| Muhimmiya | Switchgear parts |
| Model NO. | 2000-2500A DNH40 Series Disconnector Switch |
| Rated Voltage | AC 1000V |
| Raitidu kọ̀ọ̀kan | 2000A |
| Rated Frequency | 50Hz |
| Siri | DNH40 |
Siriya DNH40 ta da kayan aiki mai modula wanda ake iya gudanar da ita a cikin yanayin mawakin masu bukatar.
Kayan aiki na siriya ta samun resin na polyester na unsaturated da ake kashe da fiber na glass, wanda ya ba shi nasarorin dole, karamin kofin, kuma alaƙarwa ga karamin kofin da kuma alaƙarwa ga karshen ƙarami.
An fito shi da mekanisim na double spring energy storage, wanda ya ba shi nasarorin dole don koyar da spring a lokacin da ake yi aiki, wanda ya ba shi nasarorin koyar da shiga da kusa. Wannan mekanisim ba ne da muhimmanci game da rike ƙaramin kofin, amma ya saukar da kyakkyawan aiki.
Yanayin moving contact yana da nasarorin dole don koyar da visibility through a window, wanda ya ba shi nasarorin dole don koyar da safe operation.
Siriya ta da ON/OFF indicator. A lokacin da shi yake a “O” position, ana iya koyar da handle don koyar da accidental operation.
1、Machinery and Equipment
Suitable for machinery that requires infrequent connection and disconnection of circuits. The reliable isolation ensures safety during maintenance and operation.
2、Distribution Systems
Used in electrical distribution systems to isolate different sections for maintenance or in case of a fault. Ensures the safety of personnel and equipment.
3、Switchgear and Control Panels
Integral to switchgear and control panels for safe isolation of circuits. Ensures that operators can safely work on electrical panels without the risk of electric shock.
4、Motor Control Centers
Provides isolation for motor control circuits, allowing safe maintenance and operation. Essential in industrial environments where motor control is critical.
5、Photovoltaic Systems
Used in photovoltaic systems to isolate parts of the system for maintenance, ensuring safety and reliability in renewable energy setups.
| Model | DNH40 - 2000 | DNH40 - 2500 | |
| Conventional thermal current and rated operational current | A | 2000 | 2500 |
| Rated operational voltage (AC - 20/DC - 20) | V | 1000 | 1000 |
| Rated insulation voltage (Installation category Ⅳ) | Ui V | 1000 | 1000 |
| Dielectric strength | 50Hz 1min kV | 10 | 10 |
| Rated impulse withstand voltage | Uimp kV | 12 | 12 |
| Rated operational current (AC - 21A) | 690V A | 2000 | 2500 |
| Rated operational current (AC - 22A) | 690V A | 2000 | 2500 |
| Power loss per pole (at rated operational current) | W | 55 | 85 |
| Rated short - time withstand current | ≤690V1s kA | 55 | 55 |
| Rated short - circuit making capacity | ≤ 690V kA | 176 | 176 |
| Mechanical life | Oper | 6000 | 6000 |
| Operating torque (3 - pole) | Nm | 70 | 70 |
| Terminal screw specification | mm | M12 | M12 |
| Terminal tightening torque | Locking torque Nm | 50~75 | 50~75 |