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- Fusible /
- Schneider Electric /
PQ4220
PQ4220
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PQ4220 Specifications
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PQ4220, Schneider Electric, Square D, bus plug, type PQ, 3PH, 4W, 240V, 200A, 200kA@240V, fusible, accepts Class H,K,R fuses, suitable for use with I-Line aluminum & copper busway systems
| Manufacturer | Schneider Electric | Subcategory | Fusible |
| Family | I-Line | ||
| Manufacturer | Schneider Electric | ||
| Subcategory | Fusible | ||
| Family | I-Line |
Electrical.com is NOT an authorized distributor for Square D and therefore the manufacturer’s warranty does not apply. This product does include an Electrical.com 2 year warranty.



We can test, inspect and repair your PQ4220. All repairs include a 2-Year Electrical.com Warranty.

The Square D PQ4220 is a fusible bus plug from the Square D I-Line series, designed for use in 3-phase power distribution systems operating at up to 240V. This unit is rated for 200A and features a 4-wire configuration without grounding.
The PQ4220 provides a short circuit interrupting rating of 200kA@240V, supporting overcurrent protection requirements in high-demand installations. This model accepts Class H, K, R fuses. It integrates securely with Square D's I-Line busway systems and supports quick installation and maintenance through its accessible design and NEMA-compliant housing.
Available at Electrical.com, the Square D PQ4220 is part of our extensive inventory of bus plugs, parts and accessories. Our knowledgeable sales team is ready to assist with technical questions, product selection and support.

