QON OEM mounting bases are for the mounting of plug on QO, QO GFI and QO EPD circuit breakers. These OEM mounting bases are available in single and three phase versions. This QOMB3 OEM plug on mounting base is for single phase breakers up to 70 A at 240 VAC max. This base provides 10 kA breaking capacity based on the circuit breakers installed. This mounting base has 3 spaces for breakers. A neutral assembly is not supplied with this OEM mounting base. The mounting base will accept 14 AWG to 4 AWG copper or 12 AWG to 2 AWG aluminum wire.

• Prop 65
• WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

• Complementary Attributes
• Line Rated Current : 70 A
• Important Information Attributes
• Persona Type Ids : EU, OM
• Persona Type Names : End User, Original Equipment Manufacturer
• Certificate Agency : CSA, UL Listed
• Local Data Status : Publishable
• Local Publishable Date : 2026-06-02
• Return Indicator : Y
• Stocking Flag : Y
• Stock Policy : 1
• Weee Scope : In
• Weee Product Category : 5
• Scope Perimeter : Outside of Europe
• Reach Full Compliance Status : Reference contains Substances of Very High Concern above the threshold
• Reach Full Compliance Status Id : CONTAINS_SVHC
• Reach Compliance Directive : Reference contains Substances of Very High Concern above the threshold
• Rohs Eur In Scope : Yes
• Rohs Eur Status : Compliant By Exemption
• Rohs Eur Conformity Date : 2436
• Rohs Eur Full Compliance Status : Compliant By Exemption
• China Rohs In Scope : No
• With Recycled Cardboard : No
• Without Single Use Plastic : No
• Product Contributes To Saved And Avoided Emissions : No
• Tier Id : 2
• Tier : 2
• Function Option Id : STANDARD
• Function Option : Standard
• Market Segmentation Id : COMMERCIAL
• Market Segmentation : Commercial
• Product Kit Identifier : N
• Awg Gauge : 14 AWG...4 AWG copper14 AWG...2 AWG aluminium
• Circuit Breaker Type : QO
• Device Composition : grounding bar (ordered separately)
• Energy Efficiency Optimized : False
• Load Center Type : main lugs
• Mounting Mode : plug-on
• Number Of Circuits : 3
• Number Of Spaces : 3
• Phase : 1 phase 2 wires
• Product Availability : Stock - Normally stocked in distribution facility
• Product Or Component Type : mounting base
• Range Of Product : QO
• Returnability : Yes
• Sustainable Packaging : No
• Tightening Torque : 35 lb.in, 14 AWG...4 AWG, copper35 lb.in, 14 AWG...2 AWG, aluminium
• Height Nominal : 33 mm
• Width Nominal : 107 mm
• [Ue] Rated Operational Voltage : 240 V AC
• Short-circuit Current : 10 kA
• Nbr. Of Units In Pkg. : 1
• Package Weight(Lbs) : 113.398 g
• Take-back : No
• Warranty (In Months) : 18
• Customs Code : 8536904000
• Environment Attributes Main
• China Rohs Regulation : Product out of China RoHS scope , Product out of China RoHS scope. Substance declaration for your information.
• Take Back : No
• Recycled Metal Content At Cr Level : 0 %
• Mercury Free : Yes
• Eu Rohs Directive : Compliant By Exemption
• Packaging Made With Recycled Cardboard : No
• Packaging Without Single Use Plastic : No
• Reach Regulation : Reference contains Substances of Very High Concern above the threshold
• General Attributes
• Phase : 1 phase 2 wires
• Product Or Component Type : mounting base
• Range Of Product : QO
• Contractual Warranty Attributes
• Warranty Period : 18 months
• Warranty : 18 months
• Specifications
• Country of Origin : United States
• Depth : 127 mm