Siemens 3RT1055-2AD36 SIRIUS 3RT Power Contactor, 150A, 75kW, 42-48V AC/DC, Spring-Loaded Terminals Original Brand New

Overview

The Siemens 3RT1055-2AD36 is a high-performance power contactor from the trusted SIRIUS 3RT series, engineered for robust and reliable switching of motors and other electrical loads. With an impressive 150 A rating for AC-3e/AC-3 applications and a power output of 75 kW at 400 V, this 3-pole contactor is ideal for demanding industrial environments. Its innovative design features a conventional drive, an efficient busbar for the main circuit, and convenient spring-loaded terminals for the control and auxiliary circuits, ensuring a secure and vibration-proof connection.

Benefit

• High Power Capacity: Handles heavy-duty applications with its 150 A and 75 kW ratings, providing reliable motor control.
• Versatile Control: The wide-range AC (50-60 Hz) / DC control voltage of 42-48 V makes it adaptable to various power systems.
• Space-Saving Design: The compact SIRIUS 3RT series footprint helps optimize panel space.
• Enhanced Reliability: The integrated surge suppressor protects against voltage spikes, extending the lifespan of the contactor and connected equipment.
• Convenient Installation: The main circuit features a busbar connection for quick and secure installation, while the spring-loaded terminals on the control and auxiliary circuits simplify wiring and ensure a lasting, maintenance-free connection.
• Comprehensive Auxiliary Contacts: Equipped with 2 NO + 2 NC auxiliary contacts, providing flexibility for signaling and interlocking functions.

Function

• Motor Switching: Efficiently and safely switches on and off electrical motors, protecting them from overloads.
• Load Control: Suitable for controlling a variety of resistive and inductive loads in industrial automation, HVAC, and machinery.
• Safety & Interlocking: The built-in auxiliary contacts can be used for feedback, status indication, and implementing safety interlock circuits.
• Integration: Designed for seamless integration into the SIRIUS modular system, offering a comprehensive solution for motor control applications.

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT1055-2AD36
• Series: SIRIUS 3RT1
• Rated Operational Current (AC-3e/AC-3): 150 A
• Rated Power (AC-3e/AC-3): 75 kW @ 400 V
• Number of Poles: 3-pole
• Control Voltage (Uc): 42-48 V AC (50-60 Hz) / DC
• Drive: Conventional
• Auxiliary Contacts: 2 NO + 2 NC
• Main Circuit Connection: Busbar
• Control/Auxiliary Circuit Connection: Spring-loaded terminal
• Surge Suppressor: Integrated

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