630-800A DNH40 Series Disconnector Switch

Siri DNH40 (na gaba da "siri") yana da muhimmanci a cikin hanyar tattalin arziki na karkashin abubuwa da AC 50Hz/60Hz da rarrabe na tsari mai kyau zuwa 1000V. Ana sanya shi don tattalin jirgin ruwa da kuma babban zama, kuma ana yi amfani da shi a fannin gwamnati, tattalin arziki, tsafta, kimiyar da kuma hanyoyin zaman lafiya.

Muhimman Mafi Sira na Siri

1、Modular Design

Siri DNH40 tana da muhimmiyar yanayi wanda ake iya gudanar da su kan kisan adadin mallaki.

2、Durable Construction

Kafin siri tana da glass fiber-reinforced unsaturated polyester resin, wanda tana da muhimmiyar yanayi masu hankali, kwallonsa, da kuma sauran alama masu mahimmanci.

3、Efficient Operating Mechanism

Ake fito da double spring energy storage mechanism, wanda tana iya haɗa da takalma ta hanyar samun yanayi daga spring, tare da ingantacce. Wannan yanayi tana da muhimmiyar yanayi masu hankali, kuma tana da muhimmiyar yanayi masu hankali.

4、Rotary Contact Structure

Yanayin multi-breakpoint contact tana da muhimmiyar yanayi masu hankali, tare da muhimmiyar yanayi masu hankali.

5、Visual Indicator

Wata moving contact tana da muhimmiyar yanayi masu hankali, tare da muhimmiyar yanayi masu hankali.

6、Clear Status Indication

Siri tana da muhimmiyar yanayi masu hankali, tare da muhimmiyar yanayi masu hankali. Idan an koye handle a wurin "O", tana iya haɗa da takalma ta hanyar samun yanayi.

2、Distribution Systems

Yana da muhimmiyar yanayi masu hankali a cikin hanyar tattalin arziki, tare da muhimmiyar yanayi masu hankali.

3、Switchgear and Control Panels

Yana da muhimmiyar yanayi masu hankali a cikin hanyar tattalin arziki, tare da muhimmiyar yanayi masu hankali.

4、Motor Control Centers

Yana da muhimmiyar yanayi masu hankali a cikin hanyar tattalin arziki, tare da muhimmiyar yanayi masu hankali.

5、Photovoltaic Systems

Yana da muhimmiyar yanayi masu hankali a cikin hanyar tattalin arziki, tare da muhimmiyar yanayi masu hankali.

Key Technical Parameters

Model	DNH40 - 630	DNH40 - 800
Conventional thermal current and rated operational current（A）	630	800
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）	630	800
Rated operational current (AC - 22A) 690V（A）	630	800
Rated operational current (AC - 23A) 690V（A）	630	800
Power loss per pole (at rated operational current)（W）	25	40
Rated short - time withstand current ≤ 690V1s（kA）	20	20
Rated short - circuit making capacity ≤ 690V（kA）	80	80
Mechanical life（Oper）	6000	6000
Operating torque (3 - pole)（Nm）	27	27
Terminal screw specification（mm）	M12×40	M12×40
Terminal tightening torque Locking torque（Nm）	50 ~ 75	50 ~ 75

Normal Operating Conditions

Item	Details
Ambient Temperature	Range: - 5℃ to + 40℃, with a 24 - hour average temperature not exceeding + 35℃
Humidity	At maximum temperature (+ 40℃), relative humidity ≤ 50%. At lower temperatures (e.g., + 20℃), 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℃ or below - 5℃, the user must consult the manufacturer.