Siemens Contactor assembly kit for AC-3 Star-Delta, 690VAC Part number 3RA2435-8XF32-1NB3

3RA24 Contactors for Star-Delta Starting

The 3RA24 contactor assembly is designed for star-delta (wye-delta) starting of three-phase asynchronous motors, providing a reliable and efficient solution for soft starting.

Technical details:

• Type: Contactor assembly for star-delta (wye-delta) start AC-3
• Power: 37 kW / 400 V
• Control Voltage: 24-33 V AC/DC
• Pole Configuration: 3-pole
• Size: S2
• Electrical and Mechanical Interlock
• Contacts: 3 NO + 3 NC integrated
• Integrated SIRIUS 3RA24 star-delta assemblies
• Factory-fitted combination of three 3RT2 contactors
• Function module with integrated control logic and time setting
• Climate-resistant and approved for worldwide use (e.g. IEC and UL/CSA)
• IE3/IE4-ready
• Available in sizes S00 to S3 with AC and DC operation
• Mounting: Screw or spring-loaded terminals for DIN rails or screw mounting
• Versions available for IO-Link or AS-Interface connection
• Accessories standard for all sizes, compatible with contactor assemblies
• Successor of the 3RA14 series

Customer benefits:

• Simple and efficient solution for soft starting of motors
• Fully wired and interlocked assemblies save time and installation effort
• Modular design allows for easy updates and customization
• Reliable performance with climate resistance for varied environments
• Widely approved for global use ensures compliance across markets