Siemens 3RT7035-1AB00 Contactor 40A AC-3, 18.5kW, 24V AC, Size S2 Screw Terminal Original Brand New

Overview

The Siemens 3RT7035-1AB00 is a high-performance 3-pole contactor designed for reliable switching of motors and other electrical loads in industrial environments. Part of the SIRIUS family, this contactor is built to meet demanding AC-3 operational requirements, making it ideal for applications involving squirrel-cage motors. With its compact Size S2 frame and robust screw terminals, it ensures a secure and efficient connection within your control panel.

Key Features & Benefit

• High Performance: Rated for 40A at AC-3, suitable for switching motors up to 18.5kW at 400V, providing robust and reliable operation.
• Energy Efficient: Designed for low power consumption, reducing operational costs and supporting energy-conscious systems.
• Durable Design: The SIRIUS series is known for its long mechanical and electrical service life, minimizing maintenance and downtime.
• Versatile Application: Ideal for a wide range of industrial applications, including motor control, lighting, and heating systems.
• Simple Integration: Compact Size S2 design allows for easy installation in standard control cabinets.
• Secure Connections: Equipped with reliable screw terminals for a tight and durable electrical connection.
• Easy to Extend: Compatible with a full range of accessories from the SIRIUS modular system, including auxiliary contacts, surge suppressors, and overload relays.

Technical Specification

• Product Type: Contactor
• Part Number: 3RT7035-1AB00
• Manufacturer: Siemens
• Number of Poles: 3
• Size: S2
• Rated Operational Current (AC-3): 40A (at 400V)
• Rated Operational Power (AC-3): 18.5kW (at 400V)
• Coil Voltage: 24V AC, 50 Hz
• Terminal Type: Screw Terminal
• Mounting: DIN Rail or screw mounting
• Series: SIRIUS

Function

The primary function of the Siemens 3RT7035-1AB00 contactor is to remotely switch an electrical power circuit. It acts as an electromagnetically operated switch, using a low-voltage 24V AC coil to control a high-current circuit. This is essential for:

• Motor Control: Starting and stopping three-phase motors.
• Load Switching: Controlling power to heating elements, transformers, or lighting systems.
• Safety Interlocking: Integrating into safety circuits to ensure machinery operates only under specific conditions.

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