The SIMATIC HMI Ex devices are intrinsically-safe Panel PCs and Thin Clients which have been specially developed for hazardous areas. The intrinsically-safe design allows simple installation on site. The variety of certification allows use in many parts of the world without further approvals.

The devices are fanless and permit completely maintenance-free installation without batteries or rotating parts.

Available as HMI devices for hazardous areas "Zone 1" and "Zone 2" are:

• SIMATIC HMI Panel PC Ex NG
• SIMATIC HMI Panel PC Ex OG
• SIMATIC HMI Panel PC Ex
• SIMATIC HMI Thin Client Ex NG
• SIMATIC HMI Thin Client Ex

Further SIMATIC HMI devices are also available for the Zone 2/22 hazardous area and can be found in the "Operator panels" chapter:

• SIMATIC HMI Comfort Panels