Siemens 3MT8250-1AP07 Power Contactor, AC-3, 250A/132kW, 400V, 4NO+4NC, 230 VAC 50Hz, S10 Original Brand New

Overview

The Siemens 3MT8250-1AP07 is a robust and reliable AC-3 power contactor from the renowned Siemens SIRIUS line, designed for demanding industrial motor control application. This high-performance contactor is engineered to deliver exceptional switching capacity and long operational life, making it an ideal choice for machinery and systems requiring efficient and safe power management. With its impressive current rating of 250A and power handling of 132kW at 400V, the 3MT8250-1AP07 is perfectly suited for controlling large industrial motors and resistive loads. Its compact S10 frame size optimizes panel space, while the durable screw terminal ensure secure and easy wiring connection.

Key Features & Specification

• Product Number: Siemens 3MT8250-1AP07
• Type: Power Contactor, AC-3 (for squirrel-cage motors: starting, switching off motors during running)
• Current Rating: 250 Ampere (AC-3)
• Power Rating: 132 kW at 400V (AC-3)
• Voltage Rating: 400 Volt
• Auxiliary Contacts: 4 Normally Open (NO) + 4 Normally Closed (NC) for versatile control circuit integration
• Control Coil Voltage: 230 VAC, 50 Hz
• Poles: 3-pole configuration
• Size: S10 frame size, designed for space efficiency
• Connection Type: Reliable Screw Terminals for secure and straightforward wiring
• Series: Siemens SIRIUS (known for quality and performance)

Benefit

• Exceptional Durability & Reliability: Built to Siemens’ high standard, ensuring long-term performance and minimizing downtime in critical industrial operation.
• High Switching Capacity: Capable of handling substantial current (250A) and power (132kW), making it suitable for heavy-duty motor control.
• Versatile Auxiliary Contacts: The 4NO+4NC configuration provides ample flexibility for interlocking, signaling, and control circuit integration.
• Easy Installation: Screw terminal simplify wiring, reducing installation time and effort.
• Space-Saving Design: The S10 size allows for efficient panel layout and optimization of cabinet space.
• Enhanced Safety: Designed for safe operation in demanding electrical environment.
• Global Compatibility: Operate on 230 VAC, 50 Hz, common in many industrial setting worldwide.

Function

The Siemens 3MT8250-1AP07 contactor serves as a crucial component in electrical control systems, primarily functioning to:

• Switch Power to Motors: Safely and efficiently switch on and off large three-phase AC motor (AC-3 application).
• Control Resistive Load: Manage the power supply to other high-power resistive load in industrial processes.
• Isolate Circuits: Provide electrical isolation for maintenance and safety purpose.
• Integrate into Control Systems: Utilize auxiliary contact for feedback, interlocking with other devices, and complex automation sequences.
• Provide Overload Protection (when combined with a suitable overload relay): Essential for protecting motors from damage due to excessive current.

Application

The Siemens 3MT8250-1AP07 contactor is ideally suited for a wide range of industrial application, including but not limited to:

• Pumps and Pumping Station
• Conveyor System
• HVAC System
• Compressor
• Industrial Fan
• Machine Tool
• Material Handling Equipment
• Manufacturing Automation
• Building Management System
• Power Distribution Panel

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