Siemens 3MT8205-1AH07 Contactor AC-3 205A/110kW 400V 4NO4NC, 48 VAC, 50 Hz 3-pole, Size S8 Original Brand New

Overview: Siemens 3MT8205-1AH07 High-Capacity Industrial Contactor

The Siemens 3MT8205-1AH07 is a high-capacity AC-3 contactor specifically engineered for the reliable and efficient switching of very large motors and high-current inductive loads in the most demanding industrial environments. This exceptionally robust 3-pole contactor, designated size S8, serves as a cornerstone component in advanced power control and automation systems. Designed for 400V main circuits, it confidently handles substantial currents up to 205 Amperes and impressive power ratings of 110kW, ensuring seamless and stable operation for critical, heavy machinery. With its durable construction and comprehensive auxiliary contact configuration, the 3MT8205-1AH07 is an ideal choice for new large-scale installations or significant system upgrades, offering unmatched reliability for industrial operations across Indonesia.

Key Features & Specification

• Model: Siemens 3MT8205-1AH07
• Contactor Type: AC-3 (optimized for making, breaking, and occasional starting of squirrel-cage motors)
• Rated Current: 205 Amperes (A)
• Rated Power: 110 Kilowatts (kW) at 400V
• Rated Operational Voltage (Main Circuit): 400 Volts (V) AC
• Auxiliary Contacts: 4 Normally Open (NO) + 4 Normally Closed (NC) – providing extensive flexibility for complex control circuits, interlocking, and comprehensive status feedback.
• Control Coil Voltage: 48 VAC (50 Hz) – a common and versatile control voltage for industrial systems, ensuring broad compatibility.
• Poles: 3-pole configuration, ideal for controlling three-phase motors.
• Size: S8 (Indicates a large, heavy-duty industrial contactor designed for high power applications).
• Terminals: Robust screw terminal connections for secure, high-current wiring, ensuring maximum reliability and ease of installation.
• Construction: Manufactured by Siemens, guaranteeing exceptional quality, extended service life, and high operational reliability even under severe industrial conditions.

Function & Application

The Siemens 3MT8205-1AH07 Contactor operates as a critical electromagnetic switch, enabling precise remote and automated control over high-power electrical circuits. Its primary function is to safely and efficiently establish or interrupt the flow of electrical current to very large industrial motors, substantial resistive loads, and other heavy-duty equipment. The 48 VAC control coil facilitates easy and efficient integration into automated control systems, significantly enhancing both operational safety and overall system efficiency in complex industrial processes.

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