3RW4038-1BB15

The 3RW4038-1BB15 is a Siemens SIRIUS 3RW40 series S2 housing soft starter with a rated operating voltage ranging from 400 to 600V, a rated current of 62A at 50°C, a power consumption of 40HP at 460V and 60HP at 575V, and a control power supply voltage of 24V AC/DC.

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Product Positioning

The 3RW4038-1BB15 is a Siemens SIRIUS 3RW40 series S2 housing soft starter with a rated current of 62A and an operating voltage ranging from 400 to 600V. It is suitable for starting small to medium power three-phase motors under higher voltage power grids.

Core Product Advantages and Features

Wide operating voltage range

Rated operating voltages range from 400 to 600V, suitable for industrial power grids with higher voltage levels.

Compatible with 40 to 60HP motors

A 40HP motor corresponds to a 460V three-phase motor, and a 60HP motor corresponds to a 575V three-phase motor.

24V AC/DC control power supply

The control circuit is designed for 24V, which facilitates integration and wiring with common low-voltage control systems.

Compact S2 chassis design

It belongs to the smaller S2 chassis class and is suitable for control panel configurations with limited space.

project	Specification
Case size	S2
Rated current (50°C)	62 A
Rated operating voltage	400...600 V AC
Control power supply voltage	24 V AC/DC
Motor power (460V, UL)	40 HP
Motor power (575V, UL)	60 HP
Main circuit terminal type	Screw terminals
Main standards	IEC 60947-4-2
Reference weight (S2 casing)	Approximately 1.35 kg
Applicable occasions	Three-phase motor applications in pumps, conveyors, fans, etc.

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