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Softstarters For High-Feature Applications

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Features:
• Soft starting and smooth ramp-down
• Stepless starting
• Reduction of current peaks
• Reduced load on the power supply network
• Reduction of the mechanical load in the operating mechanism
• Avoidance of mains voltage fluctuations during starting
• Considerable space savings and reduced wiring compared with conventional starters
• Maintenance-free switching

Performance range:
• Up to 900 HP (at 460 volt) inline circuit
• Up to 1600 HP (at 460 volt) inside-delta circuit

In addition to soft starting and soft ramp-down, the solid state 3RW44 softstarters provide numerous function for higher-lever requirements. The new torque control and adjustable current limiting enable the high-feature soft starters to be used in nearly every application. They guarantee the reliable avoidance of sudden torque applications and current peaks during motor starting and stopping. This creates savings potential when calculating the size of the switchgear and when servicing the machinery installed.

The bypass contacts already integrated in the softstarter bypass the thermistors after a motor ramp-up is detected. This results in a further reduction in the heat loss occurring during operation of the softstarter.

Combinations of various starting operating and ramp-down possibilities ensure an optimum adaptation to the application specific requirements.

 






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  Results 51 - 75 of 88 1 2 3 4 

Item #

HP at 200 Volts

HP at 230 Volts

HP at 460 Volts

Rated Operational Current

Terminal Type

Supply Voltage

3RW4446-2BC44 100 125 250 315 Spring 230
3RW4446-6BC44 100 125 250 315 Screw 230
3RW4447-2BC34 125 150 300 385 Spring 115
3RW4447-6BC34 125 150 300 385 Screw 115
3RW4447-2BC44 125 150 300 385 Spring 230
3RW4447-6BC44 125 150 300 385 Screw 230
3RW4453-2BC34 150 200 400 494 Spring 115
3RW4453-6BC34 150 200 400 494 Screw 115
3RW4453-2BC44 150 200 400 494 Spring 230
3RW4453-6BC44 150 200 400 494 Screw 230
3RW4454-2BC34 150 200 450 551 Spring 115
3RW4454-6BC34 150 200 450 551 Screw 115
3RW4454-2BC44 150 200 450 551 Spring 230
3RW4454-6BC44 150 200 450 551 Screw 230
3RW4455-2BC34 200 250 500 615 Spring 115
3RW4455-6BC34 200 250 500 615 Screw 115
3RW4455-2BC44 200 250 500 615 Spring 230
3RW4455-6BC44 200 250 500 615 Screw 230
3RW4456-2BC34 200 250 550 693 Spring 115
3RW4456-6BC34 200 250 550 693 Screw 115
3RW4456-2BC44 200 250 550 693 Spring 230
3RW4456-6BC44 200 250 550 693 Screw 230
3RW4457-2BC34 250 300 600 780 Spring 115
3RW4457-6BC34 250 300 600 780 Screw 115
3RW4457-2BC44 250 300 600 780 Spring 230
  Results 51 - 75 of 88 1 2 3 4