Our family of electrical motors has been extended. Check out the motors section!



EU e-Privacy Directive

This website uses cookies to manage authentication, navigation, and other functions. By using our website, you agree that we can place these types of cookies on your device.

View Privacy Policy

You have declined cookies. This decision can be reversed.

4Q controller for permanent magnet DC-motors

Battery voltage: 24 to 48 V
Peak motor current: up to 260 A
Max. power: 8,6 kW
IP rating: IP44


  • Optimized for operation in electrical vehicles
  • Four quadrant operation
  • Noiseless
  • State of the art solution - microcontroller based
  • Powerful diagnostics and self-test functions
  • Compact size
  • Fully intergrated (including contactor, heatsink and fan)
  • Low weight and ruggedized construction

Approvals: CE, TÜV (Nr.: Z1 99 11 37862 001)


Drive controller type PD3-24V PD3-48V/180
Nominal battery voltage 24 V 36 V - 48 V
Peak motor current 260 A 180 A
Nominal motor current 100 A
IP rating IP21
Size (L x W x H) 255 x 190 x 130 mm
Weight 3,5 kg

Typical connection diagram: pdf