Siemens SIRIUS 3RT2038-1NE30 Power Contactor 80A, 3-Pole, AC-3e/AC-3, Size S2 Original Brand New

Overview: Siemens SIRIUS 3RT2038-1NE30 Power Contactor

The Siemens SIRIUS 3RT2038-1NE30 is a high-performance power contactor designed for reliable switching of motors and other electrical loads. As part of the globally recognized SIRIUS modular system, this device offers exceptional reliability, safety, and a compact design, making it an essential component for modern industrial automation. With a rated operational current of 80 A and a power rating of 37 kW at 400 V, it is perfectly suited for demanding applications where efficiency and robustness are paramount.

This contactor is compliant with both AC-3e and AC-3 categories, ensuring it meets the latest standards for motor switching. Its versatile control voltage range of 48-80 V AC/DC simplifies installation and stock management, while the integrated varistor protects against voltage spikes, extending the lifespan of both the contactor and the controlled equipment.

Key Features & Specification

• Product Number: Siemens 3RT2038-1NE30
• Contactor Type: Power Contactor
• Rated Operational Current: 80 A (at AC-3e/AC-3, 400 V)
• Operational Power: 37 kW (at 400 V)
• Number of Poles: 3-pole
• Control Voltage: 48-80 V AC/DC, 50/60 Hz
• Integrated Protection: Integrated varistor for surge suppression
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Connection Type: Screw terminals for secure and easy wiring
• Size: S2 (Compact and space-saving design)
• Product Line: Siemens SIRIUS 3RT2 series

Benefit

• Enhanced Safety and Reliability: The integrated varistor provides superior protection against coil voltage surges, preventing damage and ensuring reliable operation.
• Versatile Application: Suitable for a wide range of motor control applications, including pumps, fans, conveyors, and general industrial machinery.
• Simplified Installation: The wide-range AC/DC control voltage and user-friendly screw terminals make wiring and setup quick and straightforward.
• Space-Saving Design: The compact S2 size allows for higher density mounting in control panels, optimizing valuable cabinet space.
• Long Service Life: Built with high-quality materials and engineering precision, this contactor offers long-term durability and minimal maintenance.
• Global Standard Compliance: Adherence to AC-3e/AC-3 standards ensures compatibility and performance recognized worldwide.

Function

The Siemens 3RT2038-1NE30 power contactor serves as an electromechanical switch that controls the flow of electrical power to a load, such as an electric motor. When the control coil is energized by the 48-80 V AC/DC voltage, the main contacts close, allowing power to flow to the motor.

The auxiliary contacts (1 NO + 1 NC) provide feedback to the control system, indicating the status of the main contacts (e.g., whether the motor is on or off), which is crucial for interlocking and safety circuits. The integrated varistor absorbs and dissipates excess energy from the coil when it is de-energized, protecting the control circuitry from damaging voltage spikes.

Application

• Industrial motor control
• Pump control systems
• Heating, ventilation, and air conditioning (HVAC) systems
• Conveyor systems
• Lighting control
• Power distribution circuits

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