Siemens 3MT8250-1AH04 Contactor AC-3 250A/132kW 400V 2NO2NC, 48 VAC, 50 Hz 3-pole, Size S10 Original Brand New

Overview

The Siemens 3MT8250-1AH04 is a robust and high-performance 3-pole AC-3 Contactor, meticulously engineered for heavy-duty industrial applications. Designed to handle significant power loads, this contactor is rated for 250 Amperes (AC-3) and a power output of 132 kW at 400 Volts. Its compact yet powerful Size S10 frame ensures efficient space utilization without compromising on reliability. Equipped with a 48 VAC, 50 Hz control coil and featuring 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, the 3MT8250-1AH04 offers versatile control options. The convenient screw terminal connections facilitate straightforward and secure wiring, making it an ideal choice for motor control, power switching, and various industrial automation systems demanding high current handling capabilities.

Function

The Siemens 3MT8250-1AH04 Contactor serves as an electrically controlled switch used for switching a power circuit, similar to a relay but with higher current ratings. When the 48 VAC, 50 Hz control coil is energized, it generates a magnetic field that pulls the main contacts into the closed position, allowing current to flow through the 3-phase power circuit. Conversely, de-energizing the coil opens the contacts, interrupting the power flow. The integrated 2NO+2NC auxiliary contacts provide additional control signals for interlocking, signaling, or controlling other devices within a control circuit. Its AC-3 rating makes it suitable for switching squirrel-cage motors where breaking occurs while the motor is running.

Key Features

• High Current Rating: 250 Amperes (AC-3) for robust power switching.
• High Power Capacity: Handles up to 132 kW at 400 Volts, suitable for large motor loads.
• 3-Pole Configuration: Ideal for controlling three-phase electrical circuits.
• Versatile Auxiliary Contacts: Includes 2 Normally Open (NO) and 2 Normally Closed (NC) contacts for flexible control circuit integration.
• Coil Voltage: Operates with a 48 VAC, 50 Hz control voltage, common in many industrial setup.
• Size S10: Compact and efficient design for space-saving installations in control panel.
• Screw Terminals: Ensures secure, reliable, and easy wiring connection.
• Durability: Engineered by Siemens for long-lasting performance in demanding industrial environment.
• Safety Standards: Designed to meet relevant industry safety and performance standard.

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