Siemens 3RT2018-1AH02 Power Contactor 16A, 7.5kW, 48V AC, 1NC Auxiliary, Size S00 Original Brand New

Overview

The Siemens SIRIUS 3RT2018-1AH02 is a high-performance, 3-pole power contactor designed for robust and reliable switching of motors and other electrical loads. As part of the SIRIUS 3RT2 family, this contactor is engineered for demanding industrial applications, offering exceptional longevity and operational efficiency. With its compact Size S00 form factor, it is an ideal solution for control panels where space is a premium. The integrated 1 NC auxiliary contact provides essential feedback for control circuits, while the secure screw terminals ensure a reliable and durable connection.

Key Features & Technical Specification

• Product Number: 3RT2018-1AH02
• Product Type: Power Contactor
• Rated Operational Current (AC-3e/AC-3): 16 A
• Rated Power: 7.5 kW at 400 V
• Number of Poles: 3-pole
• Control Supply Voltage: 48 V AC, 50/60 Hz
• Auxiliary Contacts: 1 normally closed (NC)
• Termination Type: Screw Terminal
• Frame Size: S00
• Operational Longevity: High mechanical and electrical endurance for long-lasting performance.
• Standards: Complies with international standards such as IEC 60947, UL, and CSA.

Benefit

• High Performance: Optimized for switching motor loads up to 7.5 kW, ensuring smooth and reliable operation.
• Space-Saving Design: The compact S00 size allows for high-density installations in control cabinets, freeing up valuable space.
• Enhanced Safety: Built-in 1 NC auxiliary contact provides a critical signal for safety and control interlocking circuits.
• Easy Installation: Screw terminals offer a simple and secure method for wiring, reducing installation time and effort.
• Durable and Reliable: Engineered with high-quality materials to withstand harsh industrial environments, reducing maintenance and downtime.
• Global Compatibility: Designed to meet a wide range of international standards, making it suitable for global applications.

Function

The Siemens 3RT2018-1AH02 power contactor is primarily used for the following functions:

• Motor Control: Starting and stopping of 3-phase AC motors.
• Load Switching: Switching of other AC loads such as heating elements, lighting, and transformers.
• Control System Integration: The auxiliary contact allows for integration into complex control systems, providing status feedback to a PLC or relay.
• Main Contact: The 3 main poles are responsible for carrying the high current load.
• Coil Control: The 48 V AC coil energizes the contactor, causing the main contacts to close.

Application

This contactor is ideal for a wide range of industrial and commercial applications, including:

• Machine tools
• Conveyor systems
• Pumps and compressors
• HVAC systems
• Automated manufacturing lines
• Industrial control panels

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