... miniature circuit breaker (hereinafter called the breakers)are composed of moulded case,operating mechanism,contact,arc-extinguishin system,trpping ... 60898-1Electrical featuresRated current In A2,4,6,10,16,20,25,32,40,50,63Poles P1,1P+N ... life t8000Mechanical life t10000Protection degree IP20Reference temperature for °C30setting of thermal elementAmbient temperature(with daily average≤35°C) °C ...