three phase four wire large current multi-channel output measuring box special junction box

three phase four wire large current multi-channel output measuring box special junction box

Product Detail

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 Structure features

Featured with small volume, large current carrying capacity, high withstanding voltage, reasonable structure, nice appearance, etc., this product has

many superior properties such as flame retardant, withstanding high temperature, no water absorption, wetness prevention, perfect insulation, impact

resistance, anti aging, etc..  

        Its cover plate is made of transparent material, assembled and disassembled conveniently, so, it attains the goal of transparence and visualization

as well as reliable power utilization.

Application

This product supports metering of various meter-position, after mounting, it not only avoids the problem of weak current, unsafe, inconvenience or

other potential accidents caused by service-entrance wire entering into bare copper bar directly, but also cuts down the cost of metering box. It can be

divided into single-pole (1P), single-phase (2P), three-phase three-wire (3P), three-phase four-wire (4P) according to the pole number; it can be divided

into one-outlet, two-outlet, three-outlet, four-outlet … twenty-four-outlet and so on according to the outlet wire condition.

Main technical parameter
 insulation voltage: 660V、50HZ/60HZ
Service-entrance conductor current (A/section mm2 100/25, 150/50,  250/120 ,300/150 400/240
Meter-entrance conductor current(A/section mm2 60-125/10-25(wire outgoing at eachcircuit)
 Power frequency withstand voltage: 3,000V/1min
Working temp.: -40℃~+160℃
Terminal-to-terminal/insulation resistance: >40MΩ

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