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, moulded 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 1 October 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 apologise for any inconvenience caused.
- The SI hotline will open on the WeChat service channel from 1 October 2024. The QR code is shown on the right.










