Product overview:
HXGN15-12 box type fixed metal enclosed ring main unit (ring main unit for short) is suitable for power system of AC 50Hz, 12kV.It' S widely used in industrial and civil cable ring network and power supply terminal.
Especially suitable for small secondary substations, switching stations, urban residential distribution, industrial and mining enterprises, shopping malls, airports, subways, wind power generation, hospitals, stadiums, railways and other places.
Model and meaning:

①Ring-main unit
②Box-type
③Fixed
④Indoor type
⑤Design No.
⑥Voltage grade
⑦Vacuum load switch (it s pneumatic load switch if without Z)
⑧Fuse combination unit
Service condition:
◇Altitude:≤1000m(special requirements can be noted when ordering, currently there are 6 groups operating at an altitude of 5200m).
◇Ambient temperature: -35°C ~+45°C , maximum daily average temperature difference≤25°C .
◇The average daily relative humidity shall not exceed 95%, and the average monthly relative humidity shall not exceed 90%.
◇Seismic capacity: 8 degrees.
◇In place of no severe vibration and impact and no fire, chemical corrosion or explosion hazard.
Executive standard:
◇GB3906-2006 Altermating-current metal-enclosed switchgear and controlgear for rated voltage above 3.6kV and up to and including 40.5kV
◇IEC 60298 A.C. metal-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV
◇GBT 11022-2011 Common specification for high-voltage switchgear and controlgear standards
Product feature:
◇Beautiful and compact appearance, the protection level of the shell is more than IP3X after the assembly of the cabinet.
◇The upper and lower units are modular and easy to install and maintain.
◇The cabinet rack adopts riveted structure to ensure the strength of the cabinet.
◇Integrated low voltage room for mounting secondary components and an expandable meter room for mounting more secondary protection units.
◇Pressure relief channels for installation are available.
◇It adopts SF6 gas insulated maintenance-free load switch, with good economical efficiency and reliabiliy.
◇Easy to operate.
◇With a complete five-prevention interlock device, high installation performance.
Technical parameter:

Outine size:

Structure diagram:

Ordering instruction:
Please specify when ordering:
◇The following technical data should be provided when ordering:
◇Main wiring solution number, purpose and single-line system drawing, rated voltage, rated current, rated short-circuit breaking current, distribution room layout drawing and switch cabinet arrangement drawing, etc.;
◇Requirements for the control, measurement and protection functions of the switchgear, as well as requirements and schematics for other locking and automatic devices;
◇Model, specification and quantity of the main electrical components in the switchgear;
◇When the switchgear is used in special environmental conditions, it should be specified when ordering;
◇Other special requirements must be explained and negotiated in detail in writing before ordering.