SD250 AC motor controller

The SD250 motor controller is for 3 phase motor control applications up to ~300kVA.  Permanent Magnet (PM) and AC Induction (ACIM) motors up to 700 Arms and 425V DC are supported.

Please record motor information

Please select the motor position sensor type

Please note characteristics of the position sensor. Ie Excitation voltage, kHz, Supply Voltage, manufacturer, model etc

Please select required length of DC cable. Standard length is 0.7m.

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Category: SKU: SD250


The Scott Drive family of AC Motor controllers is designed for easy integration into existing vehicles or for new OEM motive power applications.

Using the latest technology and high-quality automotive grade components the SD250 electric motor controller represents exceptional value and reliability for three phase motor control applications up to ~300kVA.  With support for both Permanent Magnet (PM) and AC Induction (ACIM) motors, the SD250 can provide up to 700 Arms of motor current and bus voltages up to 425V DC continuous rating.

Additional information

Weight 16.5 kg
Dimensions 460 × 350 × 110 mm
Output Power

300 kVA

Nominal DC Bus Voltage

200 – 425

Maximum DC Bus Voltage

450 Volts

Rated Current

700 A rms

Maximum Current

800 A rms

Switching Frequency

10 – 20 kHz

DC Bus Capacitance

1760 uF

Minimum Drive Supply Current

2 Amps

Maximum drive supply current

40 amps