Siemens 3RT2045-1AD24 SIRIUS Power Contactor S3 Size, 80A, 37kW, 42V AC Coil, 2NO+2NC, Screw Terminal Original Brand New

Overview

The Siemens 3RT2045-1AD24 is a high-performance SIRIUS series power contactor designed for reliable switching of motors and other electrical loads. This robust 3-pole contactor is rated for AC-3e/AC-3 operation, handling up to 80 A and 37 kW at 400 V. Its compact Size S3 design makes it an ideal solution for a wide range of industrial applications, providing both power and space efficiency. The integrated 42 V AC coil ensures safe and efficient operation, while the included 2 NO + 2 NC auxiliary contacts offer enhanced functionality for control and signaling circuits. With secure screw terminals and a removable auxiliary switch, the 3RT2045-1AD24 offers flexibility and ease of installation and maintenance.

Key Features

• High Power Rating: Capable of switching currents up to 80 A for AC-3e/AC-3 applications and controlling motors up to 37 kW at 400 V.
• Efficient Control: Operates with a 42 V AC, 50/60 Hz control coil, providing reliable and low-power switching.
• Versatile Auxiliary Contacts: Features a built-in 2 NO + 2 NC auxiliary switch block, which is also removable, allowing for flexible configuration of control circuits and status monitoring.
• Durable Design: Housed in a compact Size S3 frame, built to withstand demanding industrial environments.
• Secure Connections: Equipped with robust screw terminals for a secure, low-resistance connection, reducing maintenance needs and ensuring system reliability.
• Easy Maintenance: The removable auxiliary switch simplifies troubleshooting and replacement, minimizing downtime.

Benefit

• Enhanced Productivity: Reliable switching performance reduces unexpected system failures and downtime.
• Space-Saving Design: The compact S3 size allows for higher density installations in control panels.
• Increased Safety: Designed to meet high safety standards for motor control applications.
• Cost-Effective: Long operational life and minimal maintenance requirements result in a lower total cost of ownership.
• Flexible Integration: The generous number of auxiliary contacts and screw terminals make it easy to integrate into new or existing control systems.

Function

The Siemens 3RT2045-1AD24 power contactor serves as the primary component for:

• Switching on/off of three-phase motors.
• Control of resistive loads.
• Integration into motor starters, including direct-on-line (DOL) and reversing starters.
• Remote control of electrical circuits in industrial machinery and automation systems.

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