Siemens 3RA24 25-8XF32-1AL2 Contactor Assembly

SIEMENS SIRIUS 3RA2425-8XF32-1AL2 Contactor Assembly “ Star-Delta (Wye-Delta) Combination Starter

The SIEMENS SIRIUS 3RA2425-8XF32-1AL2 is a fully-wired, pre-assembled contactor combination starter designed for star-delta (wye-delta) motor starting. Ideal for industrial motor control, this contactor assembly features mechanical and electrical interlocking, high-performance modules, and reliable logic integration for effective power management.

Main Specifications

• Manufacturer: SIEMENS
• Type: Contactor Assembly Star-Delta (Wye-Delta) Combination Starting
• Family: SIRIUS
• Model (MRN): 3RA2425-8XF32-1AL2
• Part No.: 3ZX1012-0RA23-BA1
• Voltage: 400 V AC
• Power: 18.5 kW
• Operating Current: 32 / 40 A
• Frequency: 3001/h to 10001/h
• Insulation Voltage: 690 V
• Surge Voltage Resistance: 6 kV
• Operating Temperature: -25 / 60°C

Design & Components

• Contactor Size: S0
• Auxiliary Contacts: 3 NC, 3 NO
• Interlock: Mechanical and Electrical
• Mounting: SIEMENS 3RA2911-0 Mounting Panel
• Control Logic: Integrated Logic Module (Screw Terminals)
• Included Contactors:
  • 3RT2026 “ Line Contactor (Q11)
  • 3RT2026 “ Delta Contactor (Q13)
  • 3RT2024 “ Star Contactor (Q12)

Additional Modules Attached

• SIEMENS 3RA2912-0 “ Basic Module for Wye-Delta Starter (Order No.: 3ZX1012-0RA16-1AA1)
• SIEMENS 3RT2026-1AL20 “ Power Contactor