3RT2024-1KB40-1AA0

Description

Overview

The Siemens 3RT2024-1KB40-1AA0 is a high-performance power contactor designed for reliable switching of motors and resistive loads. With a rated current of 12 A and a 3-pole configuration, this contactor delivers up to 5.5 kW at 400 V AC. Its compact S0 frame size ensures seamless integration into industrial control panels, while the built-in varistor protects against voltage spikes.

Key Features & Function

• Rated Current & Power: 12 A, suitable for loads up to 5.5 kW / 400 V AC.

• Control Voltage: 24 V DC coil with 0.7–1.25 * Uc for stable operation.

• Poles & Auxiliary Contacts: 3-pole main contacts with 1 NO + 1 NC auxiliary contacts.

• Protection: Includes a plugged-in varistor for surge protection.

• Mounting & Installation: Screw terminals, upright mounting position, frame size S0.

• PLC Compatibility: Designed for direct connection to PLC outputs.

• No Additional Auxiliary Switches: Simplifies installation and maintenance.

Benefit

• Enhances motor control reliability and efficiency.

• Protects circuits from voltage spikes via integrated varistor.

• Compact S0 frame saves space in control cabinets.

• Suitable for industrial automation and PLC applications.

• Easy installation with screw terminals and upright mounting.

Application

The Siemens 3RT2024-1KB40-1AA0 Contactor is the ideal choice for switching 3-phase AC loads in applications such as:

• Motor Control: Switching small to medium-sized motors (up to 5.5 kW) for pumps, fans, conveyors, and machine tools.
• Resistive Loads: Controlling heating elements, lighting systems, and other general AC loads.
• Automated Systems: Integration into industrial control panels where PLC control and high reliability are essential.
• Coupling and Interlocking: Used as a coupling contactor to interface low-power PLC outputs with high-power load circuits.

For more of our high-quality industrial automation products and components, visit turll today!