Siemens SIRIUS 3RT7025-1AF00 Contactor, 18A, 7.5kW, AC-3, 110V AC Coil, Size S0, Screw Terminals Original Brand New

Overview: Siemens 3RT7025-1AF00 Contactor

The Siemens 3RT7025-1AF00 is a high-performance power contactor from the SIRIUS 3RT series, designed for the switching of motors and other industrial loads. This robust component is a cornerstone of reliable motor control systems, offering a perfect blend of power, safety, and ease of use. It's engineered to meet the demands of a wide range of applications, from simple motor control to complex automated systems.

Key Features & Technical Specification

• Product Number: 3RT7025-1AF00
• Contactor Type: Power Contactor
• Series: Siemens SIRIUS 3RT
• AC-3 Rating (400V): 18 A
• Motor Power Rating (400V): 7.5 kW
• Coil Voltage: 110 V AC, 50 Hz
• Size: S0 (compact design)
• Connections: Screw terminals for main and auxiliary circuits
• Auxiliary Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)
• Installation: DIN rail mounting or screw mounting
• Operational Durability: High mechanical and electrical service life

Benefit

• Robust & Reliable: Built with high-quality materials and proven Siemens engineering, ensuring long-term performance and minimal downtime.
• Compact Design: The Size S0 form factor saves valuable space within control cabinets, allowing for more efficient panel layouts.
• Easy to Install: Standard screw terminals simplify wiring and installation, reducing labor time and potential for errors.
• Versatile Application: Ideal for controlling a wide range of motor applications, including pumps, fans, compressors, and conveyors.
• Global Standard: As part of the Siemens SIRIUS family, this contactor is a globally recognized and trusted component in industrial automation.
• Optimized for Motor Loads: The AC-3 rating is specifically designed for switching squirrel-cage motors, providing excellent switching capacity and protection.

Function

The Siemens 3RT7025-1AF00 contactor's primary function is to act as an electromagnetically operated switch. When the 110V AC control coil is energized, it closes the main power contacts, allowing current to flow to the connected motor. When the coil is de-energized, a spring mechanism opens the contacts, interrupting the power and stopping the motor. This functionality is crucial for safe and controlled start/stop operations of industrial machinery.

Application

• Motor control for pumps, fans, and compressors
• HVAC systems
• Conveyor systems
• Machine tools and manufacturing equipment
• Material handling
• Industrial automation and control panels

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