Siemens 3RT7025-1AG25 SIRIUS Contactor AC-3, 18A, 7.5kW, 400V, 1NO+1NC, 110V AC Coil, Screw Terminals, Size S0 Original Brand New

Overview

The Siemens 3RT7025-1AG25 is a high-performance SIRIUS series contactor designed for reliable switching of motors and other industrial loads up to 18A. As a key component in a wide range of control and automation systems, this contactor is engineered to meet the demanding requirements of industrial applications. Featuring a robust, compact design in size S0, it offers excellent performance and longevity. The 110V AC control voltage coil and versatile 1NO + 1NC auxiliary contacts make it a flexible solution for various control circuits.

Key Benefit

• Exceptional Reliability: Part of the globally recognized Siemens SIRIUS family, known for its outstanding durability and consistent performance.
• Space-Saving Design: The compact size S0 footprint allows for efficient use of space within control cabinets and electrical panels.
• Versatile Application: Ideal for switching AC motors, resistive loads, and general control applications up to 7.5 kW at 400V.
• Easy Installation: Features standard screw terminals for secure and straightforward wiring.
• Integrated Auxiliary Contacts: The built-in 1NO and 1NC contacts provide immediate feedback on the contactor’s status for integration into complex control systems.
• Safety and Compliance: Manufactured to meet international standards (IEC, UL, CSA), ensuring safe operation and global usability.

Function

• Motor Control: Effectively starts, stops, and protects AC motors by switching power to the motor windings.
• Load Switching: Functions as a robust switch for general resistive and inductive loads, such as heaters, lighting systems, and transformers.
• Remote Control: Activated remotely via a 110V AC control signal, making it a critical component in automated and semi-automated systems.
• Status Indication: The integrated auxiliary contacts can be used to signal the ON/OFF state of the main power circuit to a PLC, relay, or indicator light.

Technical Specification

• Product Type: Contactor, AC-3
• Part Number: 3RT7025-1AG25
• Rated Operational Current (Ie): 18A (at AC-3, 400V)
• Rated Power (kW): 7.5 kW (at 400V)
• Control Voltage (Coil): 110V AC, 50/60Hz
• Auxiliary Contacts: 1 Normally Open (1NO), 1 Normally Closed (1NC)
• Size: S0
• Mounting: DIN rail
• Connection Type: Screw terminals
• Series: Siemens SIRIUS 3RT

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