A sixteen-circuit load center rated at 125 A for single-phase 120/240 VAC distribution. It is designed for properties with dense branch-circuit requirements, including multi-unit dwellings, commercial complexes, and light industrial facilities where a single panel must consolidate a large number of circuits under a unified main service.

Specifications

Model	QOL-16
Reference voltage	120/240VAC
Reference current	100A
Number of circuits	16*1″
Wiring system	1-phase
Knockout	Provide on all sides of enclosure
Connector	ALUMINUM/COPPER
Insulator	High temperature, polycarbonate
Front type	Surface/Flush
Enclosure	0.8-2.0 mm steel/galvanized steel

Model	Mount	Main Amps	Circuits	Best For
QOL1F/S	Flush/Surface	100A	1	Main disconnect or single large load (e.g., well pump)
QOL2FNT/SNT	Flush/Surface	100A	2	Small sub-panel or dual-circuit setup
QOL2F/S	Flush/Surface	100A	2	General purpose 2-circuit panel
QOL4F/S	Flush/Surface	100A	4	Garage, shed, or small apartment
QOL6F/S	Flush/Surface	125A	6	Medium home addition or workshop
QOL8F/S	Flush/Surface	125A	8	Whole-house upgrade (small home)
QOL12F/S	Flush/Surface	125A	12	Larger home or commercial tenant space
QOL16F/S	Flush/Surface	125A	16	Multi-unit dwelling or light industrial
QOL20F/S	Flush/Surface	125A	20	Full residential service or mixed-use building

Features

01/

Plug-In Breaker Design

Sixteen QO/QOB-format breaker positions provide the density required for multi-tenant or multi-zone distribution. The layout accommodates a mix of single-pole lighting and receptacle circuits alongside double-pole appliance feeds, all within the 125 A main rating.

02/

Heavy-Duty Steel Construction

The 0.8–2.0 mm cold-rolled or galvanized steel chassis is elongated to house sixteen breaker positions in a single row. Reinforced side rails and cross-bracing are integrated into the stamp pattern to prevent lateral flex when the panel is fully populated with breakers and conductors.

03/

Matte Powder-Coated Finish

A thick baked polyester layer is applied uniformly across the expanded surface area. The coating seals the steel substrate against the airborne dust and particulate matter common in industrial corridors, mechanical rooms, and service tunnels.

04/

Spacious Interior

The wiring cavity is divided into zones that align with breaker positions, allowing sixteen conductor sets to be dressed without interweaving. This zoned approach simplifies circuit identification and reduces the risk of accidental contact between energized conductors during maintenance.

05/

Dual Mounting Options

Flush mounting is selected for finished electrical rooms where the panel must sit flush with painted walls. Surface mounting is standard in unfinished utility spaces and concrete block construction, where the full rear depth is used for conduit entry and the side clearances are needed for cover removal.

06/

Multi-Directional Cable Entry

Knockouts are distributed across the crown, base, and sidewalls in patterns that accommodate multiple conduit sizes. With sixteen active circuits, the entry layout is designed to segregate high-amperage feeders from lower-amperage branch runs, preserving interior organization at maximum circuit density.

07/

Grounding & Safety Compliance

Pre-installed aluminum or copper neutral and equipment grounding bus bars provide termination points for all sixteen branch circuits. The bars are extended in length to accept the full complement of ground conductors without stacking, maintaining individual grounding paths for each circuit.

Key Applications

Multi-unit apartment and condominium buildings

Commercial office floor distribution hubs

Light industrial assembly and fabrication plants

Hotel and motel electrical service rooms

School and institutional campus branch panels

Our Factory

We are equipped with complete distribution box production equipment and a strong technical and production team. Meanwhile, we have been continuously updating and upgrading our equipment to meet the diverse needs of customers.

FAQ

Q1: Is the QOL16 chassis too wide for standard 16-inch stud spacing?

A: The panel width approaches the limit of conventional stud bays. For flush mounting, verify the rough opening and stud spacing before ordering. Surface mounting avoids this constraint and is often preferred in commercial block-wall or retrofit applications.

Q2: Will sixteen branch circuits overload a 125 A main service?

A: Not necessarily. The sum of branch breaker ratings often exceeds the main rating by design-diversity factors assume not all circuits run at full load simultaneously. However, you must perform a load calculation per NEC Article 220 to verify that the calculated demand stays within 125 A.

Q3: When wiring all sixteen positions, how do I keep neutral conductors organized?

A: The neutral bus is segmented by breaker zone. Route each branch neutral directly to its corresponding bus segment without looping across adjacent circuits. This keeps conductor bundles separated and simplifies troubleshooting when a circuit needs isolation.

Q4: Should I choose copper bus bars for a panel feeding multiple apartment units?

A: Copper is recommended when the panel serves multiple tenants because it offers lower resistance under sustained load and requires less frequent maintenance. Aluminum is acceptable for cost-sensitive projects if terminations are properly prepared and inspected on a scheduled basis.

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