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3SM8D, MCCBs for DC applications

Independent power supply with build-in power source,directly draws power from the incoming end to avoid the risk of protection function failure caused by external power supply failure.

● Overload protection
● Short circuit protection
● Isolation
● Controlling
● Used in residential building, non-residential building, industry, energy and infrastructure
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Product profile

●   3SM8D series photovoltaic DC circuit breakers are suitable for DC network circuit which rated

●   voltage to DC 1000 V and rated current to 800 A . DC circuit


Instruction of type code

3SM8D.1


Normal working environment

●   The altitude is 2000 m and below. If it is higher than 2000 m,it needs to be derated. 

●   For other


Technical specifications

3SM8D.2


Grounding type

3SM8D.3


Temperature performance curve

3SM8D.4


Outline and installation dimensions

3SM8D.5


Selection and ordering data

3SM8D.6


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3SM8D Moulded Case Circuit Breaker MCCB circuit breaker
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