Siemens 3MT8300-1AC24 Contactor AC-3, 300A/160kW, 400V, 2NO2NC, 24 VAC, 50/60 Hz, 3-pole, size S10 Original Brand New

Overview: Siemens 3MT8300-1AC24 Extreme-Duty Industrial Contactor

The Siemens 3MT8300-1AC24 stands as a pinnacle of industrial power control: an exceptionally robust AC-3 contactor specifically engineered for the most demanding switching tasks involving very large motors and high-current inductive loads. This heavy-duty 3-pole contactor, sized S10, is an indispensable component for critical power distribution and advanced automation systems. Designed to operate flawlessly with a 400V main circuit, it commands an impressive current rating of 300 Amperes and can manage power up to 160kW, ensuring unparalleled reliability and operational stability for the most significant industrial machinery. With its formidable construction and precision engineering, the 3MT8300-1AC24 is the definitive choice for new high-power installations and critical infrastructure upgrades, offering superior long-term performance for businesses across Indonesia.

Key Features & Specifications:

• Model: Siemens 3MT8300-1AC24
• Contactor Type: AC-3 (specifically designed for reliable making, breaking, and occasional starting of squirrel-cage motors)
• Rated Current: 300 Amperes (A) – for very high-current applications.
• Rated Power: 160 Kilowatts (kW) at 400V – for extremely powerful motor loads.
• Rated Operational Voltage (Main Circuit): 400 Volts (V) AC
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC) – providing extensive flexibility for complex control, interlocking, and status indication.
• Control Coil Voltage: 24 VAC (50/60 Hz) – a safe and common low-voltage control signal, ideal for intricate automation setups.
• Poles: 3-pole configuration, essential for three-phase motor control.
• Size: S10 (One of the largest industrial sizes, indicating maximum power handling capacity)
• Terminals: Heavy-duty screw terminal connections, ensuring secure and robust wiring for high currents.
• Construction: Manufactured with Siemens’ uncompromising commitment to quality, guaranteeing extreme durability and extended operational life in the harshest environments.

Function & Application

The Siemens 3MT8300-1AC24 Contactor functions as a vital electromagnetic switch, enabling precise remote and automated control over massive electrical circuits. Its core purpose is to safely and efficiently establish or interrupt the flow of power to the largest industrial motors, high-capacity heating elements, and other critical, heavy-duty equipment. The 24 VAC control coil allows for highly sensitive and reliable integration into modern industrial control systems, significantly enhancing operational safety, efficiency, and automation capabilities.

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