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GRM3DC-500HU-2P 450A-500A DC1500V···························Product
DescriptionFunction IntroductionThrough many years of dedicated
research on the actual system operation situation and customer
needs for new energy at home and abroad,UNITE Electric has
developed the GRM3 (DC)-(HU) series of AC and DC Molded Circuit
Breakers for New Energy.Product Characteristic- for the GRM3-(HU)
series Molded Circuit Breaker, The maximum rated voltage is 1140V,
and the maximum current is 400A.- for GRM3-(HU) series Molded
Circuit Breaker, in the voltage of 800V, the maximum breaking
capacity is 36.5kA, which can ensure reliable short-circuit
protection of the system.- for GRM3DC-(HU) series Molded Circuit
Breaker, The maximum rated voltage is 1500V, and the maximum
current is 400A.- for GRM3DC-(HU) series Molded Circuit Breaker, in
the voltage of 1500V, the maximum breaking capacity is 20kA, which
can ensure reliable short-circuit protection of the
system.StandardGRM3(DC)-(HU) series AC/DC molded case circuit
breaker meets the following standards IEC60947-1 GB/T14048.1
General Provisions IEC60947-2 GB/T14048.2 circuit breakerUse and
MaintenanceVarious characteristics and accessories of the circuit
breaker shall be fixed by the manufacturer and shall not be
adjusted in the use. Under the compliance with custody and use
conditions, from the date of 24 months from the manufacturer
delivery and in the situation of the circuit breaker intact seals,
if the product is damaged or not used normally due to manufacturing
quality problems, the manufacturer shall be responsible for
replacement and repair without charge.Applied Environment 1.
The altitude is not higher than 2,000 m;2. It is resistant to damp
air (three-proof type)3. It is resistant to the influence of salt
fog and oil fog (three-proof type);4. It is resistant to the
influence of mold (three-proof type);5. In a medium without
explosion risk, the medium is not enough to corrode the metal and
destroy the insulation of the gas and conductive dust.Note: the
three-prevention products should be specially customized, please
indicate TH.ModelGRM3DC-50OHURated current of shell frame grade
In(A)500Rated current In(A)500Pole Number2Rated working voltage
Ue(V)DC1500/1600Rated insulation voltage Ui (V)DC2300Rated impulse
withstand voltage Uimp (kV)12Extreme short-circuit breaking
capacity Icu (kA)20402510Running short-circuit breaking capacity
lcs (kA)Ics=100%IcuWiring modeUpper in and lower out, lower in and
upper out (2P, 320/3P) Lower in and lower out, upper in and upper
out (3P)Mechanical life(Total times)5000Electrica life(Total
times)10001000700500Insolation featureyesStandardIEC
60947-2,GB/T14048.2Allowable ambient temperature-35ºC~+70°CLevels
of protectionIP20Quality certificateCCC,CB,TUV,CE certificateWith
accessoriesAuxiliary, alarm, off, load, Hand operation, Electric
operationArcing distance (mm)≤50 (Zero arcs, with arcing
cover)Transient Action value10 lnOverall dimensions
LxWxH(mm)L250W124(2P)/182(3P)H165Installation wayfixed type,
plug-in typeCertificationsPackaging & ShippingCompany Profile/*
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