What is iec 60721?

What is iec 60721?

IEC 60721-3-1:2018 classifies the groups of environmental parameters and their severities to which products together with their packaging, if any, are subjected when stored. The environmental conditions specified in this document are limited to those which can directly affect the products or their ultimate performance.

What is iec 60721 3 3?

IEC 60721-3-3 classifies groups of environmental pa- rameters and their severities to which products are subjected when installed for stationary use at weather protected locations.

What does IEC 60721-3-3 mean?

This section of IEC 60721-3 classifies groups of environmental parameters and their severities to which products are subjected when mounted for stationary use at weather- protected locations under use conditions, including periods of erection work, down time, maintenance and repair.

Where to request rush delivery of IEC 60721?

Contact your nearest IHS Markit Office to request rush delivery of any backordered item. This part of IEC 60721 classifies the groups of environmental parameters and their severities to which products together with their packaging, if any, are subjected when stored.

What are the environmental parameters for class 3k3?

Operation environmental specifications (IEC 60721-3-3, EN50178) Climate conditions for operation class 3K3:  Temperature range: 0°C to +40°C  Relative humidity: < 95%, no condensation  Atmospheric pressure: 70KPa to 106KPa. Degree of pollution (IEC 61010, EN50178) Pollution conditions for operation class PD2.