Description
The Square D FAP34090 is a three-pole molded case circuit breaker designed for dependable overcurrent and short-circuit protection in 480V power distribution systems. Rated at 90 amps, this breaker uses thermal-magnetic trip technology to provide consistent protection across varying load conditions. It is engineered for commercial and industrial panelboard applications requiring robust fault interruption capability.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Circuit Protection |
| Part Number |
FAP34090 |
| Subcategory |
Circuit Breakers |
| Product Type |
Molded Case Circuit Breaker |
| Frame Type |
F-Frame |
| Rated Current |
90 A |
| Number of Poles |
3 |
| Voltage Rating |
480 V AC |
| Trip Type |
Thermal-Magnetic |
| Interrupting Rating |
25 kA @ 240 VAC; 18 kA @ 480 VAC |
| Line Side Termination |
Busbar (No Lugs) |
| Load Side Termination |
Lugs |
| Height |
6 in |
| Width |
8.5 in |
| Depth |
13 in |
| Application |
Power Distribution |
| Weight |
8 lb (approx.) |
Information About FAP34090
The FAP34090 is part of Square D’s F-Frame molded case circuit breaker family, built to deliver reliable performance in demanding electrical environments. This breaker incorporates a thermal-magnetic trip unit that provides both long-time overload and instantaneous short-circuit protection. It features a busbar line-side connection and lug-type load-side termination, allowing secure integration into compatible distribution equipment. Designed for three-phase systems, the breaker meets industry standards for safe and compliant circuit protection.
Key Features:
- 90 Amp Current Rating: Supports medium-load branch and feeder circuit protection.
- Three-Pole Configuration: Ensures balanced protection across three-phase systems.
- 480V Voltage Rating: Designed for commercial and industrial power distribution networks.
- Thermal-Magnetic Trip Unit: Provides combined overload and instantaneous fault protection.
- High Interrupting Capacity: Rated up to 18 kA at 480 VAC and 25 kA at 240 VAC.
- Busbar Line-Side Connection: Enables direct mounting without line-side lugs.
- Lug Load-Side Termination: Allows secure conductor connections on the load side.
The FAP34090 delivers the reliability and precision required for three-phase power distribution protection.
