Siemens 3RT7025-1AV00 Contactor AC-3, 18A, 7.5kW (400V), Size S0, Screw Terminal Original Brand New

Overview

The Siemens 3RT7025-1AV00 is a high-performance SIRIUS series contactor designed for efficient and reliable switching of three-phase AC motors. As a key component in industrial control systems, this contactor is engineered for AC-3 applications, handling the demands of standard motor operation with precision. With a rated current of 18A and a power rating of 7.5 kW at 400V, the 3RT7025-1AV00 is suitable for a wide range of industrial machinery and automation tasks. Its compact Size S0 design ensures space efficiency within control panels, while robust screw terminals provide a secure and reliable electrical connection.

Key Features

• AC-3 Application: Optimized for switching motors with a high starting current, ideal for a wide range of industrial applications including conveyors, pumps, and fans.
• High Performance: Rated at 18A with a 7.5 kW power rating at 400V, ensuring reliable operation for medium-power motors.
• Compact Design: Size S0 form factor saves valuable space in control cabinets and panels.
• Secure Connections: Features reliable screw terminals for easy and secure wiring, minimizing installation time and maintenance.
• Standardized Compatibility: Part of the Siemens SIRIUS modular system, ensuring seamless integration with other Siemens control products like overload relays and circuit breakers.
• Durability: Built to withstand demanding industrial environments with a high mechanical and electrical service life.

Technical Specification

• Product Type: Contactor
• Series: Siemens SIRIUS 3RT
• Part Number: 3RT7025-1AV00
• Application: AC-3
• Rated Operating Current (AC-3): 18 A at 400 V
• Rated Power (AC-3): 7.5 kW at 400 V
• Operating Voltage: 400 V
• Control Supply Voltage: 400 V AC, 50 Hz (W/O – without auxiliary switch block)
• Size: S0
• Connection Type: Screw terminals
• Mounting: DIN rail or screw mounting
• Compliance: IEC/EN standards

Benefit

• Reliability: Engineered by Siemens, a leader in industrial automation, for consistent and long-lasting performance.
• Efficiency: Designed for optimal energy use and minimal heat generation.
• Ease of Installation: Screw terminals and a compact design simplify the wiring and mounting process.
• Enhanced Safety: Provides a secure and isolated connection for motor control, protecting equipment and personnel.
• Cost-Effective: A durable and long-lasting component that reduces the need for frequent replacements and maintenance.
• Seamless Integration: Fully compatible with other SIRIUS components, making it easy to design or upgrade a complete control system.

Function

The Siemens 3RT7025-1AV00 functions as an electromagnetically operated switching device. When the 400V, 50Hz control voltage is applied to the coil (via the screw terminals), it creates a magnetic field that pulls the main contacts together. This action completes the circuit, allowing power to flow from the supply to the motor. When the control voltage is removed, a spring returns the contacts to their open position, de-energizing the motor. This on/off switching capability is fundamental for starting, stopping, and reversing motors in a wide array of industrial applications.

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