Siemens 3RT2018-1BE82 SIRIUS Power Contactor 16A, 7.5kW, 80V DC Coil, 1 NC Auxiliary Contact, Screw Terminal, Size S00 Original Brand New

Overview

The Siemens 3RT2018-1BE82 is a high-performance SIRIUS power contactor engineered for reliable switching of motors and other industrial loads. This robust 3-pole contactor is rated for AC-3e/AC-3 operation, handling currents up to 16 A and power up to 7.5 kW at 400 V. Its compact S00 size makes it ideal for space-constrained applications. The contactor features a low-power 80 V DC operating coil, an integrated 1 NC auxiliary contact for enhanced functionality, and secure screw terminals for easy and reliable wiring.

Key Features & Benefit

• High-Performance Switching: Reliably switches motor loads up to 7.5 kW (at 400 V) and resistive loads up to 16 A.
• Energy-Efficient Operation: The 80 V DC coil consumes less power, reducing energy costs and heat generation.
• Integrated Auxiliary Contact: The built-in 1 normally closed (NC) auxiliary contact provides a direct feedback signal for control systems, simplifying wiring and reducing component count.
• Compact Design: The S00 size is ultra-compact, saving valuable space in control panels and enclosures.
• Secure & Easy Wiring: Screw terminals ensure a strong, vibration-proof connection for enhanced operational safety and simple installation.
• Long Service Life: The SIRIUS line is renowned for its durability and high switching capacity, ensuring a long operational life with minimal maintenance.
• Versatile Application: Suitable for a wide range of applications including motor control, lighting, heating, and other industrial automation tasks.
• Globally Recognized Quality: As a Siemens SIRIUS product, the 3RT2018-1BE82 guarantees the highest standards of quality, reliability, and safety.

Technical Specification

• Product Number: 3RT2018-1BE82
• Product Type: Power Contactor
• Series: Siemens SIRIUS 3RT2
• Rated Operational Current (AC-3e/AC-3): 16 A
• Rated Power (AC-3e/AC-3): 7.5 kW at 400 V
• Number of Poles: 3-pole
• Coil Voltage: 80 V DC
• Auxiliary Contacts: 1 NC (Normally Closed)
• Terminal Type: Screw Terminal
• Size: S00
• Mounting: Standard DIN rail or screw mounting
• Standards: IEC, UL, CSA

Function

The Siemens 3RT2018-1BE82 functions as an electromagnetically operated switch. When the 80 V DC coil is energized, it generates a magnetic field that pulls the main contacts closed, allowing power to flow to the connected load. Simultaneously, the 1 NC auxiliary contact opens, providing a status signal to the control circuit. When the coil is de-energized, springs force the main contacts open, interrupting the power supply.

Application

• Motor control and starting
• Switching of resistive loads (e.g., heating elements)
• Lighting control systems
• Industrial automation and machinery
• Control panel and switchgear installations

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