Siemens 3RT7026-1AH20 SIRIUS Contactor AC-3 25A, 11kW, 48V AC Coil, Size S0, Screw Terminal Original Brand New

Overview

The Siemens 3RT7026-1AH20 is a high-performance SIRIUS series contactor designed for reliable switching of electric motors. With an AC-3 rating of 25A and 11kW at 400V, this contactor is built for demanding industrial applications. Its compact Size S0 form factor and robust screw terminals ensure easy and secure installation in a wide range of control panels and machinery. The 48V AC 50/60Hz operating coil provides versatile compatibility with various control circuits.

Key Features & Benefit

• High Performance: Rated for AC-3 switching up to 25A and 11kW, making it suitable for motor control and general-purpose switching applications.
• Reliable Operation: Part of the trusted Siemens SIRIUS family, known for its long service life and high operational reliability.
• Compact Design: The Size S0 footprint saves valuable space within control cabinets, allowing for a more efficient and streamlined layout.
• Versatile Coil Voltage: Operates on a 48V AC 50/60Hz control voltage, a common standard in many industrial settings.
• Secure Connection: Features sturdy screw terminals for a fast, simple, and vibration-proof electrical connection.
• Ease of Integration: Designed for seamless integration with other SIRIUS products, including motor circuit breakers and overload relays.
• Global Standards: Meets international standards, ensuring compatibility and safety in various regions.

Function

The Siemens 3RT7026-1AH20 functions as an electromechanical switching device. When the 48V AC control voltage is applied to the coil, it generates a magnetic field that pulls the main contacts together. This action completes the power circuit, allowing electricity to flow to the connected load (e.g., an electric motor). When the control voltage is removed, the magnetic field collapses, and a spring forces the contacts open, interrupting the power circuit. This makes it an essential component for safely and remotely controlling the operation of industrial equipment.

Technical Specification

• Product Number: 3RT7026-1AH20
• Type: SIRIUS Contactor
• Rated Operational Current (AC-3): 25A
• Rated Power (AC-3, 400V): 11kW
• Control Supply Voltage: 48V AC, 50/60Hz
• Size: S0
• Connection Type: Screw terminals
• Number of Poles: 3-pole
• Auxiliary Contacts: W/O (Without) built-in auxiliary contacts
• Series: SIRIUS 3RT

Application

• Switching of three-phase squirrel-cage motors
• Control of pumps, fans, and compressors
• Switching of lighting circuits and heating systems
• Integration into automated control systems and machinery

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