Overview
The Siemens 3RT2018-1AQ02 is a high-performance SIRIUS 3RT2 series power contactor designed for reliable and efficient switching of electrical loads. This 3-pole contactor is engineered for use in AC-3e/AC-3 applications, making it ideal for controlling motors up to 7.5 kW at 400 V.
With a compact Size S00 form factor, it offers a space-saving solution without compromising on robust performance. Featuring a 380 V AC control voltage (50/60 Hz) and a single normally closed (1 NC) auxiliary contact, this model provides essential functionality for a wide range of industrial and commercial applications. The secure screw terminals ensure a reliable and easy connection.
Key Features & Benefit
- High Performance: Rated for AC-3e/AC-3 applications with a 16 A current rating and a motor power rating of 7.5 kW at 400 V, ensuring robust control for demanding tasks.
- Reliable Operation: Part of the trusted Siemens SIRIUS 3RT2 series, known for its long service life and high switching durability.
- Space-Saving Design: The compact Size S00 footprint allows for efficient use of panel space, making it perfect for installations with limited room.
- Versatile Functionality: Features a 3-pole configuration for controlling 3-phase loads and includes a built-in 1 NC auxiliary contact for additional control circuit integration.
- Easy Installation: Equipped with screw terminals for straightforward, secure wiring, reducing installation time and effort.
- Global Compatibility: Operates on a standard 380 V AC control voltage at 50/60 Hz, suitable for a wide range of global electrical systems.
Function
- Motor Control: Safely and reliably switches three-phase motors.
- Load Switching: Used for switching resistive loads, lighting, and other non-motor loads.
- Control Circuit Integration: The integrated 1 NC auxiliary contact allows for feedback to control systems, interlocks, or signaling circuits.
- Safety Disconnection: Can be used as a primary switching device for emergency stops or circuit isolation when paired with appropriate protective devices.
Technical Specification
- Product Number: 3RT2018-1AQ02
- Product Series: SIRIUS 3RT2
- Contactor Type: Power Contactor
- Poles: 3-pole
- Rated Current (AC-3e/AC-3): 16 A
- Rated Power (AC-3e/AC-3): 7.5 kW at 400 V
- Control Voltage: 380 V AC, 50/60 Hz
- Auxiliary Contacts: 1 NC (Normally Closed)
- Termination Type: Screw Terminal
- Size: S00
Application
- Industrial automation and control panels
- HVAC systems
- Pumps and compressors
- Conveyor systems
- Machine tools
- General motor control circuits
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