55kW Open Chassis Star Delta Starter with Overload

Model Number
SDS55OC400V

55kW Open Chassis Star Delta Starter

More Information
£932.16 £776.80

The MCW 55kW Open Chassis Star-Delta Starter is manufactured from three contactors, a timer, and a thermal overload relay (Trip Class 20).

Trip class by application Trip Class by Application Chart

SDS Trip Class

The MCW 55kW open chassis star delta starter is fitted with a Trip Class 20 thermal overload relay as standard which is suitable for the majority of light to medium industrial type load applications. The trip class 20, OC SDS will come supplied with the motor thermal overload separate to the contactor arrangement and housed in a standalone mounting base.

The MCW star delta starter range is not suitable for applications that have a very heavy load on start that takes greater than 20s to start or very high inertia loads such as high inertia fans, centrifuges or loaded crushers.

Trip Class Explained

At 600% of the maximum current rating of the motor the Trip Class 10 unit will trip in 10 seconds or less, Trip Class 20 will trip in 20 seconds or less, and Trip Class 30 will trip in 30 seconds or less. 

 

Features

  • Fully wired and assembled
  • Adjustable delay timer
  • Adjustable thermal overload relay (Trip Class 20)
  • Ready for cabinet mount
  •  

 See images for dimensions before purchasing. Size below is for trip class 20.

 

Model Number SDS55OC400V
Power kW 55
Trip Class 20
Input Voltage 400VAC +/-10%
Coil Voltage 400VAC +/-10%
MCB Break Capacity N/A
Encl Rating IP00
Overload 18-90A
Material N/A
Motor Current 31-110A
Depth 160mm
Length 350mm
Width 480mm
Weight 10.000000