Siemens 3RT2047-1XF40-0LA2 Traction Contactor 110 A, 55 kW, 3-Pole, 110 V DC Original Brand New

Overview

The Siemens 3RT2047-1XF40-0LA2 traction contactor is a high-performance electrical switching device designed for industrial and railway traction applications. Engineered for reliability and durability, it is ideal for controlling AC motors in demanding environments. With a solid-state operating mechanism and integrated varistor, it ensures safe and efficient operation. Its compact design and screw terminal connections make installation and maintenance straightforward.

Key Features & Functions

• Rated Current: 110 A

• Motor Capacity: 55 kW at 400 V (AC-3e/AC-3)

• Poles: 3-pole configuration for stable and reliable switching

• Coil Voltage: 110 V DC, adjustable range 0.7–1.25*Uc

• Operating Mechanism: Solid-state for fast, precise actuation

• Protection: Integrated varistor for overvoltage protection

• Auxiliary Contacts: 1 NO + 1 NC for control and signaling

• Terminal Type: Screw terminal for secure wiring

• Frame Size: S3, compact and robust for industrial applications

Benefit

• High Reliability: Solid-state mechanism reduces wear and extends operational life

• Enhanced Safety: Integrated varistor protects against voltage spikes

• Easy Integration: Standardized dimensions and terminals simplify installation

• Durable Performance: Supports heavy-duty traction and motor applications

• Versatile Usage: Suitable for AC-3e and AC-3 rated motors up to 55 kW

Application

• Railway and traction systems

• Industrial AC motor control

• Heavy-duty machinery requiring robust contactors

• Electrical switching and automation systems

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