Siemens 3MT8018-1AF00 Contactor AC-3, 18A/7.5kW,400V, W/O, AC 110V, 50Hz, size S0 Original Brand New

Overview: Siemens 3MT8018-1AF00 Industrial Contactor for Standard Motor Control

The Siemens 3MT8018-1AF00 is a high-quality AC-3 contactor specifically engineered for the reliable and efficient switching of standard motors and other inductive loads in various industrial and commercial applications. This durable 3-pole contactor, sized S0, is an essential component for effective motor control circuits, ensuring stable and safe operation. Designed for 400V main circuits, it can efficiently handle currents up to 18 Amperes and power ratings of 7.5kW. A key feature of this model is its 110V AC control coil, making the 3MT8018-1AF00 an ideal choice for systems utilizing this common control voltage, ensuring seamless integration into diverse control panels.

Key Features & Specification

• Model: Siemens 3MT8018-1AF00
• Contactor Type: AC-3 (optimized for making, breaking, and occasional starting of squirrel-cage motors)
• Rated Current: 18 Amperes (A)
• Rated Power: 7.5 Kilowatts (kW) at 400V
• Rated Operational Voltage (Main Circuit): 400 Volts (V) AC
• Auxiliary Contacts: No integrated auxiliary contacts (as per “W/O” interpretation). If this means something else, please correct.
• Control Coil Voltage: AC 110V (50 Hz) – compatible with widely used control voltages.
• Poles: 3-pole configuration for three-phase motor applications.
• Size: S0 (Standard industrial size for this current range, offering a compact footprint)
• Terminals: Secure screw terminal connections for straightforward and reliable wiring.
• Durability: Manufactured by Siemens, ensuring long service life and high operational reliability even in demanding conditions.

Function & Application

The Siemens 3MT8018-1AF00 Contactor serves as a vital electromagnetic switch, enabling the remote and automated control of power flow to electrical equipment. Its primary function is to safely and efficiently establish or interrupt electrical connections in main power circuits, typically for starting, stopping, and protecting industrial motors, heating elements, and lighting systems. The specific 110V AC control coil allows for easy integration into automated control systems that utilize this voltage, enhancing both operational safety and overall system efficiency.

Common applications for this 18A 400V contactor include:

• Standard motor control in manufacturing facilities and workshops
• Control of smaller pumps, fans, and conveyor systems
• Heating and ventilation equipment control
• General industrial machinery
• Power switching in various commercial and industrial setups where compact and reliable control is needed.

For more our products visit turll.com