Square D NQ42L4 Main Lug Convertible Panel Interior
The Square D NQ Main Lug, Convertible Panel Interiors (MPN NQ42L4) is a 42-space, 400 A panelboard interior with an aluminum bus, measuring 45 in Ht by 10 7/16 in Wd. It accepts QHB, QOB, and QOB-VH circuit breakers…
SKU 3G-OTH-772284
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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
- Required — additional freight charges may applyThis item requires special shipping, additional charges may apply.
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Product Description
The Square D NQ Main Lug, Convertible Panel Interiors (MPN NQ42L4) is a 42-space, 400 A panelboard interior with an aluminum bus, measuring 45 in Ht by 10 7/16 in Wd. It accepts QHB, QOB, and QOB-VH circuit breakers, providing a flexible, convertible main-lug configuration for commercial and industrial power distribution.
Frequently Asked Questions
What is the Square D NQ42L4 panelboard interior used for?
The Square D NQ42L4 is a 42-space, 400 A main-lug convertible panelboard interior used for commercial and industrial power distribution. It accepts QHB, QOB, and QOB-VH circuit breakers, making it suitable for branch-circuit protection in lighting, appliance, and motor-load applications.
What are the specifications of the Square D NQ42L4?
The Square D NQ42L4 panelboard interior has 42 spaces, 400 A rating, aluminum bus, and measures 45 in Ht by 10 7/16 in Wd. It accepts QHB, QOB, and QOB-VH circuit breakers. The bus material is aluminum, and the circuit breaker series is QOB-VH. MPN: NQ42L4.
Where to buy the Square D NQ42L4 panelboard interior worldwide?
3G Electric supplies the Square D NQ42L4 panelboard interior worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this 42-space, 400 A aluminum-bus interior.
How to select the correct Square D panelboard interior for my application?
To select the correct Square D panelboard interior, match the number of spaces (e.g., 42), ampere rating (400 A), bus material (aluminum), and breaker series (QHB/QOB/QOB-VH) to your load requirements. The NQ42L4 is a convertible main-lug design, suitable for commercial and industrial use. Consult a licensed electrician for code compliance.
Used in
Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D square d nq main lug, convertible panel interiors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.