Home
Job Track

For 24-HOUR EMERGENCY SERVICE: 

(610) 312-8100 or (877) 312-8100

Featured Products
Line Card
Schneider EZ Selector Tool
Quick Order
Home
Home
Featured Products
Line Card
Schneider EZ Selector Tool
Quick Order
loading content
Square D™ CP18866N3Q4C Distribution Panelboards
Documents
Catalog
Instruction/Installation Manual
Owners/User Manual
Specification Sheet
Schneider ElectricSquare D™

Square D™ I-Line™ CP18866N3Q4C 3-Phase Type NQ Combo Panelboard, 600Y/347 V AC/48 V DC, 600 A

Sku #78590173515

MFG #CP18866N3Q4C

Attributes

Type:3-Phase Type NQ
Amperage Rating:600 A
Breaker Type:LG/LL/QOB/PK/QB/JD/JG/JJ/JL/HD/HG/HJ/HL/LJ/LA/LH/LI/QO/FC/QD/Q4/QJ/QG/LD/FA
Voltage Rating:600Y/347 V AC/48 V DC
Number of Circuits:30
Bus Material:Copper
Documents
Catalog
Instruction/Installation Manual
Owners/User Manual
Specification Sheet
Square D™Square D™ I-Line™ CP18866N3Q4C 3-Phase Type NQ Combo Panelboard, 600Y/347 V AC/48 V DC, 600 A
SKU #78590173515
MFG #CP18866N3Q4C
Please Log In or Register to view pricing.

Keep up to date with the latest products, special offers and news.

Colonial Electric Supply and it's divisions is a product supplier only. We do not serve as project engineers. Rather, we work with project engineers towards their design goals. We expect customers to obtain and use products in accordance with the manufacturer's intended use. We are not responsible for product malfunction due to misuse, with the exception of replacement per stated warranty conditions.

For 24-HR EMERGENCY SERVICE please call:

(610) 312-8100 or (877) 312-8100

Resources

LED CatalogSchneider EZ Selector ToolTerms & ConditionsPrivacy Policy

Company

About UsCareersCharity & CommunityCoStars

Support

Contact UsLocationsReturns Policy

Divisions

Colonial TelTekColonial Major ProjectsBright Light Annapolis Lighting
© 2026 Colonial Electric Supply. All Rights Reserved.