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 |