Delta MS300 UL Certification |
SOFTWARE

SERIES DESCRIPTION
The MS300 is Delta’s compact vector control drive line.
Optimized Space Utilization
Compact Design | Side-by-Side Installation
Communication Options
Built-in RS-485 (Modbus) and various communication card options: CANopen, PROFIBUS DP, DeviceNet, MODBUS TCP, EtherNet/IP, EtherCAT, PROFINET. Removable 5-digit LED keypad for remote operation
Outstanding Drive Performance
Supports IM and PM Motors | High Starting Torque | Enhanced Braking Capability | Fast Response to Load Impact | Deceleration Energy Backup (DEB)
Strong System Support
Multi-motor Control | Pulse Control | Built-in PLC | Tension Control | DC 24 V External Power | High Overload Capability | Built-in Brake Chopper | Closed-Loop Control
Wide Range of Applications
Rewinder Machines | Slitter Machines | Printing Machines | Drawing Machines | Coil Winding Machines | Machine Tools | Woodworking Machines | Textile Machines

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