Ambient condition
- Altitude: ≤1000m;
- Ambient temperature: -25℃ ~+40℃ ;
- Relative humidity: daily average ≤95% , monthly average ≤90% ;
- Earthquake intensity: ≤8 degree;
- Applicable occasions should free from inflammables, explosives, corrosives
and severe vibration.
Product feature
- Scientific design and innovative structure.
- Contacting points distribute on two planes, small operating moment, and release pressure to small and easy adjustment.
- Improved driving and conducting part.
- Column moving contact that can decrease operating strength and ensure reliability of circuit conduction.
Technical specification
| Data Model and specification Item | GN30-12/400-12.5 | GN30-12/630-20 | GN30-12/1000-31.5 | GN30-12/1250-31.5 | GN30-12/(1600-3150)-40 | |
| GN30-12D/400-12.5 | GN30-12D/630-20 | GN30-12D/1000-31.5 | GN30-12D/1250-31.5 | GN30-12D/(1600-3150)-40 | ||
| Rated voltage(kV) | 12 | |||||
| Rated current(A) | 400 | 630 | 1000 | 1250 | 1600~3150 | |
| Rated short-time withstand current(kA) | 12.5 | 20 | 31.5 | 40 | ||
| Rated short-circuit duration(s) | 4 | |||||
| Rated peak withstand curren(kA) | 31.5 | 50 | 80 | 100 | ||
| Rated insulating level | 1min. PF withstand voltage(kV) | phase to phase/ to earth: 42, across open contacts: 49 | ||||
| Lightning impulse withstand voltage(kV) | phase to phase/ to earth: 75, across open contacts: 85 | |||||
Outline Dimension
