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The Delta MS300 series is a compact vector drive that supports both IM and PM motor control and includes an STO (Safe Torque Off) function.

Built-in functions include PLC capacity for simple programming, communication slot and a USB port to make data uploads quick and easy!

STO, when activated, will stop the drive from providing power. This can be used to prevent unexpected motor rotation while the drive remains connected to a power supply. 

The Delta MS300 series is IP20 rated, NEMA 1 kits are available.

Marshall Wolf Automation is your authorized Delta Industrial Automation distributor!

The MS300 was launched in 2017.

MS300 series

• Supports 4 induction motors switching control
• Supports single pulse input signal from controller as frequency setting
• Built-in PLC capacity - 2K steps
• Built-in RS-485 (MODBUS)
• 5 digit, 7 segment LED display, frequency knob, um and left/down function keys

MH300 series

• Supports 8 induction motors switching control
• Supports dual pulse input signal from controller or feedback signal from encoder w/out additional PG card
• Above will achieve simple closed-loop control
• Built-in PLC capacity - 5K steps
• Built-in RS-485 (MODBUS) and CANopen
• 5 digit, 16 segment LCD display, quick setting wheel dial, left-shift function key

Series Features Include:

Output frequency:

• Standard models: 0 to 599 Hz
• High speed models: 0 to 1500 Hz (V/f Control)

Dual rating design:

• 120% for 60 seconds for Normal Duty (ND)
• 150% for 60 seconds for Heavy Duty (HD)

Additional 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
• Safety standard compliance: Safe Torque Off (SIL2/PLd)
• 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

Need More Information?

• Delta Industrial MS300 Series Standard Compact Drive Catalog
• Delta Industrial Standard Compact Drive MS300 Series User Manual
• Delta Industrial Standard Compact Drive MS300 Series (High Speed Models) User Manual
• Delta Industrial Compact Drive MS300 IP66/NEMA 4X Series User Manual
• Delta Industrial Compact Drive MS300 EtherNet/IP Operation Manual
• Delta Industrial MS300 Series Dimensions

Learn more about Delta and VFDs here!

• Delta Industrial Automation…who?!?
• What VFD should I use with my pump?
• What does VFD really mean?
• A Simple Explanation: The Difference Between a Soft Starter and a Variable Frequency Drive
• VFD Temperature Guide
• How to Program a VFD
• What are the Benefits of a Variable Frequency Drive?