Siemens SIRIUS 3RT2035-1AF00 Power Contactor, 41A, 18.5kW, 110V AC Coil, Size S2 Original Brand New

Overview

The Siemens 3RT2035-1AF00 Power Contactor from the SIRIUS 3RT2 series is a high-performance, compact switching device engineered for reliable motor control applications. Classified for both AC-3e and AC-3 categories, this 3-pole contactor is perfectly suited for switching motors up to 18.5 kW at 400 V (or $41\text{ A}$ rated operational current). Its robust design and high contact reliability make it an indispensable component in modern industrial load feeders.

Benefit

• High Performance in a Compact Design: The SIRIUS 3RT2 series offers excellent power density, saving space in your control cabinet.
• Global Compliance: Approved for worldwide use (e.g., IEC and UL/CSA), ensuring ease of integration into international systems.
• Reduced Wiring Complexity: Features integrated auxiliary contacts ($1\text{ NO}+1\text{ NC}$) which simplify design and wiring.
• Reliable Connection: Equipped with robust screw terminals for secure and industry-standard main and auxiliary circuit connections.
• Future-Ready: IE3/IE4-ready for efficient use with the latest generation of energy-efficient motors.

Function & Application

The 3RT2035-1AF00 functions primarily as a power contactor for switching 3-phase AC motors and resistive loads. It is a critical component in various industrial applications, including:

1. Motor Starters: Used in direct-on-line (DOL) and reversing starter combinations.
2. Load Feeders: Ideal for controlling large heating, lighting, or capacitor banks.
3. Industrial Machinery: Provides reliable on/off control for pumps, fans, conveyors, and production equipment.

Integration and Accessories

As part of the modular SIRIUS system, the S2 size 3RT2 Contactor is fully compatible with a wide range of accessories, including thermal overload relays (SIRIUS 3RU2), auxiliary switch blocks, surge suppressors, and functional modules, allowing for complete and coordinated load feeder solutions.

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