Siemens 3RT2037-3SP30 Power Contactor SIRIUS S2, 65A, 30kW, 1 NC Aux, Screw/Spring Terminals, F-PLC-IN Original Brand New

Overview

The Siemens 3RT2037-3SP30 is a high-performance SIRIUS series power contactor designed for reliable switching of motors and other industrial loads. As a key component in a robust electrical control system, this size S2 contactor is engineered for demanding applications. It features a versatile 175-280 V AC/DC control voltage, making it suitable for a wide range of power systems.

The integrated varistor provides surge protection, enhancing the longevity of both the contactor and connected equipment. With a rated current of 65 A and power rating of 30 kW at 400 V, it is an ideal choice for a variety of industrial motor control applications.

Key Benefit

• High Performance and Reliability: Part of the trusted Siemens SIRIUS family, ensuring consistent and dependable operation in industrial environments.
• Versatile Control Voltage: The wide 175-280 V AC/DC control voltage range simplifies integration into various control schemes and international installations.
• Enhanced Protection: An integrated varistor protects the coil against voltage spikes, extending the lifespan of the contactor.
• Flexible and Secure Connections: The combination of screw terminals for the main circuit and spring-loaded terminals for the control and auxiliary circuits offers both robust power connections and quick, vibration-proof wiring for control signals.
• F-PLC-IN Ready: Designed for seamless integration with failsafe PLC systems, enhancing safety and control in automated processes.

Function

• Motor Control: Serves as a primary component for switching and controlling three-phase motors up to 30 kW.
• Load Switching: Efficiently switches high-current resistive and inductive loads (AC-3e/AC-3).
• Safety Integration: The F-PLC-IN feature allows for direct connection to failsafe PLCs for emergency stop and safety-related functions.
• Auxiliary Signaling: The integrated 1 NC (Normally Closed) auxiliary contact provides feedback on the contactor’s status for interlocking or signaling purposes.

Technical Specification

• Product Type: Power Contactor
• Product Number: 3RT2037-3SP30
• Series: SIRIUS 3RT2
• Size: S2
• Rated Current (AC-3e/AC-3): 65 A
• Rated Power (AC-3e/AC-3): 30 kW @ 400 V
• Control Voltage: 175-280 V AC/DC, 50/60 Hz
• Auxiliary Contacts: 1 NC
• Main Circuit Connection: Screw Terminals
• Control/Auxiliary Circuit Connection: Spring-Loaded Terminals
• Special Features: Integrated Varistor, F-PLC-IN
• Number of Poles: 3-pole

Application

• Industrial Motor Control Systems
• HVAC Systems
• Pump Control
• Conveyor Systems
• Automated Machinery
• General Industrial Load Switching

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