Overview
The Square D FA26020BC is a molded-case I-Line circuit breaker designed for industrial electrical protection in 480/600V systems. As a used unit, it offers cost-effective replacement or upgrade capability for control panels and distribution systems. This FA-series type breaker includes a set of lugs for secure terminal connections and is rated for 20-amp load protection across two poles.
Key Features
- 2-pole, 20-amp thermal-magnetic trip mechanism
- Rated for 480/600V AC operation
- I-Line style plug-in or unit mounting compatibility
- Includes terminal lugs for quick installation
- HACR-compliant design for motor-circuit protection
- Compact 5" × 3" footprint for panel space efficiency
Technical Specifications
- Interrupting Rating: 25,000 amps @ 240V; 18,000 amps @ 480V; 14,000 amps @ 600V; 10,000 amps @ 250V DC
- Amperage Rating: 20A
- Pole Configuration: 2-pole
- Voltage Rating: 480/600V AC, 250V DC
- Trip Type: Thermal-Magnetic
- Mounting: I-Line style, unit mounting capable
- Dimensions: 5" D × 3" W × 7.5" H (add 1.5" for bottom bracket)
- Weight: 3.5 lbs
- Includes: Set of lug terminals
- Certifications: UL and CSA listed
- Series: Square D I-Line FA type
Typical Applications
The FA26020BC is well-suited for industrial automation control systems, motor branch circuits, feeder protection, and general industrial power distribution. Its HACR rating makes it particularly suitable for motor-starting duty where inrush current and thermal cycling are common. Ideal for retrofit or spare-parts inventory in existing Square D I-Line panel configurations.
Compatibility & Replacements
Compatible With
- Square D I-Line panelboards and distribution cabinets
- Motor control centers (MCCs) using FA-series breakers
- Industrial control systems rated 480/600V
- Drive enclosures and power distribution systems requiring 20A 2-pole protection
Replaces / Drop-In Replacement For
The FA26020BC directly replaces other Square D FA26020 variants and compatible I-Line 20A 2-pole breakers within the same voltage class. Verify compatibility with your system integrator before ordering, as breaker pin configurations and mounting styles may vary.
Works With
- Square D I-Line enclosures and plug-in rail systems
- Standard DIN-rail and panel-mount installations
- Thermal overload relays and motor protection devices
- Shunt trips and auxiliary contact kits (sold separately)
