Siemens 3RT2026-2CK64-3MA0 Power Contactor 25A, 11kW, 110V AC, with Varistor & 2NO+2NC Aux Contacts Original Brand New

Overview

The Siemens SIRIUS 3RT2026-2CK64-3MA0 is a robust and highly reliable power contactor designed for a wide range of industrial applications. This 3-pole contactor is engineered for performance, safety, and efficiency, making it an ideal choice for controlling motors and other electrical loads. With a rated current of 25 A for AC-3e/AC-3 applications and a power rating of 11 kW at 400 V, it provides excellent switching capability.

The integrated varistor offers enhanced protection against voltage surges, extending the lifespan of the coil. The user-friendly spring-loaded terminals and captive auxiliary switch simplify installation and maintenance, ensuring a secure and stable connection.

Key Benefit

• High Performance: Capable of handling significant loads with a 25 A current rating and 11 kW power rating.
• Enhanced Coil Protection: The built-in varistor protects the coil from voltage spikes, ensuring long-term reliability and reducing maintenance costs.
• Versatile Auxiliary Contacts: Features two normally open (2 NO) and two normally closed (2 NC) auxiliary contacts, providing flexibility for complex control and signaling circuits.
• Efficient and Secure Connection: Spring-loaded terminals offer a vibration-proof and maintenance-free connection, saving time during installation and ensuring operational safety.
• Compact Design: Size S0 makes it suitable for space-constrained control cabinets without compromising on performance.
• Global Compatibility: Operates on both 110 V AC (50 Hz) and 120 V AC (60 Hz), allowing for use in various international electrical systems.

Function

The Siemens 3RT2026-2CK64-3MA0 power contactor is primarily used for:

• Switching 3-phase asynchronous motors.
• Controlling resistive loads.
• Acting as a main or control contactor in complex industrial control systems.
• Integration into motor starters, contactor assemblies, and other control panels.

Technical Specification

• Product Number: 3RT2026-2CK64-3MA0
• Rated Current (AC-3e/AC-3): 25 A
• Rated Power (at 400 V): 11 kW
• Poles: 3-pole
• Operating Voltage: 110 V AC (50 Hz) / 120 V AC (60 Hz)
• Auxiliary Contacts: 2 NO + 2 NC
• Terminal Type: Spring-loaded terminal
• Coil Protection: Plugged-in varistor
• Size: S0
• Series: SIRIUS 3RT2
• Features: Captive auxiliary switch

Application

This power contactor is widely used in industrial automation, machinery manufacturing, HVAC systems, and a variety of other electrical control applications where reliable switching of high-power loads is required.

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