3RW3038-1BB14

The Siemens SIRIUS 3RW3038-1BB14 soft starter, with the 3RW30 basic model in S2 frame, has a rated current of 72A and can drive a 37kW three-phase motor at 400V. The main circuit is AC200-480V, and the control voltage is AC/DC110-230V. It uses screw terminal wiring and is suitable for the soft starting needs of medium and large motor equipment.

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Product Positioning

The 3RW3038-1BB14 belongs to the Siemens SIRIUS 3RW30 basic soft starter series. The S2 frame is compatible with a 72A rated current and a 37kW motor at 400V. The control voltage is designed for AC/DC 110-230V.

Core Product Advantages and Features

S2 chassis with moderate current

With a rated current of 72A and a voltage of 400V, it corresponds to a 37kW three-phase motor, suitable for medium to large load equipment.

Wide control voltage compatibility

The control voltage covers AC/DC 110-230V, adapting to the voltage requirements of various existing power distribution control circuits.

Screw terminal wiring

The standard screw terminal design makes on-site wiring and subsequent maintenance convenient.

Wide voltage range of main circuit

The main circuit can be connected to AC200-480V, making it suitable for use in different power grid voltage environments.

project	Specification
Product Series	SIRIUS 3RW30 Basic Model
Frame size	S2
Rated operating current Ie (40°C)	72 A
Corresponding motor power (400V)	37 kW
Main circuit rated voltage	AC 200-480V
Control voltage	AC/DC 110-230V
Wiring method	Screw terminals

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