MANNESMANN DEMAG DSUB 311 SPEED CHANGE OVER CONTACTOR
The Mannesmann Demag DSUB 311 is a high-performance speed change over contactor designed for reliable motor control in industrial environments. Built to handle a wide range of voltage levels and power ratings, this contactor ensures safe and efficient switching across multiple speed configurations. Engineered for durability and precision, it is suitable for demanding automation and machinery applications.
Manufacturer: Mannesmann Demag
Type: Speed Change Over Contactor
Model: DSUB 311
Technical Information
- Coil Voltage: 110 V
- Electrical Ratings (AC-3):
- 230/220 V “ 8.5 kW / 11.5 HP
- 400/380 V “ 15 kW / 20 HP
- 500 V “ 15 kW / 20 HP
- 690/660 V “ 12 kW / 16 HP
- Thermal Current Rating (AC-1): 45 A
