Siemens 3MT8250-1AB07 Power Contactor AC-3, 250A, 132kW, 400V, 24VAC Coil, S10 Size Original Brand New

Overview

The Siemens 3MT8250-1AB07 is a robust and high-performance AC-3 power contactor, engineered for reliable switching of resistive and inductive loads in demanding industrial applications. As a core component in motor control and power distribution systems, this 3-pole contactor is designed to handle significant power, offering exceptional durability and operational stability. Its compact S10 size and convenient screw terminals make it a versatile choice for a wide range of electrical installation.

Function

The Siemens 3MT8250-1AB07 contactor serves as an electrically operated switch for controlling an electric power circuit. Specifically, its primary function is to:

• Switch Motor Loads: Efficiently start, stop, and reverse 3-phase AC motors up to 132kW at 400V.
• Control Resistive Loads: Manage the switching of heating elements, lighting systems, and other resistive loads.
• Provide Remote Control: Allows for remote activation and deactivation of high-power circuits using a low-power 24VAC control signal.
• Integrate into Control Systems: The 4NO+4NC auxiliary contacts provide feedback and control signals to PLCs, relays, and other automation devices, enabling complex control logic and interlocking.

Benefit

• High Performance & Reliability: Built with Siemens’ renowned quality, ensuring long-term stable operation and minimal downtime.
• Powerful Switching Capability: Handles large currents and power ratings (250A, 132kW), suitable for heavy-duty industrial machinery.
• Versatile Auxiliary Contacts: The generous 4NO+4NC configuration offers extensive flexibility for interlocking, signaling, and control circuit integration.
• Easy Installation: Screw terminals provide a secure and straightforward connection, simplifying wiring processes.
• Space-Saving Design: Despite its high power rating, the S10 size is optimized for efficient use of panel space.
• Enhanced Safety: Provides a safe method for controlling high-voltage circuits from a low-voltage control source.
• Global Compatibility: Designed for common industrial voltage and frequency standards (400V, 50Hz).

Application

• Industrial Motor Control (e.g., pump, fan, conveyor, compressor)
• HVAC System
• Lighting Control System (especially high-power)
• Heating System
• Power Distribution Board
• Automation and Machine Building
• Renewable Energy System (e.g., solar inverter)

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