BB SERIES SURGEPROTECTION
BBSeries
ClassISurgeprotectiondevice(Type1/B)protects
Technicalcharacteristics:
against partial direct and indirect lightning
dischargersandinductedsurgesandisintendedto
Type: BB 120/xxx (3+1)
BB 120/xxx (1+1)
provideprotectioninzones0A-1.Specificproducts
BB 120/xxx (4+0)
areavailabletoaddresstherangebetween150V BB 120/xxx (2+0)
and 450V. As a protective element the serial
connectionofMOVisused.
Max. continuous operating voltage (AC/DC) UC 150V/200V 275/350V 320/420V 385/500V 440/580V
Nominal discharge current (8/20) IN 60kA
per wire
Mainfeatures:
Max. discharge current (8/20) IMAX 120kA
•SuitableforTT,TNandITpowersupplysystems per wire
•LowLTW(letthroughvoltage)
Leakage current IPE <2.5mA
•Compactdesign
LTV level UP <300V <450V <500V
•HighIPrating(65)
Terminal cross section 32mm2
(solid)
•LEDsignallingcircuit
Response time tA 25ns
•Sound&lightalarm
Thermal protection YES
•Surgecounter
Degree of protection IP65
•Buildinfuse(noneedofexternalfuse)
Remote contacts YES
a4+44(0)1159757600 www.fmsudafix.com 101
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