FLW34-12
High Voltage Circuit Breakers
Electric Type
High-Speed Circuit Breaker
SF6
Fixed
ACB
1
Circuit Breaker
Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
ISO9001-2000, CCC
Bdn
Zhe Jiang
3
2000 Times
4s
630/400
Casting Insulation
12
BDN
Wooden Case
medium
China
853620
Product Description
Outdoor live tank AC high-voltage load switch is a three-phase outdoor high-voltage equipment with rated voltage of 12KV and rated frequency of 50Hz.
Ambient air temperature: -40ºC ~ +50ºC;
Altitude: no more than 3000m;
The surrounding air can be polluted by dust, smoke, corrosive gas, steam or salt spray, pollution grade: IV;
The wind speed does not exceed 34m/s (equivalent to 700Pa on the surface of the cylinder);
Vibration or ground movement from outside switchgear and control equipment is negligible;
The amplitude of electromagnetic interference induced in the secondary system does not exceed 1.10kV.
| Name | Unit | Data | |
| Rated voltage | KV | 12 | |
| 6/12/17.5 | |||
| Rated frequency | Hz | 50/60 | |
| Lightning impulse withstand voltage | KV | 110 | |
| Power frequency withstand voltage 1min | Dry | KV | 50 |
| wet | 40 | ||
| Rated current | A | 400/630 | |
| Peak withstand current | KA | 50 | |
| Rated short time making current | KA | 20 | |
| Rated short time withstand current | KA/S | 4/20 | |
| Rated cable charging breaking current | A | 10 | |
| Rated line charging breaking current | A | 1 | |
| Rated closed-loop breaking current | A | 400/630 | |
| Rated current breaking times | Times | ≥400 | |
| Rated working pressure | Mpa | 0.05 | |
| Per-phase main circuit resistance | μΩ | ≤80 | |
| Relative gas leakage rate | Year | ≤1% | |
| Operation of mechanical stability | Times | 6000 | |
| weight | kg | 115 | |
| Institutions boxes and controller protection class | IP67 | ||
