Siemens 3RT2035-1AN24 SIRIUS Power Contactor, 41A, 18.5kW, 220V AC, S2 Original Brand New

Overview

The Siemens SIRIUS 3RT2035-1AN24 Power Contactor is a high-performance 3-pole switching device engineered for controlling electric motors and other resistive loads up to $18.5\text{ kW}$ at $400\text{ V}$ (AC-3e/AC-3 rated). As part of the globally recognized SIRIUS $3\text{RT2}$ series, this contactor offers exceptional reliability and a compact design (Size S2) suitable for diverse industrial automation and control applications. It is fitted with a $220\text{ V AC, }50\text{/60 Hz}$ coil for actuation and features secure screw terminals for robust electrical connections.

Technical Specification / Function

This IEC standard power contactor is designed for demanding switching operations and includes integrated control and signaling capabilities.

• Product Number: 3RT2035-1AN24
• Contactor Series: Siemens SIRIUS $3\text{RT2}$
• Utilization Category: $\text{AC-3e/AC-3}$ (Motor Switching)
• Operational Current ($\text{Ie}$): $41\text{ A}$ (at $400\text{ V}$)
• Operational Power ($\text{Pe}$): $18.5\text{ kW}$ (at $400\text{ V}$)
• Poles: 3-pole main circuit
• Coil Control Voltage ($\text{Us}$): $220\text{ V AC, }50\text{/60 Hz}$
• Auxiliary Contacts: $2\text{ NO}+2\text{ NC}$ (Normally Open + Normally Closed)
• Terminal Type: Screw Terminal
• Contactor Size: $\text{S2}$ (Frame Size S2)
• Additional Feature: Removable Auxiliary Switch Block

Benefit & Key Advantages

• Reliable Performance: High mechanical and electrical service life, typical of the SIRIUS $3\text{RT2}$ range, ensuring long-term motor control.
• Flexible Integration: The generous $2\text{ NO}+2\text{ NC}$ auxiliary contact configuration, combined with a removable auxiliary switch block, provides flexibility for interlocking and signaling circuits.
• Global Standard: Complies with international IEC/EN standards, making it suitable for global use.
• Robust Connection: Secure screw terminals simplify wiring and provide a durable connection, reducing maintenance needs.
• Space Optimization: The compact Size S2 design allows for efficient use of space within control cabinets and panels.
• Safety: Designed with a finger-safe configuration ($\text{IP20}$) according to $\text{EN }50274$.

Application

Ideal for switching and controlling:

• Three-phase AC motors (up to $18.5\text{ kW}$)
• Heating loads
• Lighting circuits
• Pumps and Fans
• General industrial automation systems requiring reliable switching under $\text{AC-3e/AC-3}$ conditions.

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