Siemens 3MT8300-1AF04 Contactor AC-3, 300A/160kW, 400V, 2NO2NC, 110 VAC, 50 Hz, 3-pole, size S10 Original Brand New

Overview

The Siemens 3MT8300-1AF04 is a robust and high-performance AC-3 contactor, meticulously engineered for demanding industrial applications requiring reliable power switching. As part of Siemens’ renowned control gear family, this 300A contactor is designed to handle significant electrical loads, making it an ideal choice for motor control and other high-current switching tasks. Its substantial 160kW power rating at 400V underscores its capability for heavy-duty operations. Built to the S10 size, it signifies a larger frame designed for superior durability and thermal management in challenging environments.

Key Functions & Features

• High Current Capacity: Rated for 300A AC-3, this industrial contactor is perfectly suited for controlling large motors and resistive loads, ensuring stable and efficient operation.
• Significant Power Handling: With a 160kW rating at 400V, the 3MT8300-1AF04 provides ample power switching capability for even the most power-intensive machinery.
• Voltage Compatibility: Designed for 110 VAC, 50 Hz control circuit voltage, offering broad compatibility with standard industrial control systems.
• 3-Pole Configuration: The 3-pole contactor design is standard for controlling three-phase electrical systems, providing complete circuit interruption.
• Auxiliary Contacts: Features 2 normally open (NO) and 2 normally closed (NC) auxiliary contacts, providing flexible options for control, interlocking, and signaling within complex electrical circuits.
• Robust Size S10: The Siemens S10 Contactor designation indicates a large and sturdy frame, built for enhanced mechanical and electrical endurance, especially under heavy loads.
• Reliable Screw Terminals: Equipped with secure screw terminals, ensuring reliable and straightforward wiring connections, which are essential for high-current applications.
• AC-3 Utilization Category: Specifically designed for AC-3 applications, which are common for squirrel-cage motors (starting, switching off motors during running), ensuring optimal performance and longevity in these scenarios.

Application

The Siemens 3MT8300-1AF04 contactor is an indispensable component in various industrial settings, including:

• Motor control centers (MCCs)
• Pump stations
• HVAC systems
• Conveyor systems
• Industrial machinery
• Power distribution panels
• Lighting control in large facilities
• Heater circuits and resistive load switching