NQ54L4C

Schneider Electric

Panelboard interior, NQ, main lugs, 400A, Cu bus, 54 pole spaces, 1 phase, 3 wire, 240VAC, 48VDC

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  • "This interior main lugs panelboard is one of the Schneider Electric\u2122 NQ lighting and appliance panelboards. It is a one phase, three wire panelboard with a plated copper bus and tin plated aluminum lugs suitable for aluminum or copper. The phase lugs accept 1-1/0 AWG to 750kcmil or 2-1/0 AWG to 350kcmil conductors, and the neutral lugs accept 1-1/0 AWG to 750kcmil or 2-1/0 AWG to 300kcmil conductors. It has a voltage rating of 240VAC or 48VDC and is rated for 400A line current and 10kA, 22kA, and 65kA interrupted current. It has 54 spaces for bolt on (QOB or QHB) circuit breakers to provide protection for branch circuits. It is compliant with CSA and UL standards."
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Specification Value
Enclosure Nominal Depth 5.75 in NEMA 1 || 6.5 in NEMA 3R/5/12
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)
Line Rated Current 400 A
[Iu] Rated Interrupted Current 10 kA || 22 kA || 65 kA
Wiring Configuration 3-wire
Number Of Spaces 54
Enclosure Nominal Height 68 in
Phase 1 phase
Net Weight 9.525 kg
Enclosure Nominal Width 20 in
[Ue] Rated Operational Voltage 240 V AC || 48 V DC
Circuit Breaker Type QOB || QOB-VH || QHB
Product Or Component Type interiors
Load Center Type main lugs
Material copper
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*New items come with up to 24 month Obso Warranty
Our previously used items and repair options come with 12 months Obso Warranty.


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*Same & Next Day Delivery & Collection is available for stock from our UK and NL branches. Next-day delivery collection and 2 day delivery is available for stock sourced from our partners. In 90% of cases, we can deliver faster than the manufacturer’s ETA where required.

Standard options for delivery are also available where required.


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