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MasterPacT MTZ with MicroLogic Active Pollution Degree Technical Advisory

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This technical advisory specifies that MasterPacT MTZ circuit breakers with MicroLogic Active control units have reinforced front-face insulation (Class 2) per IEC/EN 60664-1 and can operate in industrial environments with pollution degree up to 3 per IEC/EN 60947-1. However, for units used on systems above 600 Vac and manufactured between April 2024 and November 2024, the pollution degree is limited to 2.

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