Detailed Product Description
DPX series molded case circuit breaker(circuit breaker,mccb)
1.Application
DPX series mouled case circuit breaker applies to the circuit with AC50/60Hz,rated insulation voltage 690V or below,and rated current of 250A.
It alao can be used as unfrequent conversion of line and unfrequency,overload protection,short circuit protection and over-voltage protection device.
2.Specification
Type | DPX-125 | DPX-250 | |||||
DPX-E | DPX | DPX | DPX | DPX-E | DPX | ||
Pole number | 3-4 | 3-4 | |||||
Rated current Im(A) | 16~125 | 25~250 | |||||
The electrical characteristic satisfies EN60947-2 | |||||||
Rated working voltage Ue 50/60Hz | 500 | 690 | |||||
Rated working voltage Ue(V) | 250 | 250 | |||||
Rated insulation voltage Ui(V) | 500 | 690 | |||||
Rated impulse voltage Uimp(KV) | 6 | 8 | |||||
Usage group | A | A | |||||
Moulded case switch type | E | H | L | ||||
Limited breaking capacity(kA) | 230/240V | 22 | 35 | 50 | 60 | 100 | 170 |
400/415V | 16 | 25 | 36 | 36 | 70 | 100 | |
400V | 10 | 18 | 20 | 30 | 60 | 70 | |
480/500V | 8 | 12 | 14 | 25 | 40 | 40 | |
600V | 20 | 25 | 25 | ||||
690V | 16 | 20 | 20 | ||||
250V | 16 | 25 | 30 | 36 | 40 | 40 | |
Used breaking capacity Icos(Icu) | 100 | 50 | 50 | 100 | 75 | 50 | |
Short-circuit closed capacity(400V) | 32 | 52.5 | 75.6 | 75.6 | 154 | 220 | |
Short-time withstand current Icw(Ka) | |||||||
Life(open,close for time) | mechanical | 7000 | 7000 | ||||
Electrical | 1000 | 1000 | |||||
