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Square D FAB36100 Molded Case Circuit Breaker
- 100A
- 3 Pole
- Bolt-On
Square D
FAB36100
Molded Case Circuit Breaker
Brand
Square D
SKU
FAB36100
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Square D FAB36100 - 100A 3 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial distribution, the Square D FAB36100 is a 3-pole, 100A molded case circuit breaker from the legacy F-Frame family. It provides reliable overcurrent protection for heavy-duty electrical systems. This unit mounts into Square D I-Line panelboards using a secure bolt-on connection. It serves as a direct replacement for older setups and is superseded by the BDA36100. Rated 25kAIC at 240VAC, it features fixed thermal-magnetic trip and a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Part Number | FAB36100-R |
| Series | FAB |
| Amperage | 100A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 25kA @ 240VAC, 18kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu), 12-1/0 AWG (Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489, W-C-375B/GEN |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
6 answersWhat is the difference between the FA36100 and the FAB36100?
The FA36100 is a standard unit-mount circuit breaker, while the FAB36100 is the I-Line version designed specifically to mount into Square D I-Line panelboards. The "B" in the prefix designates the I-Line mounting jaw.
What is the modern replacement for the discontinued FAB36100?
Schneider Electric has discontinued the legacy F-frame series. The recommended direct replacement for the FAB36100 in I-Line panelboards is the PowerPacT B-frame breaker, specifically catalog number BDA36100.
Can the trip settings on the FAB36100 be adjusted in the field?
No, the FAB36100 features a fixed thermal-magnetic trip unit. Both the long-time thermal overload and instantaneous magnetic short-circuit trip functions are factory-set and non-interchangeable.
What wire sizes are compatible with the standard lugs on the FAB36100?
The factory-installed lugs accept 14 AWG to 1/0 AWG copper conductors, or 12 AWG to 1/0 AWG aluminum conductors.
Is the FAB36100 suitable for DC power systems?
Yes, the FAB36100 is rated for use in DC applications up to 250VDC, providing a 10kA interrupting capacity for direct current systems.
Will the FAB36100 fit in a standard QO or NQ load center?
No, the FAB36100 is an I-Line style bolt-on circuit breaker. It is exclusively compatible with Square D I-Line panelboards and switchboards, and will not fit in QO, NQ, or NF series panels.
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