SURGE ARRESTER LY-C40/3P DC 1000V

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Specifications

1000V DC surge arrester
1.For PV system lightning protection
2.In:20kA,Imax:40kA
3.PE connection

1000V DC surge arrester

Specification:

Usage	Suitable for new energy solar power generation system
Protection degree	Class C
Poles	1P,2P,3P,4P
In	20kA
Imax	40kA
Un	1000V DC
Uc	1100V DC
Up	2.6kV

Features::

1. Plug in/out style surge protective device.

2. The color of visible window shows operating status.

3. Double protection of over-heat and over-current.

4. Have remote signal accessory, realize remote control.

Product photos:

SURGE ARRESTER LY-C40/3P DC 1000V

Q: After graduation, I was very confused in the end is what kind of security monitoring industry, in a lot of recruitment websites all can not find a suitable location, who can give me a specific introduction, in the end is what industry specific prospect?: Best answerWeak engineering category, but also belong to the construction class, the prospects, not to say, now a lot of big cities are almost saturated, small projects are not much.

Q: Our company is a trading company, the main security monitoring products, but not simple sales, in fact, but also for customer design, installation, debugging to collect. The costs involved are: 1, do the server with the computer (6000 yuan), 2 meters (2900 yuan) 3, all kinds of materials, accessories and so on 4 installation staff wages, travel expenses (field installation) and so on, ask you master, this situation should be used and what subjects to cost? How is the carrying cost? How about the entries? All the scores are presented.: You buy first, stock goods, should pay taxes and fees. Delivery installation can be done first in the construction of accounts receivable, and related subjects, to reduce inventory of goods, accessories can be assisted in cost accounting, labor costs. In construction, employee compensation payable. After completion of the project, the construction works will be carried out to confirm the income and the cost.

Q: Security surveillance camera, the camera's 60 shell and 90 shell difference is not 60, shell than 90 shell much smaller?: 60 and 90 are the diameter of the shell, and the 60 case is much smaller than the 90

Q: What are the security monitoring devices? Where can I get a reasonable price?: Security equipment includes:1. TV monitoring2. burglar alarm3. entrance guard management (entrance control)4. lightning protection and grounding5. electronic Patrol6. building intercom

Q: How much is the security monitoring business profit?: Monitoring business profit margins is roughly divided into three parts:1, security project construction, here moisture is relatively large, from 50%-500% Maori have, it depends on all kinds of relations tangled together, you know, Chinese people do engineering projects, no honest, just see how the money.

Q: What are the functions of security decoder, the main function and principle?: The pan head decoder refers to a pan head and a lens controller. Generally, the lens (camera) is mounted on the pan head, and the pan head can rotate up, down, left and right. The lens can zoom in and out (zoom), focus, change the aperture size and so on.

Q: What are the grades of security monitoring enterprises?: Security qualification is divided into grade one qualification, level two qualification, grade three qualification and undetermined grade, and some provinces have no undetermined rank. Among them, the undecided level is the lowest level, and the enterprise qualification evaluation is carried out in accordance with the principle of gradual promotion. So, the new company needs never to start grading or start applying at level three. Last time, Guangzhou Bo Hao to help us apply for an undetermined level, after the upgrade, we are assured to give us help to apply.

Q: What's the procedure for opening a security product company?: For sale. Because the landlord does not know about this, I think you are careful to enter the industry as well.

Q: What projects does security monitoring mean?: Security monitoring refers to the building intelligent system equipment installation project commonly used building intercom, infrared radiation, video real-time monitoring, and real-time alarm system.

Q: The rules and regulations and workflow of the enterprise in the daily security monitoring are required. Thank you ~ ~!: Enterprise rules and regulations should be based on specific circumstances, and generally have administrative, sales, technical department, engineering department, the specific rules and regulations of each branch.

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