Siemens 3MT8080-1AQ03 Contactor 80A/37kW, 400V, 380 VAC 50Hz Coil, S3 Original Brand New

Overview

The Siemens 3MT8080-1AQ03 Contactor is a high-performance, robust solution engineered for reliable control of electrical loads in diverse industrial applications. Designed for AC-3 utilization, this powerful 80A/37kW, 400V contactor ensures precise and safe switching of medium to large electric motors and other significant inductive loads. Featuring a specialized 380 VAC, 50 Hz coil and a substantial size S3, the Siemens 3MT8080-1AQ03 is an indispensable component for critical industrial control circuits, offering exceptional performance, durability, and a long operational life.

Key Features

• High Current & Power Capacity: Rated for a significant 80A (AC-3) and capable of handling up to 37kW at 400V, making it perfectly suited for demanding industrial motor control and higher-power electrical circuits.
• Specific Coil Voltage for 50Hz Systems: Equipped with a 380 VAC, 50 Hz coil, making it ideal for systems operating on this common industrial voltage and frequency standard, ensuring optimal performance and compatibility.
• Integrated Auxiliary Contacts: Features 1 normally open (1NO) and 1 normally closed (1NC) auxiliary contacts, providing essential flexibility for basic interlocking, signaling, and feedback within control circuits.
• Robust 3-Pole Design: Ensures secure and efficient switching of three-phase power, critical for the dependable operation of industrial machinery.
• Optimized Size S3: The size S3 frame provides excellent balance between compact design and robust performance, suitable for various industrial control panel configurations.
• Reliable Screw Terminals: Provides highly secure, low-resistance, and straightforward screw terminal connections, essential for high-current applications where secure contacts are paramount.
• Siemens Global Quality: Manufactured by Siemens, guaranteeing a high standard of engineering, proven reliability, and extended operational life even in challenging industrial environments.

Function & Application

The primary function of the Siemens 3MT8080-1AQ03 Contactor is to safely and effectively control medium to high-power electrical circuits. Its robust 3-pole configuration makes it an excellent choice for direct-on-line (DOL) starting and stopping of three-phase induction motors up to 37kW, as well as managing other significant resistive or inductive loads within industrial systems. The integrated 1NO1NC auxiliary contacts facilitate essential control logic, enabling simple feedback to PLCs (Programmable Logic Controllers), basic interlocking with other safety devices, or operational status indication. This industrial motor contactor is widely used in applications such as:

• Medium-sized motor control centers (MCCs)
• Pumping and ventilation systems
• Heating and lighting circuits in factories and commercial buildings
• Conveyor belt systems and material handling equipment
• Machine tools and general industrial machinery
• Power factor correction panels where specific coil voltages are required
• Applications demanding a reliable 380 VAC 50 Hz control circuit

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