Siemens 3RW4047-1BB14

Siemens 3RW4047-1BB14 | SIRIUS 3RW40 Soft Starter – 47A, 22 kW, 24V AC/DC Control, Size S3, IP20

Overview

The Siemens 3RW4047-1BB14 is a SIRIUS 3RW40 soft starter designed for smooth motor starting and stopping in industrial applications. It handles motors rated up to 22 kW at 400V with a 47A operational current. Featuring 24V AC/DC control voltage, integrated bypass, and a compact size S3 frame, this soft starter ensures reduced mechanical and electrical stress on your equipment.

Key Features

• Rated Power: 22 kW @ 400V

• Rated Current: 47A

• Control Voltage: 24V AC/DC

• Voltage Range: 200–480V AC, 3-phase

• Integrated Bypass Contact System: For energy efficiency and reduced heat

• Start/Stop Features: Voltage ramp, current limiting

• Mounting: Panel mount

• Size: S3

• Protection Rating: IP20

• Status LEDs: For diagnostics and operation

Technical Specifications

• Part Number: 3RW4047-1BB14

• Series: SIRIUS 3RW40

• Ambient Temperature: –25°C to +60°C (derating may apply)

• Dimensions (HxWxD): Approx. 195 × 120 × 160 mm

• Certifications: CE, UL, cULus, EAC, RoHS

• Application Category: AC-53a (for standard motors)

Applications

• Industrial pumps and fans

• HVAC systems

• Compressors and blowers

• Conveyor belts and mixers

• Equipment requiring soft acceleration and deceleration

Why Choose the 3RW4047-1BB14?

• Efficient Motor Start/Stop: Protects system from mechanical shock and current peaks

• Built-in Bypass: Improves thermal efficiency and reduces wiring complexity

• Compact Design: Size S3 ideal for medium power applications

• Wide Voltage Compatibility: Supports global power standards

• Trusted Siemens Engineering: Reliable operation under demanding conditions

Order Now

The Siemens 3RW4047-1BB14 soft starter is available and ready for global shipment.