3RW5244-6AC05

This model is a 24V AC/DC version of the 3RW5244 series, with a rated current of 250A. It is suitable for 200-600V main circuits, features screw terminals and analog output design, and can be equipped with various communication modules to facilitate integration into equipment and machines with low-voltage DC control circuits.

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Product image of Siemens SIRIUS 3RW5244-6AC05 soft starter

Product Positioning

The 3RW5244-6AC05 belongs to the SIRIUS 3RW52 general-purpose soft starter. The main difference is that it adopts a 24V AC/DC control power supply, and the applicable voltage range is extended to 600V, making it suitable for starting high-voltage motors with low-voltage DC control circuits.

Core Product Advantages and Features

24V low-voltage control power supply

The control circuit adopts a 24V AC/DC design, which facilitates direct connection with PLC or existing low-voltage control systems.

Applicable high voltage motors

The main circuit voltage range is 200-600V, which can meet the starting requirements of three-phase motors with higher voltage levels.

Built-in bypass system

After startup, the bypass contact is automatically switched to reduce operating losses and heat dissipation requirements.

Modular communication expansion

The reserved slots can be used to install communication modules such as PROFIBUS and PROFINET, expanding the flexibility of monitoring.

project	Specification
Rated current	250 A (40°C)
Applicable main circuit voltage	200–600 V AC
Control power supply voltage	24 V AC/DC
Power (3-wire internal connection, 400V)	132 kW
Power (6-wire delta connection, 400V)	250 kW
Product Series	SIRIUS 3RW52 General Performance
Terminal type	Screw terminals
Output type	Analog output
Built-in functions	Built-in bypass contactor, adjustable overload protection level
Protection level	IP00
Frame size code	Frame Size 4
Applicable to	Three-phase asynchronous motor start/stop control

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