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Mcb

Discuss Mcb in the Periodic Inspection Reporting & Certification area at ElectriciansForums.net

ac/dc

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Jan 19, 2011
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Hi all
please,any idea what would be the bs en nr.on this new mcb with some strange nr. Like sb 399 u and
iec 947-3
thx . In a adv.
 

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