Siemens 3RT2024-2CK64-3MA0 Contactor 12A, 5.5 kW, 110V 50Hz/120V 60Hz AC Coil, 2 NO + 2 NC, Varistor, Spring-Loaded Original Brand New

Overview

The Siemens 3RT2024-2CK64-3MA0 is a compact and efficient 3-pole power contactor from the SIRIUS size S0 line, perfectly suited for switching and controlling three-phase motors up to $5.5\text{ kW}$ at $400\text{ V}$ (or $12\text{ A}$ AC-3e/AC-3). Designed for global use, the coil operates on $110\text{ V}$ AC at $50\text{ Hz}$ or $120\text{ V}$ AC at $60\text{ Hz}$.

This model enhances reliability with a plugged-in varistor, which suppresses voltage peaks to protect control components. It includes integrated, captive auxiliary contacts ($2\text{ NO }+2\text{ NC}$), and features spring-loaded terminals for secure, vibration-proof, and significantly faster wiring on both main and auxiliary circuits.

Key Benefit

• Compact High Performance: Size S0 form factor delivers a powerful $12\text{ A}$ / $5.5\text{ kW}$ switching capacity, saving valuable panel space.
• Integrated Surge Protection: Comes standard with a plugged-in varistor to absorb coil-induced voltage spikes, ensuring a longer operational life for the contactor and connected components.
• Global Coil Compatibility: The $110\text{ V }50\text{Hz}/\text{120V }60\text{Hz}$ AC coil is ideal for use in installations with common international supply voltages.
• Efficient and Reliable Wiring: Spring-loaded terminals dramatically speed up installation and provide a gas-tight, vibration-resistant connection, eliminating the need for periodic re-tightening.
• Ready for Control Circuits: Includes $2\text{ NO }+2\text{ NC}$ captive auxiliary contacts for immediate feedback and integration into complex control logic.

Application

The Siemens 3RT2024-2CK64-3MA0 is the perfect choice for:

• Switching smaller three-phase pumps, fans, and conveyor systems.
• Use in compact motor starters and control panels where space is limited.
• Integrating into machines requiring reliable contactor control with built-in surge suppression.
• Industrial automation applications demanding secure, vibration-proof connections.

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