SL7N-125D with overload delay protection, short circuit instantaneous protection, provide short-circuit protection,overload protection from the 1500VDC.
Widely used in DC panel, DC distribution cabinet, DC combiner box, energy storage, photovoltaic, wind power station distribution box system, communication distribution box protection system, and can also be used for infrequent on-off conversion of lines under normal conditions.
Model and significance
|Enterprise code||Design Number||Case grade rated current||High voltage|
|Multi-gate interrupter||Vent design|
The arc extinguishing chamber adopts a multi-grid
|New design of vent holes,
arc out of gas more smoothly
|Static contact||PA66 flame retardant material|
|The static contact arc ignition design is more conducive to the
arc entering the arc extinguishing chamber
|flame retardant rating of V-2|
|Products name||PV DC MCB|
|Rated operational voltage(Ue)||DC1500V|
|Rated insulation voltage(Ui)||1500V|
|Rated impulse withstand voltage(Uimp)||8kV|
|Case grade rated current(In)||125A|
|Rated operational current(In)||6A/10A/16A/20A/25A/32A
|Rated ultimate short circuit breaking capacity(lcu)||5kA/1500V|
|Running breaking capacity(lcs)||5kA/1500v|
|Relative humidity||+50℃ not more than 95%|
|Wiring polarity requirements||NO|
Test requirements: DC power supply.
Current: According to 14048.2,1.05Ln 1n does not work, 1.3Ln 1n works, if the temperature change of double gold can be measured.
The length and area of the wire are in accordance with the standard.
Measure the temperature rise of the terminal and compare the change in temperature rise.
Test 3 each.