Letter/Number

Meaning

K

Metal enclosed armor type

Y

Removable type

N

indoor

28A

Design serial number

12

Rated HV(kV)

□(Armored removable)

Primary circuit scheme

□(enclosed switchgear)

Environmental characteristic code

Application field

Core adaptation advantages

industrial plant

Resistant to dust and corrosion,with a handcart design that facitates quick and easy maintenance

High rise buildings/commercial complexes

Compactlayout saves space,five prevention interlocking ensures personnel safety

10kV substation/switching station

High short-circuit breaking capacity,inteligent interface adapted to power grid dispatch

Data Center/Hospital

Non pow er outage maintenance characteristics ensure the continuity of pow er supply for critical loads

Mining/RailTransit

Resistant to vibration and impact,adaptable to harsh operating environments

Parameter

Standard value

rated voltage

12KV

rated frequency

50/60Hz

rated current

630A/1250A/2000A/3150A

Rated short-circuit breaking current

20kA/25kA/31.5kA

Protection level

IP 3X(cabinet)/IP 2X(cabinet door open)

Operation method

Manual /Electric(optional)

Applicable altitude

≤1000m(customizable at high
atitude)

operating Temperature

-15℃~+40℃