Products
EBS1MZ series DC moulded case circuit breaker is developed by advanced design and manufac- turing technology, suitable for rated voltage is DC250V, DC500V, DC750V and DC 1000V, rated current up to 250A, the circuit breaker have function of short circuit, overload and under-voltage protection to protect circuit and power equipment against damage. The breaker are comply with the IEC60947-1 and IEC60947-2.
Standard | IEC60947-1 and IEC60947-2 | ||||||
Type | EBS1MZ-100 | EBS1MZ-225 | |||||
Frame level ln (A) | 100 | 225 | |||||
Rated current In (A) | 10, 16, 20, 16, 20, 25, 32,
40, 50, 63, 80, 100, 125 |
16, 20, 25, 32, 40, 50, 63, 80, 100,
125, 140, 160, 180, 200, 225, 250 |
|||||
Pole number | 2 | 3 | 4 | 2 | 3 | 4 | |
Rated insulation voltage Ui (V) | 1000 | ||||||
Rated impulse withstanding voltage Uimp (V) | 8000 | ||||||
Rated working voltage Ue(V) | DC250
DC500 |
DC500
DC750 |
DC750
DC1000 |
DC250
DC500 |
DC500
DC750 |
DC750
DC1000 |
|
Using category | A | ||||||
Arcing distance (mm) | ≤50 | ||||||
Rated short time making capacity Icm (kA) | 100% lcu | ||||||
Rated limiting short- circuit breaking capacity Icu (kA) |
DC 250V | 35 | 35 | ||||
DC 500V | 20 | 35 | 20 | 35 | |||
DC 750V | 20 | 35 | 20 | 35 | |||
DC 1000V | 20 | 20 | |||||
Rated service short-circuit
breaking capacity lcs (kA) |
75%Icu | ||||||
Electrical life (times) | 5000 | 5000 | |||||
Mechanical life (times) |
Without
maintenance |
10000 | 10000 | ||||
With
maintenance |
20000 | 20000 |