Siemens SIRIUS 3RT2018-1BA42 Power Contactor 16A, 7.5 kW, 12V DC, 1 NC, Screw Terminal, Size S00 Original Brand New

Overview

The Siemens SIRIUS 3RT2018-1BA42 is a high-performance power contactor designed for reliable switching of motors and other electrical loads. Part of the renowned SIRIUS 3RT2 series, this compact and robust contactor is ideal for use in industrial automation and control applications.

With a rated operational current of 16A at 400V and a power rating of 7.5 kW, it is perfectly suited for a wide range of tasks. Its 12V DC coil ensures efficient and low-power consumption operation, while the included 1 NC auxiliary contact provides additional control and feedback capabilities. The convenient screw terminals make installation and wiring quick and secure.

Key Features

• Product Number: 3RT2018-1BA42
• Rated Operational Current: 16 A (at 400 V AC-3e/AC-3)
• Power Rating: 7.5 kW (at 400 V)
• Poles: 3-pole for three-phase applications
• Coil Voltage: 12 V DC for low power consumption
• Auxiliary Contacts: 1 NC (Normally Closed)
• Terminals: Screw terminals for easy and reliable wiring
• Size: S00, offering a compact footprint for space-saving installations
• Standards: Complies with AC-3e/AC-3 standards for motor control

Benefit

• Reliable Performance: Engineered for durability and long-term, dependable operation in demanding industrial environments.
• Energy Efficient: The 12V DC coil minimizes energy usage, reducing operational costs and heat generation.
• Space-Saving Design: The compact S00 size allows for high-density installations in control cabinets.
• Versatile Application: Suitable for a variety of applications, including motor control, resistive loads, and general switching tasks.
• Easy Installation: Screw terminals simplify the wiring process, saving time and ensuring a secure connection.
• Integrated Functionality: The built-in auxiliary contact provides a direct feedback signal for system status monitoring and interlocking.

Function

The Siemens 3RT2018-1BA42 power contactor is primarily used to switch electrical loads on and off. Its main functions include:

• Motor Control: Starting and stopping three-phase AC motors.
• Load Switching: Controlling the power supply to heaters, lighting, and other resistive or inductive loads.
• Interlocking and Control: The 1 NC auxiliary contact can be used for interlocking circuits or providing a signal to a PLC or control system.
• Remote Operation: The 12V DC coil allows for the contactor to be controlled remotely by low-voltage signals.

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