Siemens SIRIUS 3RT2037-1AL20-1AA0 Power Contactor, AC-3e/AC-3, 65A, 30kW, 230V AC, S2 Size Original Brand New

Overview

The Siemens SIRIUS 3RT2037-1AL20-1AA0 is a high-performance power contactor designed for reliable switching of motors and other resistive loads. As part of the SIRIUS modular system, this size S2 contactor offers exceptional operational efficiency and versatility for a wide range of industrial applications. With a robust design for upright mounting and convenient screw terminals, it ensures a secure and straightforward installation process.

Key Features & Technical Specification

• Product Type: Power Contactor
• Part Number: 3RT2037-1AL20-1AA0
• Series: Siemens SIRIUS 3RT20
• Application: AC-3e/AC-3 for motor switching and general-purpose loads.
• Rated Operational Current: 65 A (at 400 V)
• Rated Power: 30 kW (at 400 V)
• Number of Poles: 3-pole
• Control Voltage: 230 V AC, 50/60 Hz
• Auxiliary Contacts: 1 Normally Open (NO) + 1 Normally Closed (NC)
• Terminal Type: Screw terminals
• Size: S2
• Mounting Position: Upright
• Certification: Meets international standards for safety and quality.

Benefit

• High Performance and Reliability: Engineered for demanding industrial environments, ensuring long-term, stable operation.
• Efficient Energy Management: Optimized design minimizes power loss, contributing to energy savings.
• Versatile Application: Ideal for controlling motors, heating systems, and other industrial machinery.
• Easy and Secure Installation: The upright mounting and screw terminals allow for quick, secure wiring, reducing installation time and effort.
• Modular System Integration: Seamlessly integrates with other Siemens SIRIUS components, offering a flexible and scalable solution for your control systems.
• Enhanced Safety: Includes built-in auxiliary contacts (1 NO + 1 NC) for integration into safety and control circuits.

Function

The Siemens 3RT2037-1AL20-1AA0 serves as an essential component in electrical control panels, acting as a switching device. Its primary functions include:

• Motor Control: Safely and efficiently switching three-phase motors.
• Load Switching: Controlling resistive loads such as heaters and lighting circuits.
• Remote Operation: Allowing for the remote control of high-power circuits via a low-power control signal (230 V AC).
• Interlocking: The auxiliary contacts enable the creation of complex control logic and safety interlocks with other devices.

Application

• Industrial automation and control systems
• Pump and fan control
• HVAC systems
• Conveyor systems
• Material handling equipment
• Manufacturing and production lines

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