Masterpact MTZ—Ambient Temperature
Masterpact MTZ devices can operate under the following temperature conditions:
Electrical and mechanical characteristics specified for an ambient temperature of -25°C to +70°C (-13°F to +158°F).
Circuit breaker closing specified down to -35°C (-31°F) by manual operation with closing pushbutton.
Storage conditions are as follows:
-40°C to +85°C (-40°F to +185°F) for the device without the control unit.
-25°C to +85°C (-13°F to +185°F) for the control unit.