LV Main Switchboard (MSB)

Low Voltage Main Switchboard From Powerwell

LV Main Switchboard (MSB)

  • ASTA Full Type Tested Main Switchboard
    – From 600A up to 6000A.
    – Short Circuit Withstand of main busbar up to 100kA
    – Tested to Form 4B Construction
    – Tested to IP 43 Protection
  • Arcing Fault Containment Tested Assembly
    – Tested to AS 3439-1 in Accordance with IEC 61641
    – To Verify the Effectiveness of Form 4B Construction
    – To Assess the Ability of Assembly to Limit Risk of
    – Injury Resulting from Internal Arcing Fault.
  • Asta Full Type Fully Withdrawable Motor Control Center.
  • BS EN ISO 90001:2000 Certified Company
  • Assembly Form Segregation up to Form 4B

Specifications

Standards and Testing
StandardsLow-Voltage switchgear and control assemblies
IEC 61439-1
Part 1 : General rules
Low-Voltage switchgear and control assemblies
IEC 61439-2
Part 2 : Powe switchgear and controlgear assemblies
Enclosed low-voltage switchgear and controlgear assmblies
IEC/TR61641
Guide for testing under condition of arcing due to internal fault
Test CertificateASTA certificates of Verification Tests to IEC 61439-2 issued by intertek (UK)
ASTA certificates of internal Fault Tests to IEC/TR 61641 issued by intertek (UK)
kA Testing Facility (UK) certificates of Verification Tests to IEC 61439-2
Electrical Data
Rated VoltagesRated insulation voltage UI
Up to 1000V 3~
Rated operating voltage Ue
415V 3~
Rated impulse withstand voltage Uimp
8kV
Degree of pollution
3
Rated frequency
Up to 60Hz
Rated CurrentsMain Horizontal Busbars :
Main Horizontal Busbars :
Rated current Ie
Up to 6000 A
Rated peak withstand current Ipk
Up to 220 kA
Rated short-time withstand current Ic
Up to 110 kA
Rated Device Current
Conditional short-circuit current (Icc)Up to 70 kA
Mechanical Characteristics
DimensionsHeight
2200 mm
Width
250, 350, 550, 750, 1000, 1200 mm
Depth
1000, 1275 mm
Sheet Metal (Mild Steel / Galvanized)
Frame
2.3 mm
Door and entry plate
2.0 mm
Thickness
Internal partition
1.5 mm
Surface Treatment
Enclosure
Powder coated RAL 7035, light-grey
IP Degrees of Protection
Internal Separation : 4bExternal Enclosure : IP 43
Options
Paint Finish
Enclosure
Special colors (Standard RAL 7035)
Busbar SystemBusbarsInsulated or tin galvanized

Gallery