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VacClad-W 38 kV arc-resistant, metal-clad, medium-voltage switchgear

VacClad-W arc-resistant switchgear is a metal-clad, medium-voltage switchgear designed to safely contain and redirect the thermal energy and blast from an arc fault, should one occur, regardless of the originating location of the arc.  The 38 kV VacClad-W arc-resistant switchgear has a Type 2 rating with an arc-flash boundary of zero, offering enhanced safety.

VOLTAGE CLASS
Up to 38 kV
CONTINUOUS CURRENT
up to 3000 A
INTERRUPT RATING
up to 40 kAIC

Temel Özellikler

  • Certified arc-resistant Type 2 as per IEEE C37.20.7
  • Compartmentalised, metal-clad design conforming to IEEE C37.20.2 and CSA C22.2 No. 31-14
  • Horizontal drawout circuit breakers and VT/CPT drawers
  • Provided with mechanical interlocks for proper operating sequence
  • Insulated bus conductors and connections throughout
  • Protection and metering as per customer’s specifications
  • Rated for indoor applications
  • CSA or CSA(US) available for most ratings
Teknik Özellikler

Ratings

RATED MAXIMUM VOLTAGE
38 kV
CONTINUOUS CURRENT
1200 A  to 2500 A, 3000 A fan-cooled
INTERRUPT RATING
Up to 40 kA rms symmetrical
BASIC IMPULSE LEVEL (BIL)
27 kV class-170 kV peak

Standards

ANSI/IEEE STANDARD C37.20.2 & C37.20.7 (Type 2)
CSA
C22.2 No. 31-14
THIRD-PARTY APPROVAL/RECOGNITION CSA or CSA(US)  available for most ratings
SEISMIC QUALIFICATION IBC, CBC

Enclosure

ACCESS
Front & rear required
INSULATING MEDIUM Air
BUS INSULATION Epoxy (fluidised bed)
BUS SUPPORTS Glass polyester
ENCLOSURE TYPE Indoor
INDOOR SECTION DIMENSIONS (TYPICAL) 1067mm (42”) w x 3300mm (130”) d x 3556mm (140”) h

Devices

SWITCHING DEVICE Vacuum circuit breaker
DEVICE MOUNTING Drawout

Application data

HEAT LOSS Heat loss data
WEIGHTS
Weights table
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