3RW5055-6AB14

The 3RW5055-6AB14 is a Siemens SIRIUS 3RW50 series soft starter with a rated current of 143A. It is suitable for 200-480V three-phase power supplies, controls voltages of 110-250V AC, and provides analog output signals for monitoring motor operating current and status.

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Siemens SIRIUS 3RW5055-6AB14 soft starter analog output

Product Positioning

The 3RW5055-6AB14 is a soft starter from the Siemens SIRIUS 3RW50 series, with a rated current of 143A. It features analog output signals, facilitating the transmission of motor operation information back to the control system.

Core Product Advantages and Features

Analog output signal

It provides analog signal output, which can transmit operating information such as motor current to the upper monitoring system.

Wide control voltage range

The control power supply supports 110-250V AC, which is suitable for various power distribution environments and does not require an additional transformer.

Screw terminal connection

The control circuit uses a screw terminal design, making wiring and maintenance very convenient.

Soft start-stop control

The start and stop ramp times can be adjusted to reduce the impact on the motor and mechanical transmission system.

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	110-250V AC, 50/60Hz
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	Smooth start-stop and status monitoring of medium-sized three-phase asynchronous motors

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