Audited Supplier
GRW24
High Voltage Circuit Breakers
Electric Type
Normal Type Circuit Breaker
Vacuum
Fixed
ACB
1
Circuit Breaker
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
ISO9001-2000, CCC
12/24/36
50/60
200/400/630
31.5-50
BDN
Carton
medium
China
85353090
Product Description
Outdoor on load break switch disconnector contained in this list are destined to switch stub lines and ring main lines or transformers (It can be equipped with MV HRC fuse links as short circuit protection fuction) or for switching under on load conditions. This disconnector complies with IEC/IEEE and DVE-recommendation standards especially comply with DIN VDE 0670 part 3 and IEC 60265, IEC 129.
Ambient Temperature: -40ºC - +50ºC
Altitude: 2500m
Frequency: 50Hz / 60Hz
Maximum Wind Speed: 35m/s
| Name | Unit | Data | ||||
| Rated voltage | kV | 12 | 24 | 36 | ||
| Rated frequency | Hz | 50/60 | ||||
| Rated current | A | 200/400/630 | ||||
| Rated short circuit withstand current (1S) | kA | 20 | ||||
| Rated peak withstand current(1S) | kA | 50 | ||||
| Rated making current | kA | 31.5-50 | ||||
| Rated insulation level (HV) | lightning impulse | kV | 75/85 | 125/145 | 170/195 | |
| Power frequency withstand | 45 | 55/75 | 75/100 | |||
| Rated short circuit breaking capacity cos.Φ(0.7) Without maintenance of contacts | A | / | ||||
| for active circuits | 20 breakings | 630 | 630 | 400 | ||
| 30 breakings | 400 | 400 | 300 | |||
| 40 breakings | 300 | 300 | 250 | |||
| 50 breakings | 250 | 250 | 170 | |||
| 75 breakings | 170 | 170 | 160 | |||
| 120 breakings | 110 | 110 | 110 | |||
| 200 breakings | 65 | 65 | 65 | |||
| 280 breakings | 50 | 50 | 50 | |||
| For ring circuits breaking capacity | 630 | 400 | 250 | |||
| Rated breaking capacity of transformer | 50 | |||||
| Rated breaking capacity of cable charging | 11 | |||||
| Rated breaking capacity of earthing fault | 56 | |||||
