Technical Support and Services of Intelligent Infrastructure Group
- Hotline: 400-150-6060
- Email: cs.4001506060.cn@siemens.com
Low-voltage power distribution products: Frame circuit breakers, molded case circuit breakers, miniature circuit breakers, leakage protection products, transfer switches for dual power supply, isolating switches, intelligent meters, fuses, surge protectors, etc.
Control products: Motor protection circuit breakers, contactors, relays, soft starters, buttons, indicator lights, intelligent motor protectors, and communication products, etc.
Power automation products: Relay protection, substation automation systems, PQ series meters, etc.
Medium and low voltage products: Medium and low voltage switchgear equipment, generator outlet switchgear, MVC medium voltage components, etc.
Building products: HVAC, fire protection and security, etc.
- Working hours: 8:15 - 17:15 from Monday to Friday (excluding legal holidays)
- Starting from October 1, 2022, the original hotlines 400-070-5500 and 400-630-6090 will be integrated into 400-150-6060. Please directly call 400-150-6060 for relevant businesses of the Intelligent Infrastructure Group. We apologize for any inconvenience caused.
- The SI hotline will open the WeChat service channel from October 1, 2024. The QR code is shown on the right.











