Siemens 3RT2035-1AU00 SIRIUS 3RT2 Power Contactor, 41A, 18.5kW, 400V, 3-Pole, 240V AC Coil, S2 Size, 1 NO + 1 NC, Screw Terminal Original Brand New

Overview

The Siemens 3RT2035-1AU00 is a high-performance, 3-pole power contactor from the globally recognized SIRIUS 3RT2 series. Specifically designed for switching motors and industrial loads, this robust component offers reliable operation and high power density in a compact Size S2 frame. It features an integrated $240\text{ V AC},50\text{ Hz}$ coil and comes standard with $1\text{ NO}+1\text{ NC}$ auxiliary contacts for signaling and control circuit integration, making it a versatile choice for motor control applications.

Key Specification

• Product Number: 3RT2035-1AU00
• Manufacturer: Siemens
• Series: SIRIUS 3RT2
• Pole Configuration: 3-pole
• Rated Operational Current (Ie) (AC-3e/AC-3, 400 V): $41\text{ A}$
• Rated Power (P) (AC-3e/AC-3, 400 V): $18.5\text{ kW}$
• Coil Control Voltage (Uc): $240\text{ V AC}$ (at $50\text{ Hz}$)
• Auxiliary Contacts: Integrated $1\text{ Normally Open (NO)}+1\text{ Normally Closed (NC)}$
• Terminal Type: Screw Terminal
• Size: S2
• Standard: AC-3e/AC-3

Benefit

• Reliable Motor Control: Rated for $41\text{ A}$ and up to $18.5\text{ kW}$ at $400\text{ V}$, providing dependable switching for demanding three-phase motor applications.
• Space-Saving Design: The S2 size of the SIRIUS 3RT2 generation ensures a compact footprint within control cabinets.
• Easy Integration: The $240\text{ V AC}$ control voltage and integrated $1\text{ NO}+1\text{ NC}$ auxiliary contacts simplify wiring into standard industrial control systems.
• Secure Connection: Reliable screw terminals ensure robust and secure electrical connections for main and auxiliary circuits.
• Global Standard: A genuine Siemens component, adhering to international standards for quality and performance.

Function / Application

The Siemens 3RT2035-1AU00 power contactor is primarily used for switching three-phase AC motors and other resistive or inductive loads in industrial environments. Its main function is to remotely and safely turn high-current electrical loads on and off, typically in conjunction with a motor protection circuit breaker or overload relay (such as the SIRIUS 3RV2 or 3RB3 series) to form a complete motor starter. It is essential for control panels, machinery, and automation systems requiring reliable contactor functionality.

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