Products
BX2MZ series DC moulded case circuit breaker is developed by advanced design and manufactur- ing technology, suitable for rated voltage is DC250V, DC500V, DC750V and DC 1000V, rated current up to 800A, 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 | BX2MZ-250 | BX2MZ-400 | ||||||
| Pole | 2 | 3 | 2 | 3 | ||||
| Rated working voltage?Ue (V) | DC500 | DC1000 | DC1500 | DC250
/500 |
DC750
/1000 |
DC1250?/1500 | DC1250
/1500 |
|
| Rated?insulation voltage?Ui (V) | DC1250 | DC1500 | DC1500 | |||||
| Rated?impulse withstand voltage?Uimp(kV) | 8 | 12 | 12 | |||||
| Rated current?In?(A) | 63, 80,?100,?125,?140,?160,
180, 200, 225,?250 |
225, 250, 315,?350,?400 | ||||||
| Rated ultimate short-circuit?breaking capacity?Icu(kA) | H | 50 | 20 | 20 | 65 | 35 | 15 | 15(2P connection)?20(3P connection) |
| R | 55 | 25 | 25 | 70 | 40 | 20 | 20(2P connection)?25(3P connection) | |
| Rated operating short-circuit
breaking capacity?Ics(kA) |
Ics=100%lcu | |||||||
| Wiring | 2?in?2?out | |||||||
| Category | A | |||||||
| Isolation function | Yes | |||||||
| Ambient temperature | -35°C~+70°C | |||||||
| Mechanical life?(times) | 20000 | 10000 | ||||||
| Electrical?life (times) | 3000 | 2000 | 1500 | 1000 | 1000 | 700 | 500 | |
| Standards compliant | IEC/EN 60947-2 | |||||||
| Accessory | shunt, auxiliary, alarm, manual operation, electric?operation | |||||||
| Standard | IEC60947-1 and IEC60947-2 | ||||||||
| Type | BX2MZ-630 | BX2MZ-800 | |||||||
| Pole | 2 | 3 | 2 | 3 | |||||
| Rated working voltage Ue (V) | DC250 /500 | DC750 /1000 | DC1250 /1500 | DC1250/1500 | DC250 /500 | DC750 /1000 | DC1250 /1500 | DC1250/1500 | |
| Rated insulation voltage Ui (V) | DC1500 | DC1500 | |||||||
| Rated impulse withstand voltage Uimp(kV) | 12 | 12 | |||||||
| Rated current In (A) | 500, 600 | 700, 800 | |||||||
| Rated ultimate short-circuit breaking capacity Icu(kA) | H | 65 | 35 | 15 | 15(2P connection) 20(3P connection) | 65 | 35 | 15 | 15(2P connection) 20(3P connection) |
| R | 70 | 40 | 20 | 20(2P connection) 25(3P connection) | 70 | 40 | 20 | 20(2P connection) 25(3P connection) | |
| Rated operating short-circuit
breaking capacity Ics(kA) |
Ics=100%lcu | ||||||||
| Wiring | 2 in 2 out | ||||||||
| Category | A | ||||||||
| Isolation function | Yes | ||||||||
| Ambient temperature | -35°C~+70°C | ||||||||
| Mechanical life (times) | 5000 | 5000 | |||||||
| Electrical life (times) | 1000 | 1000 | 700 | 500 | 1000 | 1000 | 700 | 500 | |
| Standards compliant | IEC/EN 60947-2 | ||||||||
| Accessory | shunt, auxiliary, alarm, manual operation, electric operation | ||||||||
