Siemens 3RT2035-1AH04 SIRIUS 3RT2 Power Contactor 41A, 18.5kW, 48V AC Coil, 3-Pole, Size S2 Original Brand New

Overview

The Siemens 3RT2035-1AH04 Power Contactor is a high-performance switching device from the state-of-the-art SIRIUS 3RT2 family, specifically engineered for reliable and efficient switching of motors and other demanding electrical loads. This robust 3-pole contactor is rated for $41\text{ A}$ (AC-3e/AC-3 utilization category) and is capable of controlling motors up to $18.5\text{ kW}$ at $400\text{ V}$.

The unit features a low-power, $\text{48 V AC}$ control coil and comes in the compact Size S2 frame, making it an excellent choice for optimizing space in control panels and motor starter assemblies. It includes integrated auxiliary contacts ($\text{2 NO}+\text{2 NC}$) with a removable auxiliary switch for enhanced flexibility in control circuits and system signaling. Connection is made secure and straightforward via robust screw terminals. As a certified component, the 3RT2035-1AH04 ensures high availability and long service life in industrial automation applications.

Benefit

1. High Reliability & Performance: Part of the SIRIUS system, ensuring trusted quality and consistent performance for critical motor control tasks.
2. Space and Cost Efficiency: The compact Size S2 design helps minimize panel space requirements, while the energy-efficient control coil reduces operational power consumption.
3. Flexible Control Integration: Pre-assembled with $2\text{ NO}+2\text{ NC}$ auxiliary contacts and featuring a removable auxiliary switch for easy integration into interlocking, signaling, and PLC-based control circuits.
4. Simple Installation: Designed for quick and secure mounting on a DIN rail, with reliable screw terminals for main and control circuits.
5. Global Compliance: Tested and certified to international standards (e.g., IEC 60947), suitable for worldwide use in diverse industrial environments.

Function and Application

Function: The Siemens 3RT2035-1AH04 acts as a primary switching device for connecting and disconnecting an electrical load, typically a three-phase motor, to a power supply. It is crucial for starting, stopping, and protecting industrial motors.

Primary Applications:

• Switching three-phase asynchronous motors in machinery and plant engineering.
• Serving as a core component in Direct-On-Line (DOL) starters and reversing starters.
• Controlling resistive loads (e.g., heating systems, lighting).
• Integration into industrial automation systems, including HVAC, pump control, conveyor belts, and packaging machinery.

For more information on the Siemens 3RT2035-1AH04 and to explore our full range of industrial control components, visit turll today!