GGD Low Voltage Distribution Switchgear with Good Breaking Capacity & Strong Applicability

GGD low voltage distribution switchgear is suitable for AC, 50 Hz, 380 V rated voltage and 3150 A rated current power distribution systems for power plants, transformer substations and industrial & mining enterprises. It is used to transfer, distribute and control electrical energy for power, lightning and power distribution equipment. It has many advantages, such as good breaking capacity & dynamic thermal stability, flexible electrical program, convenient assembly, strong applicability, unique structure and high protection degree.

The model and meaning of GGD low voltage distribution switchgear.
Working conditions:

Temperature range: -5 °C to +40 °C, 24 h average temperature ≤ +35 °C.
Altitude: ≤ 2000 m, indoor application.
Relative humidity should not exceed 50% at the highest temperature +40 °C, higher relative humidity is allowed at low temperature (90% at +20 °C). Condensation may appear due to temperature change.
Gradient: ≤ 5°, vertical installation.
The workplaces should be free of severe vibration, chemical corrosion, fire and explosion.
Technical parameters
Type    Rated voltage (V)    Rated current (A)    Rated short-circuit breaking current (kA)    Rated short-time withstand current (1 s) (kA)    Rated peak withstand current (kA)
GGD1    380    A    1000    15    15    30
B    600 (630)
C    400
GGD2    380    A    1500 (1600)    30    30    63
B    1000
C    -
GGD3    380    A    3150    50    50    105
B    2500
C    2000

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