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2000-2500A DNH40 Series Disconnector Switch

  • 2000-2500A DNH40 Series Disconnector Switch

Abubuwa gaba

Muhimmiya Switchgear parts
Model NO. 2000-2500A DNH40 Series Disconnector Switch
Rated Voltage AC 1000V
Raitidu kọ̀ọ̀kan 2500A
Rated Frequency 50Hz
Siri DNH40

Bayani na sayen daga mai wuyaci

Sharararwa

Siriya DNH40 (a sani da za a tattauna "siriya") yana daidaita wa a tattalin arziki na karkashin abincin 50Hz/60Hz da ingancin karamin kofin 1000V. Ana gina shi don ya baka da ya kusa hanyar tattalin arzikin kafin kusa, da kuma zama mai mahimmanci a cikin karkashin gwamnati, kasa, tsirrai, kimiyar lada, da kuma gwamnatin automatika.

Mutane na Siriya

1、Modular Design

Siriya DNH40 ta da kayan aiki mai modula wanda ake iya gudanar da ita a cikin yanayin mawakin masu bukatar.

2、Durable Construction

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.

3、Efficient Operating Mechanism

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.

4、Rotary Contact Structure

Kayan aiki na rotary multi-breakpoint contact structure ya ba shi nasarorin dole don koyar da safe isolation distance, wanda ya daidaita waɗannan mutanen da suka fi sani.

5、Visual Indicator

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.

6、Clear Status Indication

Siriya ta da ON/OFF indicator. A lokacin da shi yake a “O” position, ana iya koyar da handle don koyar da accidental operation.

Application of Isolator Switches

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.

Key Technical Parameters

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
 Normal Operating Conditions
Ambient Temperature Range: -5°C to +40°C, with a 24-hour average temperature not exceeding +35°C
Humidity At maximum temperature (+40°C), relative humidity ≤ 50%. At lower temperatures (e.g., +20°C), higher humidity (up to 90%) is permissible. Special measures must be taken to address occasional condensation caused by temperature fluctuations.
Altitude ≤2000m
Pollution Degree III
Installation Category IV
Installation Requirements The switch must be installed in a location free from significant vibration, mechanical shock, or exposure to rain/snow. The installation site must be free of explosive hazardous substances and corrosive gases/dust that could damage metal or insulation.
Note If the switch is intended for use in ambient temperatures exceeding +40°C or below -5°C, the user must consult the manufacturer.

Maimakanta mai inganci
Kayan da ke zuwa
kima mai yiwuwa da wata
Waktu na kirma
100.0%
≤4h
Gaskiya ta hanyar kamfanin
Workplace: 1000m² Jami'a nanan mafi girma: Zama-zama na Farko da aka Fitowa a Shekarar (USD): 300000000
Workplace: 1000m²
Jami'a nanan mafi girma:
Zama-zama na Farko da aka Fitowa a Shekarar (USD): 300000000
Aiki
Turanci Masana: Sallar
Ƙananunan Cigaba: Aakwụkwọ ọnụọgụ/Gwadàbwata/Gwọ́n ọkụ̀ àbálòpà/Low voltage electrical equipment/Maimaitar da kimiyya/Ajiyayi na farko/Kọ̀mọ́ àwọn ẹ̀ka ìjìnlẹ̀ ènìyàn
Mafarkin tsoro na yawan kulle
Kayan aiki na alaka da amfani, yin amfani, gyara-gyaran da kuma pasuwa na kayan karkashin yanayi, suka kentuwa da kaiwansu masu iko, ingantacciyar hankali da kuma amfani mai kyau.
mabudin aikatan kayan dabbobi sun dawo da idoni masu iko da ma'ajiriyya, sannan suka tabbata inganci, kwayoyin uku da na'ibbicci ne daga babban kayan aikin

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