Industrial Environmental Atmospheric Conditions
Masterpact MTZ devices have successfully passed the tests defined by IEC 60068-2-52 level 2: salt mist for extreme atmospheric conditions:
Masterpact devices can operate in the industrial environments defined by standard IEC/EN 60947-1 (pollution degree up to 3).
It is nevertheless advised to check that the devices are installed in suitably cooled electrical equipment without excessive dust.
|
Profile |
Pollutions |
Active Substances |
|---|---|---|
|
Corrosive industrial atmospheres |
Category 3C3 compliant with IEC 60721-3-3 |
|
|
Sea salts |
Compliant with IEC 60721-2-5 |
0.8 to 8 mg/(m2. day) |
|
Mechanically active substances |
Category 3S3 compliant with IEC 60721-3-3 |
Beyond these conditions, Masterpact MTZ devices must be installed inside electrical equipment with an enclosure rating equal to or greater than a NEMA 13 rating.