GGD Alternating Current Low Pressure Switchbox

Product Description

GGD alternating current low pressure switchbox is suited for alternating current 50Hz, nominal working voltage 380V, rated working current 3,150A of power station, electric substation, industrial and mining establishment. It is used for electric energy transfer, distributing and control of power, lighting and distributing facility.

Constitutional features:
GGD alternating current low pressure switchbox made from "FA28" model material or "c" model low-alloy channel steel, which have high breaking capacity, good hot stability, electric project agility, easy assembly, strong practicability, attractive frame, high degree of protection. It conforms with GB7251-97 and IEC439-1 standards.

Main technical parameter:
1) Main circuit nominal insulation voltage: 660V
2) Main circuit nominal voltage: AC 380V
3) Auxiliary circuit nominal voltage: AC 220V, 380V, DC 110V, 220V
4) Rated frequency: 50 / 60Hz
5) Rated current (main bus): <3,150A
6) Nominal short time withstand current (IS): 50kA, 80kA
7) Nominal peak reliability current: 105kA, 176kA
8) Power frequency test voltage:
9) Main circuit: 2,500V/min
10) Auxiliary circuit: 1,760V/min
11) Peel level of protection: IP3LO, IP4LO

Order instructions:
1) Circuit project, signal system diagram and solid wire system diagram
2) Arranged diagram of switchbox and the floor plan diagram of switch room
3) Sensitive electronic components list in box
4) Adjustment variable as voltage, current, time etc in circuit
5) The location and dimension of earth wire
6) About other requirements, please explained in order

Usage condition:
1) Used in house, working altitude limit it of 2,000m
2) Ambient relative humidity which is 40°C of the highest temperature not over 50%, allow for stronger relative humidity in lower temperature ,consider of condensation at haphazard for the change of temperature
3) No shock and bump and the fixing inclination pitch no over 5%