Customization: | Available |
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Breaking Capacity: | Low Voltage Circuit Breakers |
Operation: | Electric Type |
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Scope of Application & Purpose MB6DC-63 molded case circuit breaker is applicable to the circuit with rated working voltage DC60/80Vand rated working current 63A. This product is mainly used in telecommunication machine roomsorcommunication cabinets, offering isolation, short circuit and overload protection for cabinets, machine roomsorback-end user lines. Product Design Basis Standards: IEC60947-2 Low-voltage switchgear and controlgear - Part 2: Circuit-breakers 2. Normal Operating Environment 2.1 Operating environment for normal use a. Altitude: ≤2000m, the derating factor is required in case of >2000m (see 4.1 Table of deratingfactors). b. Ambient temperature: -40ºC~+70ºC. c. Be able to withstand the effects of humid air (temperature at +40°C and above, relative air humidityup to 50%, larger relative humidity is allowable at lower temperatures, e.g. 95%at +20°C); d. Salt spray resistance over 48h. 2.2 Class of pollution The class of pollution of the installation site is 3.