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QONQ42MS300 – Load center interior, QO, main breaker, 300A, Al bus, 42 pole spaces, 1 phase, 3 wire. NQ enclosure
QONQ42MS300
Load center interior, QO, main breaker, 300A, Al bus, 42 pole spaces, 1 phase, 3 wire. NQ enclosure

QO load centers offer premium features by allowing QO breakers, ground arc fault interrupters arc fault interrupters and surge arresters to be installed inside QO load centers enable the use of a full complement of accessories. Systems can be single or three phase and have indoor and outdoor versions. This load center interior has a high amperage fixed main with factory installed main lugs that are rated for 400 A. This interior has 42 spaces and has a 65 kA breaking capacity. The main lugs will accept 1/0 AWG to 750 kcmil copper or aluminum wire. This interior is UL component recognized and cUL certified. It is encased in a NQ enclosure.

Brand: Schneider Electric

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Specifications
Circuit Breaker Type
  • QOB
  • QOB-VH
  • QHB
Product Or Component Type Load Center Interior
Load Center Type main breaker
Material aluminium
Warranty 18 months
Enclosure Nominal Depth
  • 5.75 in NEMA 1
  • 6.5 in NEMA 3R/5/12
Tightening Torque
  • 4.52-5.65 N.m 13.30-67.43 mm² (AWG 6...AWG 2/0)
  • 11.3-11.3 N.m 13.30-67.43 mm² (AWG 6...AWG 2/0)
  • 31.07-31.07 N.m 13.30-177.3 mm² (AWG 6...350 kcmil)
  • 31.07-31.07 N.m 13.30-126.7 mm² (AWG 6...250 kcmil)
  • 31.07-31.07 N.m 107.2-152 mm² (AWG 4...300 kcmil)
Line Rated Current 300 A
[Iu] Rated Interrupted Current
  • 10 kA
  • 22 kA
  • 65 kA
Wiring Configuration 3-wire
Number Of Spaces 42
Enclosure Nominal Height 62 in
Phase 1 phase
Net Weight 19.051 kg
Enclosure Nominal Width 20 in
[Ue] Rated Operational Voltage 240 V AC
China Rohs Regulation Pro-active China RoHS declaration (out of China RoHS legal scope)
Rohs Exemption Information Yes
Mercury Free Yes
Environmental Disclosure ENVPEP2101006
Sustainable Offer Status Green Premium product
Toxic Heavy Metal Free Yes
Eu Rohs Directive Compliant
Reach Regulation Free of Substances of Very High Concern above the threshold
Reach Free Of Svhc Yes
Standards
  • CSA
  • UL
Documents
Royal Wholesale Electric

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