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3G Electric
SQUARE D PQ4203G Fusible Bus Plug - PQ- and PQB -Type, Square D Fusible Bus Plugs
SQUAREPQ- and PQB -Type, Square D Fusible Bus Plugs

SQUARE D PQ4203G Fusible Bus Plug

The SQUARE D Busway Plug In Unit is a PQ- and PQB-Type fusible bus plug rated for 30 A at 120/208/240V AC. It is designed for use with SE Square D I-Line and I-Line II Busway systems and accepts H/K/R fuse classes…

SKU 3G-OTH-127497

Brand
SQUARE
Item
D PQ4203G Fusible Bus Plug
Part Number
PQ4203G
Category
PQ- and PQB -Type, Square D Fusible Bus Plugs
Available to Order
Also known as:PQ4203GSQUARE
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Technical Specifications

SQUARE
Manufacturer Part Number
PQ4203G

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

Product Description

The SQUARE D Busway Plug In Unit is a PQ- and PQB-Type fusible bus plug rated for 30 A at 120/208/240V AC. It is designed for use with SE Square D I-Line and I-Line II Busway systems and accepts H/K/R fuse classes. This unit provides a grounded connection point for branch circuits in industrial power distribution.

Frequently Asked Questions

What is the SQUARE D Busway Plug In Unit used for?

The SQUARE D Busway Plug In Unit provides a grounded connection point for branch circuits in industrial power distribution. It is designed for use with SE Square D I-Line and I-Line II Busway systems, accepting H/K/R fuse classes for overcurrent protection.

What are the specifications of the SQUARE D Busway Plug In Unit PQ4203G?

The SQUARE D Busway Plug In Unit PQ4203G is rated for 30 A at 120/208/240V AC. It is a PQ- and PQB-Type fusible bus plug that accepts H/K/R fuse classes and is compatible with SE Square D I-Line and I-Line II Busway systems.

Where to buy SQUARE D Busway Plug In Unit worldwide?

3G Electric supplies the SQUARE D Busway Plug In Unit PQ4203G 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.

How to install a SQUARE D Busway Plug In Unit?

Install the SQUARE D Busway Plug In Unit by first de-energizing the busway system. Align the plug with the I-Line or I-Line II busway slot, engage the grounding connection, and secure the unit. Always follow NFPA 70E safety practices and consult the manufacturer's manual.

Used in

Common applications for SQUARE
Commercial building lighting control — Square D 8903LO60V04 (6-pole, 30 A, 277V AC coil) for switching large-area lighting in offices and retail spaces.
Warehouse lighting — Square D 8903LO1000V02 (10-pole, 30 A, 120V AC coil) for centralized control of high-bay lighting circuits.
Parking lot lighting — Square D 8903SPO2V04 (3-pole, 60 A, 277V AC coil) for remote switching of exterior lighting groups.
Manufacturing facility lighting — Square D 8903LO1200V02 (12-pole, 30 A, 120V AC coil) for multi-circuit lighting control in production areas.
Industrial facility lighting — Square D 8903SMO2V02 (3-pole, 30 A, 120V AC coil) for switching lighting in small zones or individual rooms.
Large-scale lighting systems — Square D 8903LO80V02 (8-pole, 30 A, 120V AC coil) for controlling multiple lighting circuits from a single point.
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SQUARE 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.

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