Overview
DNH19 series products are DC load disconnectors. They can ensure the disconnection and connection of DC circuits under load, as well as safety isolation. They are mainly used in the field of photovoltaic systems. The rated voltage can reach 1500VDC and the maximum current can reach 630A.
* Various current shells optional
* Adopt flame retardant V0 grade material
* Adopt T2 grade copper material
* Supports two installation methods: installation outside the cabinet and installation inside the cabinet
* With observation window, obvious disconnection mark, enhance the safety of use
* Contact embossing design, increase the contact surface to ensure the performance
* Handle with lock function
Parameter
| Model | DNH19-250/4 | DNH19-400/4 | DNH19-630/4 |
| Rated voltage Ue V | DC1500V/DC1000V | ||
| Rated current | 100A,160A,200A,250A | 315A,400A | 500A,630A |
| Rated insulation voltage | DC1500V | ||
| Rated making and breaking capacity | DC-21B | ||
| Installation category | 4 | ||
| Rated short-time withstand current Icw/1s | 6kA | 10kA | 12kA |
| Rated impulse withstand voltage Uimp | 12kV | ||
| Rated short-circuit making capacity (Icm) | 10kA | 13.6kA | 13.6kA |
Detail
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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 !