Siemens Industrial Controls 3RT2024-1AC20 Power Contactor AC Contactors - 3-Pole 12A 24V

The Siemens 3RT2024-1AC20 is a professional-grade 3-pole power contactor from the reliable SIRIUS 3RT2 series, designed for industrial and commercial motor control applications. This Size S0 contactor features a 24V AC 50/60Hz control coil and is rated for 12 amps at 400V AC, with a power rating of 5.5 kW. It is suitable for controlling motors rated up to 3 HP at 230V or 7.5 HP at 460V in 3-phase applications.

Key Features:

• 12A contact current rating with AC-3 duty classification
• 24V AC coil voltage (50/60Hz) with efficient pickup and holding characteristics
• 3-pole normally open (3NO) main contact configuration
• Integrated auxiliary contacts: 1 normally open (NO) and 1 normally closed (NC) base-mounted
• Screw terminal connections for secure wire termination
• Standard 35mm DIN rail mounting for easy installation
• Compact Size S0 frame: 1.77" W x 3.35" L x 3.82" D
• Operating temperature range: -25°C to +60°C
• Engineered for high-endurance switching with frequent motor starts and stops

This contactor is compatible with a full range of SIRIUS accessories including thermal overload relays, solid state overload relays, and additional auxiliary contact blocks. It serves as the direct replacement for the obsolete 3RT1024-1AC20 model. Built to DIN VDE 0106 Part 100 safety standards, the 3RT2024-1AC20 provides reliable performance in control panels, motor starter assemblies, and industrial automation systems.