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Siemens 3RW4037-2BB14 SIRIUS Soft Starter - 63A, 30kW

Siemens SIRIUS S2 soft starter, 63A, 30kW.

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ManufacturerSiemens

Part number3RW4037-2BB14

Type SIRIUS S2

Rated operational current 63 A

Motor power 30 kW at 400 V

Supply voltage 200-480 V AC

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Veteran-owned

CAGE: 9NK75

Smooth motor start/stop Integrated overload protection Wide voltage range Spring-type terminals S2 class performance

Product description

The Siemens 3RW4037-2BB14 is a SIRIUS soft starter designed for S2 applications. It features a rated operational current of 63 A and a motor power of 30 kW at 400 V. The unit operates with a supply voltage range of 200-480V AC and a control voltage of 110-230V AC/DC, with an ambient temperature rating of 40°C.

This soft starter is ideal for applications requiring smooth motor acceleration and deceleration, such as pump systems, fan drives, and conveyor belts. It is commonly used in industrial automation, water treatment, and HVAC systems.

Stanlo Automation, a veteran-owned surplus parts distributor, offers this Siemens soft starter. We provide reliable and cost-effective solutions for your industrial automation needs, ensuring you get the right parts when you need them.

Technical specifications

Type	SIRIUS S2
Rated operational current	63 A
Motor power	30 kW at 400 V
Supply voltage	200-480 V AC
Control voltage	110-230 V AC/DC
Ambient temperature	40 °C
Terminals	Spring-type

Common applications

Pump control

Fan drives

Conveyor systems

Industrial machinery

HVAC systems

Motor control

Compatible systems

Various motor types and control systems requiring soft start functionality

Also known as

Siemens SIRIUS Soft Starter

Replaces / compatible with

This soft starter is designed for direct motor control applications where smooth starting is required. It is a component within the Siemens SIRIUS motor management system.

Technical note

Expert tip

Ensure proper heat dissipation by adhering to the specified ambient temperature of 40°C, as this affects the operational current rating.

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Frequently asked questions

What is the motor power rating for the Siemens 3RW4037-2BB14?

The Siemens 3RW4037-2BB14 soft starter is rated for a motor power of 30 kW at a voltage of 400 V.