Model | GRM3DC-250HU |
Rated current of shell frame grade Inm(A) | 250 |
Rated current In(A) | 63,80,100,125,140,160,180,200,225,250,280,315,320 |
Pole Number | 2/3 |
Rated working voltage Ue(V)DC | 500 | 1000 | 1500 |
Rated insulation voltage Ui (V) | DC2300 |
Rated impulse withstand voltage Uimp (kV) | 12 |
Extreme short-circuit breaking capacity Icu (kA) | 50 | 20 | 20 |
Running short-circuit breaking capacity lcs (kA) | Ics=100%Icu |
Wiring mode | Upper 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) | 20000 |
Electrica life(Total times) | 3000 | 2000 | 1500 |
Insolation feature | yes |
Standard | IEC 60947-2,GB/T14048.2 |
Allowable ambient temperature | -35ºC~+70°C |
Levels of protection | IP20 |
Quality certificate | CCC,CB,TUV,CE certificate |
With accessories | Auxiliary,alarm,off load, Hand operation, Electric operation |
Arcing distance (mm) | ≤50 (Zero arc,with arcing cover) |
Transient Action value | 10 ln |
Overall dimensions LxWxH(mm) | L | 180 |
W | 76(2P)/107(3P) |
H | 105 |
Installation way | fixed type,plug-in type |