Square D PXF361600 Molded Case Circuit Breaker
- 1600A
- 3 Pole
- Bolt-On
Quantity
Square D PXF361600 - 1600A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Rated 100kAIC at 480VAC, this 1600A PowerPact P-frame MCCB delivers reliable solid-state performance for industrial power distribution. The integrated Micrologic trip unit allows for precise adjustments to LSI settings. It mounts into compatible Square D motor control centers and QED switchboards. True RMS sensing guarantees accurate overcurrent detection. For modern upgrades, this specific breaker configuration has been superseded by the Square D PowerPact R-Frame RLF36160U31A.Specifications
| Brand | Square D |
|---|---|
| Part Number | PXF361600-R |
| Series | PXF |
| Amperage | 1600A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC |
| Phase | 3 |
| AIC Rating | 125kA @ 240VAC, 100kA @ 480VAC, 65kA @ 600VAC |
| Frame Type | PXF |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D QED Switchboards, Square D Motor Control Centers |
| Trip Technology | Electronic Trip |
|---|---|
| Trip Function Code | LSI |
| Trip Function | Long-Time, Short-Time, Instantaneous |
| Trip Adjustability | Adjustable |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Lugs, Rating Plugs |
|---|---|
| Accessories | Rating Plug |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | 100% Rated, True RMS Sensing, High Interrupting Capacity, Solid State |
Product FAQs
5 answersWhich enclosures or switchboards are compatible with the PXF361600?
This bolt-on circuit breaker is designed specifically for installation in Square D QED switchboards and Square D motor control centers.
What does the LSI trip function code mean for this breaker?
The LSI designation indicates that the electronic Micrologic trip unit provides adjustable Long-Time, Short-Time, and Instantaneous overcurrent protection. This allows for precise coordination with other breakers in your electrical system.
Is there a direct modern replacement for the PXF361600?
Yes. For facility upgrades or new installations, this PowerPacT P-frame breaker is typically superseded by the Square D PowerPacT R-Frame, specifically catalog number RLF36160U31A.
How does this breaker connect to the busbar?
The PXF361600 features a bolt-on connection type, meaning it bolts directly to the busbars within compatible switchboards or motor control centers for a secure, high-amperage connection.
How does the electronic trip unit detect overcurrents?
The solid-state Micrologic trip unit utilizes true RMS sensing to provide highly accurate overcurrent detection, which is critical for heavy-duty commercial and industrial power distribution.
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