HYJL-12 High Voltage Metering Cabinet (box)

HYJL-12 high voltage metering cabinet (box) (hereinafter referred to as "floor type metering box "), suitable for AC three-phase AC 50Hz, rated voltage 10kV power system as a high voltage cable into the user's electric energy metering, can be installed in parks, residential communities, industrial and mining areas of the roadside lawn, can directly open the door to see the bottom of the meter and local circuit breaker switching operation.

The floor type measuring box is mainly composed of vacuum circuit breaker, cast type combined CT, lightning arrester, live display and intelligent control device, etc. The measuring mode is three-phase three-phase system and three-phase four-wire system, which can be configured with zero sequence current transformer for grounding protection. The floor type metering box conforms to GB/T 1984-2014 "High voltage AC Circuit breaker", DL/T 402-2016 "High voltage AC Circuit breaker", DL/T 403-2000 "12kV~40.5kV High voltage vacuum circuit breaker ordering technical conditions", GB/T 17201-2007 "Combined transformer" and DL/T 721-2013 "Distribution automation system remote terminal" and other technical standards.

□ Normal operating conditions

◇ Altitude: not more than 1000m, if the altitude is higher than 1000m, the rated insulation level should be corrected accordingly;

◇ Ambient temperature: upper limit +45℃, lower limit -40℃, maximum daily temperature difference 25K;

◇ Humidity: average daily relative humidity ≤95%, average monthly relative humidity ≤90%;

◇ Solar radiation intensity: 0.1Wcm2;

◇ Wind speed: 34m/ s;

◇ Wind pressure: 700Pa;

◇ Pollution grade: e level;

◇ Ice thickness: ≤10mm;

◇ Withstand earthquake resistance: horizontal acceleration 0.3g, vertical acceleration 0.2g.

□ Structural characteristics

◇ Small footprint, less investment, cost-effective;

◇ With automatic power supply, data processing, display, storage, alarm and automatic power off functions;

◇ Equipped with anti-theft device, can reduce unnecessary power loss for the power system;

◇ With pre-payment function to avoid users defaulting on electricity bills;

◇ The box is stainless steel floor structure, beautiful appearance and easy installation.