SQUARE D NQMB4LA Panelboard Main Breaker Kit, 400A, For NQ Panelboards
The Square D Panelboard Main Breaker Kit (MPN NQMB4LA) is a 400 Amp accessory for Square D NQ Panelboards, featuring a 400A/L frame size and compatibility with the LAL circuit breaker series. It includes one cover…
SKU 3G-OTH-722199
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The Square D Panelboard Main Breaker Kit (MPN NQMB4LA) is a 400 Amp accessory for Square D NQ Panelboards, featuring a 400A/L frame size and compatibility with the LAL circuit breaker series. It includes one cover and is designed as a main breaker kit for use with Square D NQ Panelboards.
Frequently Asked Questions
What is the Square D NQMB4LA panelboard main breaker kit used for?
The Square D NQMB4LA is a 400 Amp main breaker kit designed for use with Square D NQ panelboards. It provides overcurrent protection and a main disconnect for the panelboard, enabling safe distribution of power in commercial and industrial electrical systems.
What are the specifications of the Square D NQMB4LA main breaker kit?
The Square D NQMB4LA is a 400 Amp panelboard main breaker kit with a 400A/L frame size. It is compatible with the LAL circuit breaker series and includes one cover. It is designed for use with Square D NQ panelboards.
Where to buy the Square D NQMB4LA main breaker kit worldwide?
3G Electric supplies the Square D NQMB4LA main breaker kit worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.
How to install the Square D NQMB4LA main breaker kit?
Installation of the Square D NQMB4LA main breaker kit should be performed by a qualified electrician following the manufacturer's instructions. Typically, it involves mounting the kit into the NQ panelboard, connecting the line and load conductors, and securing the included cover. Always de-energize the panel before installation.
Used in
Common applications for SQUARE DSQUARE D Products
3G Electric supplies SQUARE D square d main breaker kits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.