Nh Disconnect Switch Hr18 3p Nh00 Nh0 Nh1 Nh2 Nh3 Switch Disconnector
DNH7 series NH fuse switch disconnector is applicable to high short circuit current circuit with AC 50(60)Hz, voltage up to 660V and rated working currentup t0 630A. Fuse Switch disconnector possesses upper and lower end input and output structure. Lead in equipment with knife-edge and arcextinguish......
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Product Description
DNH7 series NH fuse switch disconnector is applicable to high short circuit current circuit with AC 50(60)Hz, voltage up to 660V and rated working current
up t0 630A. Fuse Switch disconnector possesses upper and lower end input and output structure. Lead in equipment with knife-edge and arc
extinguishing equipment, and also can be operated with load. It is used as power switch, fuse switch disconnector and emergency switch, and for
protecting current.
| Model | DNH7-160 | DNH7-250 | DNH7-400 | DNH7-630 |
| Fuse | NH00(NT00) | NH1(NT1) | NH2(NT2) | NH3(NT3) |
| Rated operational voltage | 400V | 400V | 400V | 400V |
| Max current | 160A | 250A | 400A | 630A |
| Rated insulation voltage | 1000V | |||
| Rated impulse withstand voltage | 8000V | |||
| Fuse protected short circuit making | 50kA/ms | |||
| Rated making and breaking capacity | AC22B | AC22B | AC22B | AC22B |
| Rated frequency Hz | 50/60 | 50/60 | 50/60 | 50/60 |
| Power loss at Im without fuse-link/phase W | 12W | 23W | 34W | 48W |
| Degree of protection | IP20 | IP20 | IP20 | |
Detail
Company Information
Zhejiang GRL Electric Co.,Ltd. was founded in 2003, is a professional manufacturer which is specialized in the researches, manufactures and sales.
The products of GRL include low-voltage busbar system,disconnector switch, fuse switch disconnector,knife switch,automatic changeover switches etc.
The products are widely used in electricity, construction, photovoltaic, and other industries of the low-voltage distribution system and industrial control system.
Exhibition
FAQ
1 How long is your products warranty ?
A: The warranty period of our products is 18 months.
2 What is the material of your products?
A: The plastic is class V0 of inflaming retarding.
3 How about inspection?
A: We have the whole inspection system from raw material to end products include temperature rise test,salt spraying test conductor type test,mechanical life test.
4 What do you have for certificate?
A: Our products are passed through IEC60947-3 and IEC60269-2 standarded.
5 What is payment terms?
A: T.T,Paypal,Western Union and L/C isacceptable.
6 What is the service offered by company?
A: We have the professional enginer team which can design and develop the mold to arrive different customer nequirement.
We also have the sales team to offer good service from pre-sale to after-sale.
7 How to become the agents for GRL?
A: It is OK! We will depend on the sales turn over and also do research on your market. If your have interest,let us discuss more !
