3RW5055-6AB04

The 3RW5055-6AB04 is a Siemens SIRIUS 3RW50 series soft starter with a rated current of 143A. It is suitable for 200-480V three-phase power supplies, uses a 24V AC/DC control voltage design, and features analog output functionality for easy integration with PLC low-voltage control circuits.

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The 3RW5055-6AB04 is a soft starter from the Siemens SIRIUS 3RW50 series. It is designed with a control voltage of 24V AC/DC and is suitable for direct connection to low-voltage control systems such as PLCs.

Core Product Advantages and Features
24V low voltage control
The control power supply is 24V AC/DC, which can be directly matched with the PLC output circuit without the need for a transformer.
Analog output signal
It provides analog signal output, making it easy for the monitoring system to monitor the motor's operating status in real time.
Screw terminal design
Both the main circuit and the control circuit adopt a screw terminal structure for easy wiring.
Flexible soft start/stop settings
The start and stop ramp times can be adjusted according to the characteristics of the motor and load.
project Specification
series SIRIUS 3RW50
Rated current 143 A (40°C)
Applicable power supply voltage 3-phase 200-480V AC
Rated power 90 kW (400V)
Control power supply voltage 24V AC/DC
Output type Analog output
Terminal type Main circuit bus connection, control circuit screw terminals
Protection level IP00 (without cap) / IP20 (with cap)
Installation method Secured by screws, it can rotate ±90° or tilt ±22.5°.
Communication Interface Optional PROFINET/PROFIBUS/Modbus/EtherNet-IP modules
Function Soft start, soft stop
Application scenarios Three-phase motor start/stop integrated with PLC low-voltage control system