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General> Technical data
 Application
area
 Suitable
for Power Centers(PCs), Motor Control
Centers(MCCs) and Main Distribution Boards(MDBs)
Service
Rating: 211 to 333
Reference
standard: IEC 60439-1
Installation
– indoor
Environment
(EMC) – type 2
Cable
entries: top/botton
Access
to the connections: front/rear |
Okken: Works in progress |
Mechanical data
Degree
of protection: IP 31/IP42; IK10
Form of
separation: 2b/3b/4a/4b
Withdrawability:
FFF/WFD/WFW/WWW
Dimensions
(referring to one cubicle):
Height
2200/2350
Width
650/900/1000/1100/1150/1300
Depth
600/1000/1200/1400
Average
weight (per cubicle):650 kg
Coating:
epoxy/ polyester powder(SP03) polymerized>
50µ
Color:
RAL1000(Okken standard), or any other color on
request
Electrical
data
Rated
insulation voltage 1000V
Rated
operational voltage 690VAC (50/60Hz)
Rated
impulse withstand 12kV
Overvoltage
category: IV
Pollution
degree: 3
Main
busbar rated current: 7300A
Distribution
busbar rating: 4000/2100/1500A (depending on the
design)
Rated
short time current: 50/80/100/150kA – 1s
(short-circuit test)
Rated
peak current: 110/176/220/330 kA
Rated
conditional short-circuit current – up to
150kA
Personnel
protection against internal arc – 110kA/0,3s
(IEC 61641)
Earthing
schemes: TT/IT/TNS/TNC
Limit
for incoming CB – 6300A
Limit
for outgoing distribution feeders – 6300A
Limit
for motor starters 250kW at 400/415V |
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