Siemens SIRIUS 3RT2024-1FB44-3MA0 Power Contactor, 12A, 5.5kW, 24V DC, S0 Size, 2NO+2NC Original Brand New

Overview

The Siemens 3RT2024-1FB44-3MA0 is a high-performance SIRIUS 3RT2 series power contactor designed for reliable switching of AC motors and other resistive loads. This 3-pole contactor is built for durability and efficiency in demanding industrial environments. With its compact S0 size and versatile features, it provides a robust solution for a wide range of control and automation tasks. The integrated diode combination offers enhanced surge protection for the 24V DC coil, ensuring a long service life and stable operation.

Key Benefit

• Reliable Performance: Rated for AC-3e/AC-3 switching duty, providing stable and consistent operation for motor control up to 5.5 kW at 400 V.
• Space-Saving Design: The compact S0 size allows for high-density mounting in control cabinets, optimizing valuable panel space.
• Enhanced Coil Protection: The built-in diode combination protects the 24V DC coil against voltage surges, extending the product’s lifespan and improving system reliability.
• Versatile Auxiliary Contacts: The integrated 2 NO + 2 NC auxiliary contacts provide flexible signaling and interlocking options, simplifying wiring and reducing the need for external components.
• Secure Connections: Screw terminals ensure a strong, reliable, and vibration-resistant connection, making installation and maintenance straightforward.
• Global Compatibility: Part of the widely recognized Siemens SIRIUS family, ensuring compatibility and easy integration with other Siemens control products.

Function

• Motor Control: Serves as the primary switching device for starting, stopping, and reversing three-phase AC motors.
• Load Switching: Capable of switching resistive loads, lighting, and other non-motor loads in industrial and commercial applications.
• Signal Interlocking: The auxiliary contacts can be used for control circuit interlocking, status indication, and feedback signals to PLCs or other control systems.
• Safety Integration: Can be used in safety-related circuits in conjunction with safety relays or PLCs, thanks to its high-quality construction.

Technical Specification

• Product Name: Siemens SIRIUS Power Contactor
• Product Number: 3RT2024-1FB44-3MA0
• Rated Operating Current (Ie): 12 A (AC-3e/AC-3 at 400V)
• Rated Power (P): 5.5 kW (AC-3e/AC-3 at 400V)
• Number of Poles: 3-pole
• Control Voltage: 24 V DC
• Auxiliary Contacts: 2 Normally Open (NO) + 2 Normally Closed (NC)
• Coil Features: With plugged-in diode combination
• Terminal Type: Screw terminal
• Size: S0
• Special Feature: Captive auxiliary switch for secure and reliable operation.

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