Siemens SIRIUS 3RT2 Contactor 3RT7025-1AB05, AC-3 18A, 7.5kW, 400V, 24V AC Coil, Screw Terminal, Size S0 Original Brand New

Overview

The Siemens 3RT7025-1AB05 is a high-performance contactor from the SIRIUS 3RT2 series, designed for reliable and efficient switching of electric motors. With a robust design and a compact form factor (Size S0), this contactor is a perfect solution for a wide range of industrial control applications. It is rated for AC-3 operation at 18A and 7.5kW at 400V, making it suitable for standard motor control tasks. The integrated 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contacts provide enhanced flexibility for signaling and control circuits.

Key Features & Benefit

• Reliable Performance: Engineered by Siemens, a global leader in industrial automation, ensuring long-term reliability and operational safety.
• Energy Efficiency: The SIRIUS 3RT2 series is known for its low power consumption, reducing operational costs.
• Compact Design (Size S0): Saves valuable space within control panels and enclosures, allowing for higher density installations.
• Versatile Application: Ideal for switching electric motors, but also suitable for switching resistive loads.
• Easy Installation: Features robust screw terminals for a secure and straightforward wiring connection, minimizing installation time.
• Integrated Auxiliary Contacts: The built-in 1NO + 1NC auxiliary contacts provide direct feedback on the contactor’s status, simplifying circuit design and diagnostics.

Technical Specification

• Product Number: 3RT7025-1AB05
• Series: Siemens SIRIUS 3RT2
• Rated Operational Current (Ie): 18A (at 400V, AC-3)
• Rated Operational Power (Pe): 7.5kW (at 400V, AC-3)
• Coil Voltage (Us): 24V AC, 50Hz
• Auxiliary Contacts: 1NO + 1NC
• Termination Type: Screw Terminal
• Mounting: Snap-on mounting on DIN rail or screw mounting
• Size: S0

Application

The Siemens 3RT7025-1AB05 contactor is widely used in:

• Motor control circuits
• HVAC systems
• Pumping stations
• Conveyor systems
• Industrial machinery
• Building automation systems

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