Smart Infrastructure Korea – Contact Us

General Support & Service Requests

  • Customer Support Hotline: +82 80-989-7119
  • Operating hours: 09:00 – 18:00 (Closed for lunch: 12:00 – 13:30)

If you have any inquiries, please complete the form below and click ‘Submit’.
To ensure prompt technical support, we kindly ask you to provide accurate and detailed information.

  1. Phone no.:
  2. Physical Address:
  3. Product Category:
  • Residential Thermostats
  • Electrification and Automation (Protection Relays, Digital Meters, Medium-Voltage Circuit Breakers, etc.)
  • Fire Safety (Fire Alarm Control Panels, Detectors, Exit Lights, etc.)
  • Electrical Products (Circuit Breakers, Energy Meters, Contactors, Soft Starters, etc.)
  • Building Automation & HVAC (Desigo CC, Valves, Sensors, etc.)
  • Others

4. Comment:

SI Customer Service Center