Siemens 3RT2018-1AD01 SIRIUS Power Contactor, 16A, 7.5 kW, 42V AC, Screw Terminal, Size S00 Original Brand New

Overview: Siemens 3RT2018-1AD01 Power Contactor

The Siemens 3RT2018-1AD01 is a high-performance SIRIUS series power contactor designed for industrial control applications. As a key component in a motor control circuit, this 3-pole contactor is engineered to switch motors and other resistive loads with exceptional reliability. With a robust design and a compact Size S00 form factor, it’s ideal for installations where space is a premium. The contactor is rated for an operational current of 16 A and a power output of up to 7.5 kW at 400 V, making it suitable for a wide range of machinery and equipment.

Key Features & Benefit

• High Performance: Optimized for AC-3e/AC-3 applications, ensuring reliable switching of squirrel-cage motors.
• Compact Design: The Size S00 footprint allows for significant space savings in control cabinets and enclosures.
• Energy Efficient: The 42 V AC coil operates at 50/60 Hz, minimizing energy consumption and heat generation.
• Integrated Auxiliary Contacts: Features a built-in 1 NO (Normally Open) auxiliary contact, simplifying wiring and reducing the need for external components.
• Secure & Reliable Connections: Equipped with robust screw terminals for a strong and durable electrical connection, ensuring long-term operational stability.
• Versatile Application: Ideal for controlling motors, lighting systems, heating units, and other industrial loads.
• Compliance: Fully compliant with international standards, including IEC 60947, guaranteeing safety and reliability.

Function & Application

The Siemens 3RT2018-1AD01 functions as an electromechanical switch. When its 42 V AC control coil is energized, it closes the main power contacts, allowing current to flow to the connected load. This is a fundamental component in motor starter circuits, used in conjunction with a circuit breaker or overload relay to protect and control electric motors. Its applications span various industries, including:

• Industrial Automation: Machine tools, conveyor systems, and robotics.
• HVAC: Pumps, fans, and compressors.
• Building Automation: Lifts, elevators, and access control systems.
• Process Control: Mixing machines, agitators, and industrial heaters.

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