Siemens 3RT2037-3AN20 SIRIUS Power Contactor AC-3e/AC-3, 65A, 30kW, 220V AC, S2 Size Original Brand New

Overview

The Siemens 3RT2037-3AN20 is a high-performance power contactor from the renowned SIRIUS series, designed for reliable switching of motors and other electrical loads. This robust 3-pole contactor is engineered for AC-3e/AC-3 applications, handling a substantial rated current of 65 A at 400 V, and a power rating of 30 kW. The S2 size ensures a compact yet powerful solution for various industrial and commercial environments.

It features a 220 V AC, 50/60 Hz coil, and comes equipped with a versatile combination of one normally open (1 NO) and one normally closed (1 NC) auxiliary contact for enhanced control and monitoring. The main circuit utilizes durable screw terminals, while the control and auxiliary circuits are equipped with convenient spring-loaded terminals, making installation and wiring quick and secure.

Key Benefit

• High Performance and Reliability: Rated for demanding AC-3e/AC-3 applications with a 65 A current and 30 kW power rating, ensuring stable operation for heavy-duty loads.
• Space-Saving Design: The compact S2 size allows for efficient panel space utilization, ideal for systems with limited room.
• Flexible Connectivity: Combines the strength of screw terminals for the main circuit with the speed and security of spring-loaded terminals for control and auxiliary circuits, reducing wiring time and potential errors.
• Versatile Control: The integrated 1 NO + 1 NC auxiliary contacts provide flexibility for signaling, interlocking, and other control functions within your system.
• Global Standard Compliance: A part of the trusted Siemens SIRIUS family, this contactor meets international standards for quality and safety.

Function & Features

• Product Type: Power Contactor
• Series: Siemens SIRIUS 3RT2
• Product Number: 3RT2037-3AN20
• Rated Operating Current: 65 A (at 400 V)
• Rated Operating Power: 30 kW (at 400 V)
• Number of Poles: 3-pole
• Application: AC-3e/AC-3 (Motor Switching)
• Control Supply Voltage: 220 V AC, 50/60 Hz
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Main Circuit Connection: Screw Terminals
• Control/Auxiliary Circuit Connection: Spring-Loaded Terminals
• Size: S2
• Mounting: Standard DIN rail or screw mounting
• Durability: High mechanical and electrical service life

Application

The Siemens 3RT2037-3AN20 is an ideal component for a wide range of industrial applications, including:

• Motor control and switching
• Pumps and compressors
• Heating, ventilation, and air conditioning (HVAC) systems
• Conveyor belts and material handling
• Industrial machinery and automation
• Power distribution and control panels

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