Specifications

Chapter 1: General Information
Specifications and Characteristics
8
Pollution Degree
Definitions
Pollution Degree 1: No pollution or only dry, non-conductive pollution occurs. The
pollution has no influence. Example: A clean room or climate-controlled office
environment.
Pollution Degree 2. Normally only dry non-conductive pollution occurs. Occasionally a
temporary conductivity caused by condensation may occur. Example: General indoor
environment.
Pollution Degree 3: Conductive pollution occurs, or dry, non-conductive pollution
occurs which becomes conductive due to condensation which is expected. Example:
Sheltered outdoor environment.