| Categories | Fuse Switch Disconnector |
| Model | DNH1 |
| Frequency | 50/60Hz |
| Pole | 2P 3P |
| Mechanism | 1700 1400 800 |
| Positive | IP20 IP30 |
| Ambient temperaturre | -5~+55℃ |
| Working model | Continuous uninterrupted |
| Operate | Handle |
| Installation from | Vertical |
Product overview
DNH1 series fuse switch disconnectors with load operation is applied to rated current 40A~630A, can be mounted on the bus, and can also be mounted tothe mounting plate.Having the upper and lower end of the input and output structu re. with blade introduced and arc extinguish device. switch with occasional closed test holes in cover, built-in signal switching, detection switch, optional fuse monitors.and also do the knife switch use.
Model Meaning
| Model No. | Poles | Dimension | Installation(mm) | |||||
| A | B | C | D | a | b | Φc | ||
| HR17-40 | 2 | 56 | 166 | 76 | 150 | 25 | - | Φ6 |
| 3 | 77 | 116 | 76 | 150 | 44 | - | Φ6 | |
| HR17-100 | 2 | 74 | 121 | 76 | 150 | 31 | - | Φ6 |
| 3 | 105 | 121 | 76 | 150 | 62 | - | Φ6 | |
| DNH1-160 | 3 | 111 | 200 | 83 | 205 | 66 | 25 | Φ7 |
| DNH1-250 | 3 | 185 | 247 | 110 | 295 | 114 | 50 | Φ11 |
| DNH1-400 | 3 | 210 | 290 | 125 | 340 | 130 | 50 | Φ11 |
| DNH1-630 | 3 | 256 | 300 | 145 | 360 | 162 | 50 | Φ11 |
| DNH1-630B | 3 | 166 | 288 | 128 | 335 | 120 | 50 | Φ11 |
Principal technical specfication
Cable Connection Terminal
> What's the Right Circuit Breaker for Different Household Electrical Scenarios?
Choosing a household circuit breaker isn't one-size-fits-all. A breaker that works for bedroom lights may not be safe for kitchen appliances, and one for dry spaces ...
> What Key Factors Should You Consider When Choosing a Relay for Low-Voltage Electrical Systems?
In low-voltage electrical systems—whether for residential smart homes or small commercial setups—devices that manage current flow safely are critical. One component ...
> Worried About Lightning Damaging Your Equipment? Use SPD Surge Protective Device to Protect It
Summer thunderstorms, lightning-induced power surges, and even large appliance startups can send harmful voltage spikes through your electrical system. These spikes ...
> Can I Use a DC Fuse on an AC Circuit?
f you’re new to the world of electronics, you’ve probably encountered a common question: Can I use a DC fuse on an AC circuit? This might seem like a simple query, b...