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NQ442L4 – Panelboard interior, NQ, main lugs, 400A, Al bus, 42 pole spaces, 3 phase, 4 wire, 240VAC, 48VDC
NQ442L4
Panelboard interior, NQ, main lugs, 400A, Al bus, 42 pole spaces, 3 phase, 4 wire, 240VAC, 48VDC

NQ Panelboard interiors can be used for applications such as commercial buildings, industrial buildings, stadiums, and offices. NQ Panelboards are versatile panelboards that feature a wide selection of circuit breakers, accessories, and ready to install kits. NQ Panelboard interiors are field convertible to top or bottom feed. NQ Panelboards are convertible from main lug to main breaker. NQ Panelboards provide 200% rated neutrals for nonlinear loads. Some factory installed options are split bus, lighting contactors, compression lugs, surge protection devices, and phenolic nameplates. This interior provides protection for your commercial and industrial applications. The main lugs are rated at 400A, 240 VAC 3 phase or 48 VDC. Interior has an interrupt current rating of up to 65 kA. This interior is for a 4 wire system with 42 spaces and has an aluminum bus bar. Interior is for QOB, QOBVH and QHB branch circuit breakers. Lug connections will accept two 1/0 AWG to 750 kcmil aluminum wire. Interior is 45 inches tall and 10.44 inches wide. This NQ panelboard interior is UL listed and CSA certified.

Brand: Schneider Electric

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Specifications
Circuit Breaker Type
  • QOB
  • QOB-VH
  • QHB
Material aluminium
Load Center Type main lugs
Warranty 18 months
Height 45 in
Connections - Terminals
  • lug line AWG 1/0...750 kcmil aluminium
  • lug neutral AWG 1/0...750 kcmil aluminium
Tightening Torque
  • 31.07-33.90 N.m 53.48-380 mm² (AWG 1/0...750 kcmil)
  • 31.07-33.90 N.m 53.48-177.3 mm² (AWG 1/0...350 kcmil)
  • 62.14-62.14 N.m 53.48-380 mm² (AWG 1/0...750 kcmil)
  • 62.14-62.14 N.m 53.48-152 mm² (AWG 1/0...300 kcmil)
  • 42.37-42.37 N.m 53.48-380 mm² (AWG 1/0...750 kcmil)
  • 42.37-42.37 N.m 53.48-152 mm² (AWG 1/0...300 kcmil)
[Iu] Rated Interrupted Current
  • 10 kA
  • 22 kA
  • 65 kA
Number Of Spaces 42
Enclosure Nominal Height 50 in
Phase 3 phase
Enclosure Nominal Depth
  • 5.75 in NEMA 1
  • 6.5 in NEMA 3R/5/12
Line Rated Current 400 A
Width 10.44 in
Wiring Configuration 4-wire
Enclosure Nominal Width 20 in
[Ue] Rated Operational Voltage
  • 240 V AC
  • 48 V DC
Rohs Exemption Information Yes
Mercury Free Yes
Environmental Disclosure ENVPEP1404019EN
Sustainable Offer Status Green Premium product
Toxic Heavy Metal Free Yes
Reach Regulation Free of Substances of Very High Concern above the threshold
California Proposition 65 WARNING: This product can expose you to chemicals including: Nickel compounds, which is known to the State of California to cause cancer, and Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Reach Free Of Svhc Yes
China Rohs Regulation Pro-active China RoHS declaration (out of China RoHS legal scope)
Eu Rohs Directive Compliant
Standards
  • CSA
  • UL
Documents
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