Applying Ambient Conditions
1.Altitude: ≤2000m
2. Ambient temperature at -5ºC to +40ºC, the daily average temperature should not more than 30ºC.
3.The daily average of relative humidity is less than 95%, the average monthly is less than 90%.
4.Working environment should be without steam, gas, chemical corrosive deposition, salt fog, dust, dirt and other dangerous explosive media
5. Working environment should not be regular vibration or serious bumps.
6. The inclination of the mounting surface to the vertical surface does not exceed 15°. The installation category is usually category III.
Features
1.High arc extinguishing capacity
2. Good pressure resistance
3. High operating frequency
4. Long life
5. No arcing out
6. Small volume
7.Light weight
8.Longer maintenance intervals
| 1.The rated voltage of the main circuit is 1140 volts and 50 Hz (it can work normally under the condition of voltage fluctuation of ＜15%); |
| 2.The rated current of the main circuit is 160A; |
| 3.Main contact parameters: opening distance of 2.0 (+0.2 mm) and overrun distance of 1.0 (+0.2 mm); |
| 4.Rated working system: long-term working system and intermittent periodic working system, with 40% power-on duration in intermittent periodic working system; |
| 5.On-off capacity: rated on 1250 A, rated on 600A, limit on 2500 A; |
| 6.Operating frequency: AC4 load 240 times per hour, short time (20 seconds) 2000 times per hour; |
| 7.Electrical life: AC4 load greater than 60,000 times; |
| 8. Mechanical life: 3 million times. |
