Built for commercial applications, the Square D FAB36060 is a 3-pole, 60A molded case circuit breaker providing standard long-time and instantaneous (LI) trip functions. This F-Frame breaker mounts into Square D I-Line panelboards using a secure bolt-on connection. It is replaced by the modern PowerPact BDA36060 for newer installations. Rated for 25kAIC at 240V and 14kAIC at 600V, it ensures dependable fault clearing.
What type of panelboard is the FAB36060 compatible with?
The Square D FAB36060 is designed exclusively for use in Square D I-Line panelboards. It features a secure bolt-on mounting connection specific to these commercial and industrial panels.
Can I install the FAB36060 in a standard residential load center?
No. The FAB36060 is an F-frame molded case circuit breaker built for I-Line panelboards. It is not compatible with residential Square D QO or Homeline load centers.
Is the FAB36060 still manufactured, or is there a direct replacement?
The legacy F-frame breakers, including the FAB36060, have been discontinued by Schneider Electric. For newer installations, they are typically replaced by the modern PowerPact B-frame series, such as the BDA36060, though exact fitment depends on your specific panelboard setup.
Does the FAB36060 feature an adjustable trip setting?
No. The FAB36060 features a fixed thermal and fixed magnetic trip unit. It is factory-calibrated for a 60A continuous current and cannot be adjusted in the field.
How does the trip indicator work on the FAB36060?
The FAB36060 features a visual trip indicator. When the breaker trips due to an overcurrent or short circuit, the handle snaps to a center position, making it easy to identify the tripped breaker in a crowded panelboard.
What wire sizes are accepted by the standard lugs on the FAB36060?
The factory-installed mechanical lugs on the FAB36060 accept copper or aluminum wire gauges ranging from 14 AWG up to 1/0 AWG.
What does the LI trip function code mean on the FAB36060?
The LI code indicates that the breaker provides Long-Time and Instantaneous trip functions. The long-time function protects against sustained overloads, while the instantaneous function provides immediate tripping during a short circuit.
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