Jining Guolong Material Company

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Junction box
Mining high-voltage cable junction box
Low voltage junction box
Motor junction box
Telephone junction box
Explosion-proof junction box
Junction box
Junction box specifications
1. Product features:
The junction box is mainly composed of a flameproof shell (shell, cover), insulated terminal block, cable entry device, internal and external grounding, etc.
The shell and cover are connected with a flat explosion-proof surface through bolts and other fasteners
The terminal block is made of high-purity clay pressed, sintered and glazed, and has excellent electrical insulation properties.
2. Structural Introduction
The flameproof shell of the junction box is a steel plate structure, the cover adopts bolt crimping form, both sides are power lead terminals, and are equipped with control wire introduction devices. There are three main terminals in the housing, and the pressure plate on the terminal post crimps the cable head. The base is made of high-voltage electrical porcelain and is equipped with an auxiliary terminal block.
3. Scope of application
:, / series mine flameproof high-voltage cable junction boxes (hereinafter referred to as junction boxes) are suitable for underground coal mines containing explosive gas (methane) and coal dust mixtures, in AC, In power supply networks with voltages up to 100%, it is used for cable connections and branches in signal, lighting, and power equipment.
4. Technical parameters:
Model rated current
Rated voltage
Maximum outer diameter of lead-in cable
Number of passes (pieces)
/-~