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Square D QO™ N3R Main Lug Only Loadcenters 125 A 120/240 VAC, 120/208Y VAC 12 Space

Mfg #: QO312L125GRB
BOR #: 155818
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Main Lug Only Loadcenters

  • QO™ Series
  • NEMA 3R
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Product can be ordered only in multiples of
Brand Square D  
Depth 14-3/4 in  
Series QO™  
Amperage 125 A  
NEMA Rating NEMA 3R  
Depth (Fraction) 14-3/4 in  
Circuit Breaker Type QO  
Voltage 120/240 VAC, 120/208Y VAC  
Number of Phases 3 phase 4 wires ,, 3 phase 3 wires  
Includes Cover  
Wire Size 6 - 2/0 AWG  
Box Number 3R  
Bus Material Copper  
Cover Type NEMA 3R  
Number of Spaces 12 Space  
Number of Circuits 12 Circuit  
Load Centers: Section 1 - Digest 179 (2024) - Load-Centers-CSEDs-Digest-Catalog-0100CT2401-SEC-01 (pdf) Catalog
Square D Service Upgrade Load Centers Brochure - 1100BR0901 (pdf) Brochure
Small and medium project solutions, available now - brochure - 998-21381316_GMA-US_Small+and+medium+project+solutions+available+now (pdf) Brochure
Square D QO Load Centers and Circuit Breakers Brochure - 998-1170221_US_B (pdf) Brochure
Digest Catalog 01: Load Centers - 0100CT1901_SEC-01 (pdf) Catalog
QO and Homeline Load Centers and Circuit Breaker Installation Instructions - S1B33894 (pdf) Installation and Instruction Manuals
QO Standard Load Centers, Certificate, UL - 071002-E6294D (pdf) Compliance
Schneider Electric Specification Sheet Specification Sheet
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