Siemens Soft Starter 3RW3037-1BB14

The Siemens Soft Starter 3RW3037-1BB14 is a basic performance SIRIUS soft starter designed for the smooth starting of three-phase AC electric motors. It reduces high inrush currents and mechanical stress on the drive system. 

Specification: 

• Operating Current Rating: 63 A (at 40 °C ambient temperature)
• Motor Power:
  • 30 kW at 400 V
  • 18.5 kW at 230 V
  • 40 hp at 460/480 V
• Operating Voltage (Ue): 200 – 480 V AC
• Control Supply Voltage (Us): 110 – 230 V AC/DC
• Frequency: 50/60 Hz
• Connection Type: Screw terminals
• Device Size: S2
• Bypass Feature: Integrated bypass contact system to reduce power loss after startup
• Poles: 3 poles for the main circuit
• Auxiliary Contacts: 1 NO (Normally Open) contact
• IP Protection Class: IP20 on the front 

Minimizes mechanical load on the drive system and reduces current peaks, thus preventing supply voltage fluctuations.