Siemens 3RT7026-1AH25 Contactor, AC-3 25A/11kW, 400V, 48V AC Coil, Size S0 Original Brand New

Overview

The Siemens 3RT7026-1AH25 is a high-performance SIRIUS series power contactor designed for reliable switching of three-phase motors and other electrical loads up to 11 kW at 400V. This AC-3 contactor features a compact size S0 frame, a 48V AC 50/60 Hz control coil, and robust screw terminals for secure and straightforward wiring. Ideal for industrial control applications, it provides dependable performance and long service life.

Key Features & Benefit

• Reliable Performance: Rated for AC-3 applications up to 25A and 11kW, ensuring efficient and safe operation for a wide range of motor control tasks.
• Integrated Auxiliary Contacts: Comes with a built-in 1 Normally Open (NO) and 1 Normally Closed (NC) auxiliary contact, simplifying wiring and reducing the need for additional contact blocks.
• Versatile Control Voltage: The 48V AC 50/60Hz control coil is suitable for various industrial control systems and panel designs.
• Compact Design: The space-saving Size S0 frame allows for high-density mounting in control panels, optimizing cabinet space.
• Easy Installation: Features robust screw terminals that ensure a strong, reliable electrical connection and facilitate quick installation and maintenance.
• Durable and Long-Lasting: Part of the trusted Siemens SIRIUS line, known for its high quality, durability, and long mechanical and electrical service life.

Function

The Siemens 3RT7026-1AH25 contactor serves as an electrically operated switch used for remotely controlling a power circuit. When the 48V AC control coil is energized, it closes the main power contacts, allowing current to flow to the connected load (e.g., a motor). The integrated auxiliary contacts can be used for feedback, interlocking, or control logic within a larger automation system. It is specifically designed for switching motor loads, where it can handle the high inrush current during motor startup.

Technical Specification

• Product Number: 3RT7026-1AH25
• Product Type: Contactor, AC-3
• Current Rating: 25A
• Power Rating: 11 kW at 400V
• Control Voltage: 48V AC, 50/60Hz
• Auxiliary Contacts: 1 NO + 1 NC
• Size: S0
• Terminal Type: Screw Terminal
• Mounting: DIN rail or screw mounting
• Manufacturer: Siemens
• Series: SIRIUS

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