


- Bus Plug /
- Breaker Type /
- Square D /
PBPQO4B100
PBPQO4B100

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IMAGES ARE FOR REFERENCE ONLY.
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PBPQO4B100 Specifications
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PBPQO4B100, Square D, Schneider Electric, bus plug, type PBPQO, phasePH, 4W, 240V, 100A, 10kA@240V, , breaker type, can only, breaker not included, accepts type QO thermal magnetic molded case circuit breaker, suitable for use with Powerbus aluminum & copper busway systems
| Manufacturer | Square D | Subcategory | Breaker Type |
| Family | Powerbus | ||
| Manufacturer | Square D | ||
| Subcategory | Breaker Type | ||
| Family | Powerbus |
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 PBPQO4B100. All repairs include a 2-Year Electrical.com Warranty.

The Square D PBPQO4B100 is a breaker type bus plug from the Square D Powerbus series, designed for use in 3-phase power distribution systems operating at up to 240V. This unit is rated for 100A and features a 4-wire configuration without grounding.
The PBPQO4B100 provides a short circuit interrupting rating of 10kA@240V, supporting overcurrent protection requirements in high-demand installations. It integrates securely with Square D's Powerbus busway systems and supports quick installation and maintenance through its accessible design and NEMA-compliant housing.
Available at Electrical.com, the Square D PBPQO4B100 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.