SQUARE D PBQ4640G Fusible Bus Plug, 400 A, 240/600V AC, PBQ, H/K/R Fuse Class
The SQUARE D PBQ4640G is a PQ- and PQB-Type fusible bus plug unit rated for 400 A at 240/600V AC. It features a PBQ design with an H/K/R fuse class and is compatible with SE Square D I-Line and I-Line II Busway systems.
SKU 3G-OTH-127603
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
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Product Description
The SQUARE D PBQ4640G is a PQ- and PQB-Type fusible bus plug unit rated for 400 A at 240/600V AC. It features a PBQ design with an H/K/R fuse class and is compatible with SE Square D I-Line and I-Line II Busway systems.
Frequently Asked Questions
What is the SQUARE D PBQ4640G busway plug used for?
The SQUARE D PBQ4640G is a fusible bus plug unit used to tap power from Square D I-Line and I-Line II busway systems. It provides overcurrent protection for branch circuits in industrial and commercial electrical distribution, rated for 400 A at 240/600V AC.
What are the specifications of the SQUARE D PBQ4640G?
The SQUARE D PBQ4640G is a PQ- and PQB-Type fusible bus plug rated for 400 A at 240/600V AC. It uses an H/K/R fuse class and features a PBQ design. It is compatible with SE Square D I-Line and I-Line II Busway systems. The manufacturer part number is PBQ4640G.
Where to buy the SQUARE D PBQ4640G worldwide?
3G Electric supplies the SQUARE D PBQ4640G fusible bus plug unit worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this Square D component.
How to select the correct SQUARE D bus plug for your busway?
To select the correct SQUARE D bus plug, verify your busway system is I-Line or I-Line II. Match the plug's voltage (240/600V AC), amperage (400 A), and fuse class (H/K/R) to your load requirements. The PBQ4640G is designed for Square D systems; consult a qualified electrician for proper sizing.
Used in
Common applications for SQUARESQUARE Products
3G Electric supplies SQUARE pq- and pqb -type, square d fusible bus plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.