少妇激情作爱视频-免费无码国产v片在线观看-女人高潮叫床三级视频-大屁股人妻女教师撅着屁股-丝袜人妻一区二区三区

HOME
ABOUT
- about us
- development
- join us
- Enterprise
- Installation
- Honor
NEWS
- Company
- Network
- Industry
PRODUCT
CASES
CULTURE
- Video
- Activities
- Union
CONTACT
- Service
- Contact

Cabinet

Low voltage cabinet -MNS

The device is a standard module by the factory assembly combination type low voltage switch cabinet (hereinafter referred to as the device, the device applicable to AC 50 ~ 60Hz, rated working voltage 660V and below the power supply system, used for power generation, transmission, distribution and electric energy conversion.
This unit load IEC60439-1999 and GB/T10233-2005 test method "low voltage switchgear equipment" national standard, JB/T9661 (ZBK36001) "the low voltage draw out type switch equipment" professional standard.

Success Case +

Chinese people's Liberation Army 66296 (Xinhua District, friendship, North Street, No. 70) district residents with electricity Shijiazhuang Nintaus Real Estate Development Company Limited (East District) District new residential electricity Qiaoxi District of Shijiazhuang City Housing Security Bureau (Honghe District) residential electricity project Shijiazhuang hair hung Real Estate Development Co. Ltd. (South Street West Camp Zhai Yuejin Kong living area) Hebei Yuchen Real Estate Development Company Limited (1# block, 2# block, district residents Huiqian) Hebei Poly Real Estate Development Co., Ltd. (Poly Garden E District) community residents of new workers A section of the Chengde section of Pingdingshan electromechanical six Shenyang Public International Hotel New 10KV substation Henderson Stone Garden Beach area power supply engineering Beijing to Huida real estate Changyang Fangshan District town Polytechnic University Station No. 3, No. 5 project National corn, wheat variety standard sample library and regional test station research building engineering Bmw Brilliance Automobile Ltd Engine Factory Foundry electrical construction general contracting Ningxia Shizuishan Huinong 100MW grid connected photovoltaic power generation project Office building of Liaoning branch of Bank of Communications Ltd 10KV Shenyang City, second thermal power station boiler new project Hebei Hua Shi Shijiazhuang Thermal Power Co., Ltd. 4*410t/h boiler denitrification transformation project Zhangwu Wuzhou fertilizer Fung Limited (two) 10KV Power Engineering ...

Certifications

Certificate
Certificate
Certificate
Type test report

Product description

This unit load IEC60439-1999 and GB/T10233-2005 test method "low voltage switchgear equipment" national standard, JB/T9661 (ZBK36001) "the low voltage draw out type switch equipment" professional standard.

technical parameter

Main circuit rated voltage V		Exchange 380, 660
Auxiliary circuit rated voltage V		AC 220, 380 DC 110, 220
Rated frequency HZ		50（60）
Rated insulation voltage V		660
Rated current A		≤4000
Rated current of vertical busbar A		1000
Bus rated short-time withstand current KA/Is		100
Bus rated peak withstand current KA/Is		220
Power frequency withstand voltage V/min	Main circuit	2500
	Auxiliary circuit	1760
a bus or bus bar	Three-phase four wire system	A、B、C、PEN
	Three-phase five wire system	A、B、C、N、PE
The main circuit connector A		250、400、630
The control circuit of A connector		10、20
Protection level		IP4X