DNH51 DC Knife Switch PV System PV Knife Switch manufacture
discuss personally
Model
| Brand | Switchgear parts |
| Model NO. | DNH51 DC Knife Switch PV System PV Knife Switch manufacture |
| Rated normal current | 125A |
| Series | DNH51 |
Multifunctional Mounting: Compatible with both DIN rail and screw installations, offering flexibility for various low-voltage switchgear setups.
Coverless Wiring Design: Allows for safe and quick connections without the need to remove a protective cover, simplifying the installation process.
Ergonomic Operation: The handle is ergonomically designed for easy manual operation, enabling smooth opening and closing of the switch.
Compact Size: Its space-saving design makes it ideal for tight photovoltaic installations and low-voltage distribution panels, helping to reduce costs.
High Flame Resistance: The housing is made from V0-grade flame-retardant material, ensuring excellent fire resistance in harsh working conditions.
The DNH51 DC switch features a housing made from V0-grade flame-retardant nylon, designed to perform reliably in temperatures ranging from -35°C to +70°C. Even in extreme conditions, it maintains its high durability and performance, making it a dependable and safe choice for photovoltaic DC applications.
secondly， The DC Knife switch pairs effortlessly with PV fuse holders like the DNPVF DC Fuse Holder and is suitable for use in a PV Combiner Box, enhancing the safety and efficiency of your solar power system.
| Rated Operating Current Ie (A) | Rated Operating Voltage Ue (V) | Rated Insulation Voltage Ui (V) | Rated Insulation Voltage Ui (V) |
| 32 | AC 400V/690V, DC 250V/440V | 800 | 4 |
| 40 | AC 400V/690V, DC 250V/440V | 800 | 4 |
| 63 | AC 400V/690V, DC 250V/440V | 800 | 4 |
| 80 | AC 400V/690V, DC 250V/440V | 800 | 4 |
| 100 | AC 400V/690V, DC 250V/440V | 800 | 4 |
| 125 | AC 400V/690V, DC 250V/440V | 800 | 4 |
