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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 | -35℃~+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 | 1O ln | ||||||
Overall dimensions LxWxH(mm) | L | 180 | |||||
W | 76(2P)/107(3P) | ||||||
H | 105 | ||||||
Installation way | fixed type,plug-in type |