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| Add Time： | 2016-08-21 15:32:51 |
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Product description:
CFW-3A is a high-strength closed busbar, it is due to the use of rectangular copper conductor, large current capacity, low voltage drop, the flame retardant insulation material, metal enclosed protection, electric performance and mechanical performance, safe and reliable use, convenient installation and maintenance, small size, beautiful appearance, and the process of industrial plant and changeable the high-rise building has good requirements on the appearance is a very suitable distribution mode.
Meet the standard
1, GB1497........................ "basic standards for low-voltage electrical appliances
2, GB4942.2........................ "low voltage electrical enclosure protection level"
3, GB5585.1~5585.3.................. "electrical copper, aluminum and its alloy bus"
4, GB7251.2.................. "low voltage switchgear and control equipment
5, IEC439-2......: "low voltage switchgear and control devices in the second part of the busbar trunking system special requirements"
6, ZBK36.002-89...... (......)...... "bus trunking (bus trunk system)"
7, ZBK36.003-89........................ "dense insulated bus slot"
The connecting part structure is connected with a straight line segment
Main technical parameters
1, rated insulation voltage:...,...,...,...,.660V
2, rated working voltage:...,...,...,...,.380V
3, the rated frequency of...,...,...,...,..50Hz
4, rated working current:...,...,...,...,..100A-2000A
5, insulation grade:......,......,......,......,.B
6, the dielectric strength of the......:::::...... bus slot unit to withstand sine AC 3750V power
Dielectric strength test, which lasted 1min without breakdown
Flashover
7, short circuit withstand current...,...,...,...,...,..30KA
8, protection circuit continuity........................................... Casing of any unpainted point and the ground terminal
The connection resistance between the son shall not exceed 0.1Ω
8, the protection of grade:...... (GB4942.2:...................IP40 (...)
