Dfw12 Outdoor Opening and Closing Distribution Box

• Type: Switching Station
• Altitude: <=2000m
• Ambient Temperature: -35c-+40c
• Transport Package: Wooden Cases
• Trademark: DECHUN
• Origin: Jiangsu Changzhou
• Model NO.: DFW12
• Production Capacity: 300/Month

Product Description

DFW-12/24 Switching Station for Substation
Technical Specification:

No	Item	Unit	Paremeter
1	Rated voltage	KV	12	24
2	Rated current	A	630	630
3	Rated short time withstand current	KA/3S	20	20
4	Rated peak withstand current	KA/3S	50	50
5	Power frequency voltag/phase/to ground/fracture	KV	42/48	42/48
6	Lighting impulse withstand voltage	KV	85	85
7	Secondary circuit power frequency withstand voltage	KV	2	2
8	Rated current breaking times	Time	100	100
9	Rated cable breaking current	A	10	10
10	Rated closed-loop breaking current	A	630	630
11	Shell protection class		IP66	IP66
12	SF6 gas pressure(Relative absolute pressure)	KPa	40	40
13	SF6 gas leak rate		<1‰	<1‰
14	Equipped with cable cross section	mm²	<=400	<=400

Production Description:
DFW-12/24 switching station is applicable to 3.6-24kV three- phase AC 50HZ power grid cable system, which is mainly used for the substation and power distribution system of electric power distribution, control, protection,measurement and supervision.
Features:
The shell material is made of cold rolled steel plate, stainless steel plate, etc.
The top plate with double-layer structure,to prevent thermal radiation increase indoor temperature.
Perfect protection performance, convenient operation, ensure the safety of the maintenance;
Applicable conditions:
Altitude:≤2000m
Ambienttemperature:-35ºC~+40ºC
Relative humidity:
Daily average≤95%
Monthly average≤90%
Seismic capacity: 8 degrees