GCK electric distribution box
Features and application
advanced structure, beautiful appearance, high electric performance, high grade of protection, high safety and convenient maintenance etc. It is the ideal electricity distribution device for the low-voltage electricity supply system of the professions such as metallurgy, oil, chemical industry, electricity, mechanism and light textile etc. It is graded as the recommended product for reforming the two nets and the ninth batch of energy-saving product by our nation.
Conditions for using ambient
- The altitude must be less equal to 2000meters.
- The temperature of the surrounding air must be less equal to +40℃.Its average temperature must be less equal to +35℃ and the temperature of the surrounding air must be over equal to -5℃ within 24 hours.
- The Atmospheric Conditions: The air should be clear. The relative humidity must be less equal to 50% when it is +40℃.When temperature is low, a higher relative humidity is allowed. For example, 90% when it is +20℃.
- Place without the danger of fire and explosion, severe pollution, chemical corrosion or strenuous vibration.
- The verticality must be less equal to 5° .
- During transportation or storage, the controlling center must be apply to the following temperature:-25℃ 〜+ 55℃,but within short time (less equal to 24 hours), the temperature must be less equal to 70℃.
Specification
1.Rated insulation voltage: 660V. 1000V.
2. Rated working voltage: 380V, 660V,
3. Rated voltage of the auxiliary circuit: AC220V, 380V, DC110V, 220V,
4. Rated frequency: 50Hz~ (60) Hz;
5. Rated current:the level bus bar muse be less equal to 3150A;the Vertical bus bar 630A, 800A
6. Rated short-time tolerance current 105KA/1s, Neutral bus bar 30Ka/1s.
7. Rated peak current: 105kA/0.1s, 50KA/0.1s;
8. The breaking capacity of the function unit (drawer) :50KA (effective value);
9. the protection grade of the cover board: IP30, IP40.
10. Bus bars setting: three-phase four-wire system, three-phase five-wire system:
11. Operation mode: local, remote and automatic.
