Outdoor Stainless Steel Waterproof Distribution Box
Overview
JP series outdoor integrated distribution box is an outdoor integrated distribution device integrating metering,outgoing line and reactive power compensation.It has the function of short circuit,overload,overvoltage,leakage protection,etc.It is small in size,beautiful in appearance,economical and practical.It is installed on the pole of outdoor transformer and is an ideal distribution product for urban and rutal power grid reconstruction.
Type meaning
Normal use environment
◇Ambient temperature:-25℃~+40℃;
◇Air relative humidity:daily average value is not than 90%,and monthly average value is not more than 90%’;
◇Altitude:no more than 2000m;
◇Installation in places without violent vibration and impact and corrosive gas.
Design features
The box structure is divided into vertical and horizontal.The shell is made of 2mm high-quaility stainless steel plate and bent by multiple folding process(or made of honeycomb structure stainless steel double sandwich composite plate with flame retardant,environmental protection,heat insulation,anti-condensation and other properties).The special stainless steel welding process is adopted.After the box is formed,the overall strength is high,and the surface is bright and clean as a mirror,leaving no weld trace;Internal installation beams(plates) are treated by not dip galvanizing process to ensure no corrosion within 20 years;The front and rear doors of the box body are opened to facilitate the user’s operation and maintenance.The doors are surrounded by high-elastic aging-resistant sealing strips.Each door is equipped with light and dark door device;The side of the box body is provided with with rain-proof and foreign matter-proof incoming cable penetrating pipes,the bottom is punched with ventilation holes and cable outlet holes,and the top is provided with ventilation ducts and silk screens,which have waterproof,rust-proof,dust-proof and foreign matter-proof funtions,amd the protection grade is IP54.
Main technical parameters
No. | Name | Unit | Parameter |
1 | Transformer capacity |
KVA |
30-400 |
2 | Rated voltage |
V |
AC400 |
3 | Operating voltage of auxiliary loop |
V |
AC220 .AC380 |
4 | Rated frequency |
Hz |
50 |
5 | Rated current |
A |
≤630 |
6 | Rated leakage current |
mA |
30 -300 |
7 | IP |
IP54 |
Scheme diagram of main circuit
Overall dimensions of box
overall dimensions of horizontal box
Transformer capacity | Scheme number | L | W | H |
30~100kVA | 01、06 | 800 | 450 | 700 |
30~250kVA | 02、04、07、09 | 900 | 500 | 700 |
100~400kVA | 03、05、08、10 | 1100 | 600 | 800 |
Overall dimensions of vertical box
Transformer capacity | Scheme number | L | W | H |
30~100kVA | 01、06 | 600 | 450 | 1000 |
30~250kVA | 02、04、07、09 | 700 | 500 | 1000 |
100~400kVA | 03、05、08、10 | 800 | 600 | 1000 |
Schematic diagram of box structure
Figure 1:Schematic diagram of outdoor box structure(horizontal)
1.The incoming cable passes through the pipe 2.Door lock 3.Door lock rainproof box 4.Door lock(secret lock)
5.Current sransformer 6.Meter 7.Junction box 8.Capacitor 9.Switch capacitor contactor 10.Small circuit breaker
11.Zero sequence transformer 12.Leakage relay 13.Outgoing AC contactor 14.Outlet air switch
Figure 2:Schematic diagram of outdoor box structure(vertical)
Scheme diagram of main circuit
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