Description
GDM15 series mould case circuit breaker(hereinafter referred to as circuit breaker)is mainly used for overload and short circuit protection of power distribution and motor in AC 50Hz circuit with rated voltage of 220V or 380V and rated current up to 100A,it can be used for infrequent transfer of circuit and infrequent start of motor
Normal service condition
1.The altitude of the installtion site shall not exceed 20000m.
2.Ambient air temperature:the ambient temperature shall not exceed+40ºC;the ambient air temperature shall not be less than-5ºC;the average value shall not exceed+35ºCwithin 24hours;
3.Atmosphere condition:
The relative humidity of atmospher shall not exceed 50% at highest temperature of +40ºC,and it can be higher at a lower temperature,when the average lowest temperature in the wettest month doesn't exceed 25ºC then the average highest relative humidity of the present month shall not exceed 90%,condensation on product surface due to temperatuyre change must be taken into account.
4.Installation condition:It shall be installed in place where there is no shock vibration and no effect from rain and snow,and the upper connection terminal shall be connected with power supply side while the lower connection terminal shall be connected with load side,where the inclination to vertical surface does not exceed 5°
5.The installation class is class III
6.The pollution level is class 3
Technical Date
The rated short circuit breaking capacity shall not be lower than the regulation of following table
The test parameter for the number of operation cycles shall comply with the regulation of following table.
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GDM15 series mould case circuit breaker(hereinafter referred to as circuit breaker)is mainly used for overload and short circuit protection of power distribution and motor in AC 50Hz circuit with rated voltage of 220V or 380V and rated current up to 100A,it can be used for infrequent transfer of circuit and infrequent start of motor
Normal service condition
1.The altitude of the installtion site shall not exceed 20000m.
2.Ambient air temperature:the ambient temperature shall not exceed+40ºC;the ambient air temperature shall not be less than-5ºC;the average value shall not exceed+35ºCwithin 24hours;
3.Atmosphere condition:
The relative humidity of atmospher shall not exceed 50% at highest temperature of +40ºC,and it can be higher at a lower temperature,when the average lowest temperature in the wettest month doesn't exceed 25ºC then the average highest relative humidity of the present month shall not exceed 90%,condensation on product surface due to temperatuyre change must be taken into account.
4.Installation condition:It shall be installed in place where there is no shock vibration and no effect from rain and snow,and the upper connection terminal shall be connected with power supply side while the lower connection terminal shall be connected with load side,where the inclination to vertical surface does not exceed 5°
5.The installation class is class III
6.The pollution level is class 3
Technical Date
| Modle | Rated current of frame(A) | Rated voltage(V) | Number of poles | Rated current(A) |
| GDM15-40 | 40 | 220 | 1 | 6/10/16/20 /25/32/40 |
| 220 | 2 | |||
| 380 | 3 | |||
| 380 | 4 | |||
| GDM15-100 | 220 | 2 | 10/16/20/25/ 32/40/50/ 63/80/100 | |
| 380 | 3 | |||
| 380 | 4 |
| Rated cuurent of frame(A) | Rated limiting short circuit breaking capacity(Icu)kA | Test voltage | Power factor(cosφ) | Arcing distance(mm) |
| 40 | 3kA | 1.05Un | 0.9 | ≤50 |
| 100 | 5kA | 1.05Un | 0.7 | ≤70 |
| Type of protection | On load operation | Rated current of frame(A) | Number of operation cycles | Operation | ||||
| Make | Break | COSφ | On-load | No-load | Total | Number of cycles | ||
| For motor protection | Un 6In | 0.17Un 6In | 0.35 | 40/100 | 1500 | 8500 | 10000 | 120/h |
| For power distribution | Un In | Un In | 0.8 | 40/100 | 1500 | 8500 | 10000 | 120/h |
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