Siemens 3MT8009-1AB01G1A Contactor AC-3, 9A/4kW, 400V, 1NO, AC 24V, 50/60Hz, size S00 Original Brand New

Overview: Siemens 3MT8009-1AB01G1A Compact Industrial Contactor

The Siemens 3MT8009-1AB01G1A is a high-quality AC-3 contactor specifically engineered for the reliable and efficient switching of smaller motors and resistive loads in a wide range of industrial and commercial applications. This compact 3-pole contactor, sized S00, is an essential component for streamlined motor control circuits, ensuring stable and safe operation. Designed for 400V main circuits, it efficiently handles currents up to 9 Amperes and power ratings of 4kW. A key advantage of this model is its 24V AC control coil, making the 3MT8009-1AB01G1A an ideal choice for systems utilizing this common low-voltage control signal, ensuring seamless integration into diverse control panels globally. Its small footprint and robust design are perfect for space-constrained applications.

Key Features & Specification

• Model: Siemens 3MT8009-1AB01G1A
• Contactor Type: AC-3 (optimized for making, breaking, and occasional starting of squirrel-cage motors)
• Rated Current: 9 Amperes (A)
• Rated Power: 4 Kilowatts (kW) at 400V
• Rated Operational Voltage (Main Circuit): 400 Volts (V) AC
• Auxiliary Contacts: 1 Normally Open (NO) – for straightforward control circuit integration and status feedback.
• Control Coil Voltage: AC 24V (50/60 Hz) – compatible with common low-voltage control systems.
• Poles: 3-pole configuration for three-phase applications.
• Size: S00 (Smallest industrial size, ideal for compact installations)
• Terminals: Secure screw terminal connections for straightforward and reliable wiring.
• Durability: Manufactured by Siemens, guaranteeing long service life and high operational reliability in demanding environments.

Function & Application

The Siemens 3MT8009-1AB01G1A 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 smaller industrial motors, heating elements, and lighting systems. The specific 24V AC control coil allows for easy integration into automated control systems that utilize this low voltage, enhancing both operational safety and overall system efficiency, especially where operator safety or integration with PLC systems is a priority.

Common applications for this 9A 400V contactor include:

• Control of smaller motors in light manufacturing and processing.
• Switching heating, ventilation, and air conditioning (HVAC) systems.
• Applications in conveyor systems and material handling.
• Control of lighting circuits in commercial and industrial settings.
• Integration into compact control panels and machinery requiring reliable power switching.

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