... modular structure of a single product type, integrating the traditional circuit breaker (fuse), contactors, overload (or over-current, phase) ... ) Body: a short-circuit protection (similar to the MCCB and fuses short-circuit protection), control (similar to the device's remote ... humidity, for example, 90% at 20 °C. Occasionally, due to temperature changes of the condensation produced by special measures ...