Siemens 3RT1055-6XB46-0LA2 Power Contactor, 150A, 75kW, 400V, AC-3, 3-Pole, 24V DC Coil, 2NO+2NC Contacts Original Brand New

Overview

The Siemens 3RT1055-6XB46-0LA2 Power Contactor is a high-performance industrial contactor engineered for precision and reliability in demanding electrical systems. Designed to operate under extended rated conditions, this 3-pole contactor is ideal for AC-3e/AC-3 applications up to 150A and 75kW at 400V. Featuring a 24V DC control voltage with an integrated electronic drive system, this unit ensures efficient control, reduced wear, and optimized performance for railway and industrial automation systems in compliance with IEC 60077.

Key Specification

• Product Type: Power Contactor (SIRIUS 3RT1, Size S6)
• Article Number: 3RT1055-6XB46-0LA2
• Poles: 3-pole
• Rated Current (AC-3e/AC-3): 150 A (at 400 V)
• Rated Power (AC-3): 75 kW (at 400 V)
• Control Supply Voltage (Uc): 24 V DC (wide range x 0.7-1.25)
• Control Type: Electronic Drive with PLC input (24-110 V DC)
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
• Main Circuit Connection: Busbar
• Control/Auxiliary Connection: Screw Terminal
• Special Feature: Extended rated condition (Railway applications)
• Compliance: IEC 60077 (Railway Standard)

Benefits & Advantages

• Railway Approved Reliability: Extended rated condition and adherence to IEC 60077 ensure high performance and safety in harsh, vibration-prone railway and traction environments.
• High Power Density: Compact Size S6 design manages up to 150A and 75kW, optimizing panel space.
• Versatile Control: The 24 V DC electronic drive with a wide operating factor and PLC input (24-110 V DC) simplifies integration into modern automation and control systems.
• Pre-installed Auxiliaries: Integrated 2 NO + 2 NC auxiliary contacts reduce wiring time and complexity.
• Modular System: Part of the comprehensive Siemens SIRIUS modular system, allowing for easy selection of compatible accessories (e.g., overload relays, surge suppressors).
• Robust Connection: Busbar terminals for the main circuit offer a secure, high-current connection, while screw terminals provide reliable auxiliary/control wiring.

Application

• Railway power systems and traction control

• Industrial motor control and automation

• Conveyor systems, compressors, and pumps

• Heavy-duty electrical installations requiring extended rated conditions

For more information, technical datasheets, or to explore our full range of Siemens SIRIUS products, visit our Turll product section now!