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SQUARE D NF418L1C NF Main Lug Convertible Panel Interior - Square D NF Main Lug, Convertible Panel Interiors
SQUARE DSquare D NF Main Lug, Convertible Panel Interiors

SQUARE D NF418L1C NF Main Lug Convertible Panel Interior

The Square D NF418L1C is a 125 A, 18-space main lug convertible panel interior with a copper bus, compatible with EDB/EDG/EDJ circuit breakers (EDJ series). Measuring 21 in Ht x 10 7/16 in Wd, this NF-series interior…

SKU 3G-OTH-772834

Brand
SQUARE D
Item
NF418L1C NF Main Lug Convertible Panel Interior
Part Number
NF418L1C
Category
Square D NF Main Lug, Convertible Panel Interiors
Available to Order
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Technical specs
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Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

SQUARE D
Manufacturer Part Number
NF418L1C
Type
Copper, EDB/EDG/EDJ
Wd
10 7/16 in
Ht
21 in
Amps
125 A
Depth
5-3/4 in
Phase
Three
Width
10-7/16 in
Height
21 in
UNSPSC
39121103
Voltage
277/480YV AC
Standards
CSA C22.2; UL 67
Bus Material
Copper Bus Material Bus Material This is the material of the bus bar in the load center or panelboard.
Catalog Page
187
For Use With
NF Circuit Breakers
Number of Spaces
18
Country of Origin
South Korea (subject to change)
Circuit Breaker Type
Bolt-On
Recommended Enclosure
1D687 for Main Lug; 6B429 for Main Breaker
Circuit Breaker Series
EDB; EDG; EDJ
Recommended Flush Cover
3TX77 for Main Lug; 3TX81 for Main Breaker
Recommended Surface Cover
3TX78 for Main Lug; 3TX82 for Main Breaker
Short Circuit Current Rating
100000 RMS Symmetrical
Main Circuit Breaker or Main Lug
Convertible; Main Lug

Technical Documents

(1)
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SQUARE D Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Square D NF418L1C is a 125 A, 18-space main lug convertible panel interior with a copper bus, compatible with EDB/EDG/EDJ circuit breakers (EDJ series). Measuring 21 in Ht x 10 7/16 in Wd, this NF-series interior supports flexible configuration for branch-circuit distribution.

Frequently Asked Questions

What is the Square D NF418L1C panelboard interior used for?

The Square D NF418L1C is a 125 A main lug convertible panel interior used for branch-circuit distribution in commercial and industrial electrical systems. It supports flexible configuration with EDB/EDG/EDJ circuit breakers (EDJ series) and features a copper bus for reliable conductivity.

What are the specifications of the Square D NF418L1C?

The Square D NF418L1C panelboard interior has 18 spaces, 125 A amps, a copper bus, and is compatible with EDB/EDG/EDJ circuit breakers (EDJ series). It measures 21 in Ht x 10 7/16 in Wd and is part of the NF-series main lug convertible interiors.

Where to buy the Square D NF418L1C worldwide?

3G Electric supplies the Square D NF418L1C panelboard interior worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this NF-series copper-bus interior to your facility. Contact us for availability and lead time.

How to select the right Square D panelboard interior?

To select the right Square D panelboard interior, match the amp rating (125 A for NF418L1C), number of spaces (18), bus material (copper), and circuit breaker series (EDJ) to your load requirements. Ensure physical dimensions fit your enclosure. 3G Electric can help interpret your needs.

Used in

Common applications for SQUARE D
Commercial electrical panels — QO and QOB miniature circuit breakers for overcurrent protection in load centers and panelboards.
HVACR equipment — 8910 Series Type DPA definite purpose contactors for switching compressor and fan motor loads.
Industrial power distribution — J-Frame molded case circuit breakers for main and feeder protection in switchboards.
Residential ground-fault protection — QO and QOB GFI circuit breakers for kitchens, bathrooms, and outdoor circuits.
Motor control centers — definite purpose contactors for controlling pumps, fans, and other moderate motor loads.
OEM machinery — Square D circuit breakers and contactors for integration into control panels and equipment.
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SQUARE D Products

3G Electric supplies SQUARE D square d nf main lug, convertible panel interiors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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