Siemens 3MT8205-1AQ04 Contactor AC-3, 205A/110kW,400V, 2NO2NC, 380 VAC, 50 Hz, 3-pole, size S8 Original Brand New

Overview: Siemens 3MT8205-1AQ04 Heavy-Duty Industrial Contactor

The Siemens 3MT8205-1AQ04 is an exceptionally powerful AC-3 contactor, meticulously engineered for controlling large motors and high-current inductive loads in the most demanding industrial environments. This robust 3-pole contactor, specifically sized S8, represents a critical component in advanced automation and power distribution systems. Designed to operate with a 400V main circuit, it boasts an impressive current rating of 205 Amperes and handles power up to 110kW, ensuring seamless and reliable operation for heavy machinery. The 3MT8205-1AQ04 is built for supreme durability and operational stability, making it an ideal choice for new large-scale installations and significant system upgrades in Indonesia and beyond.

Key Features & Specification

• Model: Siemens 3MT8205-1AQ04
• Contactor Type: AC-3 (optimized for switching squirrel-cage motors: making, breaking, and occasional starting)
• Rated Current: 205 Amperes (A)
• Rated Power: 110 Kilowatts (kW) at 400V
• Rated Operational Voltage (Main Circuit): 400 Volts (V) AC
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC) for extensive control circuit flexibility, interlocking, and status feedback.
• Control Coil Voltage: 380 VAC (50 Hz) – compatible with common industrial control voltages in many regions.
• Poles: 3-pole configuration, ideal for three-phase motor applications.
• Size: S8 (One of the larger industrial sizes, indicating high power handling capacity)
• Terminals: Robust screw terminal connections for secure and high-current wiring.
• Construction: Siemens’ renowned build quality ensures extreme reliability and long service life under rigorous conditions.

Function & Application

The Siemens 3MT8205-1AQ04 Contactor functions as an indispensable electromagnetic switch, enabling the remote and automatic control of high-power electrical circuits. Its primary role is to safely and efficiently establish or interrupt the flow of electrical current to large industrial motors, significant heating elements, and other heavy-duty loads. The 380 VAC control coil facilitates integration into sophisticated control systems, significantly enhancing operational safety and efficiency in complex industrial processes.

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