Siemens 3MT8250-1AL24 Contactor AC-3, 250A/132kW, 400V, 2NO2NC, 230 VAC, 50/60 Hz, 3-pole,size S10 Original Brand New

Overview

The Siemens 3MT8250-1AL24 is a high-performance AC-3 power contactor engineered for demanding industrial applications, specifically designed for controlling squirrel-cage motors and general resistive loads. This robust Siemens contactor stands out with its impressive 250A current rating and capacity to handle up to 132kW at 400V, making it an ideal solution for heavy-duty motor control. Part of the renowned Siemens SIRIUS portfolio, the 3MT8250-1AL24 ensures reliable operation and longevity in various industrial environments.

Key Functions & Features

• Powerful AC-3 Performance: Specifically designed for AC-3 utilization category, ensuring efficient switching of motors during normal operation. This 250A Contactor provides a dependable solution for starting and stopping industrial motors.
• High Power Rating: Capable of controlling motors up to 132kW at 400V, making it suitable for a wide range of high-power industrial machinery and applications.
• Versatile Auxiliary Contacts: Equipped with 2 normally open (2NO) and 2 normally closed (2NC) auxiliary contacts. These 2NO2NC contacts provide essential feedback for control circuits, enabling complex interlocking and signaling functions within your automation system.
• Standard Coil Voltage: Operates with a 230 VAC, 50/60 Hz control coil, ensuring compatibility with standard industrial power supplies and ease of integration into existing control panels.
• Three-Pole Design: A 3-pole contactor configuration allows for the switching of three-phase power, essential for the operation of most industrial motors.
• Compact Size S10: Despite its high power capabilities, the S10 Contactor offers a relatively compact footprint, optimizing panel space without compromising performance.
• Secure Screw Terminals: Features robust screw terminals for main and auxiliary connections, ensuring a secure and reliable electrical connection, critical for high current applications. This method of connection is preferred for its durability and ease of maintenance.
• Built-in Overload Protection Compatibility (Optional): Designed to integrate seamlessly with Siemens thermal overload relays or electronic overload relays for comprehensive motor protection.

Application

The Siemens 3MT8250-1AL24 is ideally suited for:

• Motor control systems in heavy industries (e.g., manufacturing, mining, pulp and paper).
• Switching of large industrial fans, pumps, and compressors.
• Heating, ventilation, and air conditioning (HVAC) systems.
• General purpose resistive load switching.
• Automation and control panels requiring reliable high-current switching.

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