Wenzhou Zhehao Explosion proof Electric Co., Ltd. will change its registration to Zhehao Electric Co., Ltd. from April 7th, 2023
2024-07-02
Control button is a simple and widely used master electrical device. Mainly used for remote control of contactors, electromagnetic starters, relay coils, and other control circuits, it can also be used for electrical interlocking circuits, etc.
2024-07-01
Zhehao Electric: Technical parameters of explosion-proof control buttons Explosion proof signs: ExdeIIBT4/T5/T6, ExdeIICT4/T5/T6, DIP A20 TA, T4/T5/T6; Rated voltage (V): 380/220 Rated current (A): 10 Protection level: IP55 * IP65 Explosion proof mark: Exced II BT6 Inlet thread (G …
2024-06-12
Zhejiang Hao Explosion proof Electrical - Product Features of Explosion proof Control Buttons Cast aluminum alloy shell, surface spray coating Stainless steel exposed fasteners The overall structure is a composite type, with strong waterproof and dustproof capabilities. The buttons, indicator lights…
2024-06-08
Explosion proof electrical equipment is divided into two categories: Class I electrical equipment for underground coal mines Class II electrical equipment used in places other than mines
2024-06-07
Scope of Application Application Hazardous Gas Mixture Special Session: Zone 1, Zone 2 Explosive gas mixture: IIA、IIB Temperature group: T1-T6. Flammable dust environment zones 20, 21, and 22.
2024-05-18
Technical Features 1. Aluminum alloy shell is die cast, surface sprayed with plastic, and has a beautiful appearance; 2. Increased safety shell, module structure assembly, equipped with explosion-proof indicator lights, ammeters, voltmeters, buttons, and conversion switches inside; 3. Explosion proo…
2024-05-12
The ratio of the ignition current of gas and vapor explosive mixtures to the ignition current of methane explosive mixtures under specified test conditions. China stipulates that gas and vapor hazardous substances are classified as Class IIA, Class IIB, and Class IIC according to the ignition current ratio. The ignit…
2024-05-08
Classification of Hazardous Areas in Explosive Gas Environments: Different countries and regions classify explosion hazardous areas according to their respective standards. According to the frequency and duration of explosive gas mixtures, explosive gas environments in China are divided into Zone O, Zone 1, and Zone…
2024-05-06
The performance of the explosion-proof control box complies with JB/T8528-1997<; Regulations on Technical Conditions for Ordinary Valve Electric Devices. The performance of explosion-proof type complies with GB3836.1-2000<; General Requirements for Explosion proof Electrical Equipment Used in Explosive Environm…
2024-04-13
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