3RW5235-6AC14

The SIRIUS 3RW5235-6AC14 has a rated current of 143A and can cover a power range of 37kW to 132kW depending on the wiring method. It features 4-20mA/0-10V analog output and 2 normally open and 1 switching contact. The overload level is adjustable, making it suitable for medium-sized three-phase motor applications.

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Siemens SIRIUS 3RW5235-6AC14 soft starter appearance diagram

Product Positioning

The 3RW5235-6AC14 is a SIRIUS 3RW52 general-purpose soft starter with a rated current of 143A. Depending on the three-wire or six-wire internal delta connection method, it can cover a power range from 37kW to 132kW and is suitable for the start-stop control of three-phase motors such as medium-sized pumps and fans.

Core Product Advantages and Features

Multi-segment power coverage

Depending on the three-wire or six-wire internal delta connection method, it can meet the needs of motors with different power from 37kW to 132kW.

Overload level adjustable

Offers 10A/10E/20E trip level options, and adjusts the overload protection response time according to motor characteristics.

Dual output signal design

It also features analog output and three sets of digital output contacts, facilitating the transmission of operational status for higher-level monitoring.

Compact structure

With its compact size and weight of approximately 6.6 kg, it is easy to install within existing distribution panel space.

project	Specification
Rated current	143 A (40°C)
Applicable main circuit voltage	200–480 V AC
Control power supply voltage	110–250 V AC
Power (230V, three-wire internal connection)	37 kW
Power (400V, three-wire internal connection)	75 kW
Power (400V, six-wire delta connection)	132 kW
Product Series	SIRIUS 3RW52 General Performance
Terminal type	Screw terminals
Output type	Analog output (4-20mA/0-10V) + 3 digital outputs
Overload trip level	10A (preset) / 10E / 20E optional
Protection level	IP00 (IP20 can be achieved by adding a terminal cover)
Casing size	Approximately 306 x 185 x 203 mm
weight	Approximately 6.6 kg

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3RW5236-6TC15

This 3RW5236-6TC15 has a rated current of 171A and a main circuit voltage extended to 600V. It features a thermistor input design to monitor the motor winding temperature and screw terminal wiring, making it suitable for soft-start applications of large three-phase motors with high voltage levels.

3RW5234-6TC15

The SIRIUS 3RW5234-6TC15 has a rated current of 113A, a main circuit voltage extended to 600V, and a power of approximately 132kW. It uses a thermistor instead of an analog output design, which can directly read the motor's built-in temperature sensing signal, making it suitable for overheat protection applications of medium-sized motors.

3RW5234-6AC14

SIRIUS 3RW5234-6AC14 has a rated current of 113A, is suitable for 200-480V main circuits, has a power of approximately 110kW, features screw terminal wiring and provides analog output signals, and can be equipped with PROFINET and other communication modules. It is suitable for start-stop control of medium-sized three-phase motors.