Description
The Square D FA26100AC is a two-pole molded case circuit breaker designed to provide reliable overcurrent and short-circuit protection in high-voltage power distribution systems. Rated at 100 amps, this breaker supports thermal-magnetic trip functionality and I-Line style plug-in mounting for efficient panelboard installation. It is engineered for single-phase applications operating up to 600 VAC and 250 VDC.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Circuit Protection |
| Part Number |
FA26100AC |
| Subcategory |
Circuit Breakers |
| Series |
FA |
| Product Type |
Molded Case Circuit Breaker |
| Frame Type |
F |
| Rated Current |
100 A |
| Number of Poles |
2 |
| Phase |
Single Phase |
| Voltage Rating |
Up to 600 VAC, 250 VDC |
| Protection Type |
Thermal-Magnetic |
| Interrupting Rating |
25 kA @ 240 V; 18 kA @ 480 V; 14 kA @ 600 V |
| Mounting Type |
I-Line Style Plug-In |
| Functions |
Long-Time and Instantaneous (LI) |
| Ambient Temperature Rating |
40 °C |
| Dimensions (H x W x D) |
6.4 x 3.0 x 4.13 in |
| Weight |
3.2 lb |
Information About FA26100AC
The FA26100AC is part of Square D’s FA series within the I-Line family of molded case circuit breakers, developed for compact and dependable power distribution. This breaker utilizes a thermal-magnetic trip unit that provides long-time overload protection combined with instantaneous short-circuit response. It is designed for use in compatible I-Line panelboards and supports standardized plug-in mounting for secure electrical connections. Built to meet UL and CSA requirements, the device is intended for commercial and industrial environments requiring consistent circuit protection.
Key Features:
- 100 Amp Current Rating: Supports protection of higher-load branch and feeder circuits.
- Two-Pole Configuration: Designed for single-phase electrical system applications.
- High Voltage Capability: Rated for operation up to 600 VAC and 250 VDC.
- Thermal-Magnetic Protection: Combines long-time and instantaneous trip functions.
- I-Line Style Plug-In Mounting: Enables fast, secure installation in compatible equipment.
- Robust Interrupting Ratings: Rated up to 25 kA at 240 V and 18 kA at 480 V.
- UL and CSA Certified: Meets recognized electrical safety and performance standards.
The FA26100AC delivers the reliability and precision required for commercial and industrial circuit protection.