DBX Series
Electric Energy Metering Cabinet
Introduction
DBX Series Electric Energy Metering Cabinet is suitable (also known as meter box, or metering box) for a power grid system (three-phase five-wire) with a voltage of 220VAC (50Hz). As a device for measuring electrical energy, DBX series meets the GB7251.3 standard. The doors of DBX series are equipped with lead-sealed posts, and the small doors are equipped with observation windows to facilitate observation and management. The surface coating of DBX series adopts plastic spraying process, and the surface color can be customized.
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Basic Parameters
Rated insulation voltage: 500V
Rated operating voltage (main circuit): 200V
Rated frequency: 50Hz
Maximum allowable current (single-phase watt-hour meter): 40A
Rated short-time withstand current: 4.5/6KA
Application Environment
Ambient temperature: -5℃~+40℃, the average value of 24h does not exceed +35℃
Altitude: ≤2000m
Relative humidity: monthly average ≤90% (the average temperature of the month is +25℃); relative humidity ≤50% (when the ambient temperature is +40℃). The relative humidity is related to the ambient temperature. The lower the ambient temperature, the higher the allowable relative humidity. For condensation caused by temperature changes, take appropriate protective measures (such as adding drainage holes).
Installation site: no severe impact, no serious pollution and chemical corrosion, no conductive dust or explosion hazard. And the vertical inclination of the circuit breaker cannot exceed 5°.
* If you need to customize according to your special needs, please contact us.
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