Siemens 3RT1054-2NB36 SIRIUS Power Contactor 115 A, 55 kW, 400V, Spring-Loaded Terminal Original Brand New

Overview

The Siemens 3RT1054-2NB36 is a high-performance 3-pole power contactor from the SIRIUS 3RT1 series (Size S6), specifically designed for switching motors and electrical loads up to 115 A. This robust contactor is engineered for demanding industrial control applications, offering a high switching capacity of 55 kW at 400 V (AC-3e/AC-3).

It features a sophisticated electronic drive with a universal AC/DC coil voltage of 21-27.3 V (Uc), including a dedicated PLC input (24 V DC) for seamless integration into modern automation systems. The design incorporates a busbar connection for the main circuit and spring-loaded terminals for secure, fast, and vibration-proof wiring of the control and auxiliary circuits, ensuring maximum operational reliability.

Benefit

• High Switching Performance: Rated for 115 A and 55 kW, it reliably handles high-current, demanding motor applications.
• PLC-Optimized Control: The electronic drive and 24 V DC PLC input voltage range (21-27.3 V AC/DC) ensures compatibility with modern programmable logic controllers (PLCs), minimizing interface requirements.
• Fast & Reliable Wiring: Control and auxiliary circuits utilize maintenance-free spring-loaded terminals (push-in technology), reducing wiring time and providing a secure, reliable connection.
• Integrated Auxiliary Contacts: Comes standard with 2 NO (Normally Open) + 2 NC (Normally Closed) auxiliary contacts for versatile signaling and interlocking in control circuits.
• Industrial Standard: Part of the globally recognized Siemens SIRIUS family, guaranteeing proven quality, ruggedness, and a wide range of compatible accessories.

Application

• Industrial motor control systems

• Automated machinery and production lines

• PLC-controlled automation projects

• Power distribution panels

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