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Please find below the environmental category for each breaker
- NSX --> environmental category 3C1 and 3C2 (IEC60721-3-3).
- Compact NS --> environmental category 3C1 and 3C2 (IEC60721-3-3)
- Masterpact NW/NT --> environmental category 3C1 and 3C2 (IEC60721-3-3).
- Masterpact NW08-40 with corrosion protection --> environmental category 3C3 for H2S and 3C4 for SO2 (IEC60721-3-3).