Overview
The Square D FA26020BC is a 2-pole, 20-amp molded case circuit breaker designed for industrial and commercial electrical distribution systems. This I-Line mounted unit is rated for 600V AC and provides reliable overcurrent protection across a range of starting conditions, making it suitable for multi-motor and combination loads common in HVAC, refrigeration, and general machinery control applications.
Key Features
- 2-pole configuration for balanced load protection
- I-Line mounting style for easy installation and field service
- Type FA thermal-magnetic trip mechanism
- HACR-rated for use on multi-motor and combination starting loads
- Includes mechanical and crimp lug connection options
- Industry-standard Square D reliability and performance
Technical Specifications
- Poles: 2
- Amperage: 20A
- Voltage Rating: 480/600V AC
- DC Rating: 250V DC
- Interrupting Rating @ 240V AC: 25,000 AIC
- Interrupting Rating @ 480V AC: 18,000 AIC
- Interrupting Rating @ 600V AC: 14,000 AIC
- DC Interrupting Rating: 10,000 AIC @ 250V DC
- Trip Type: Thermal-Magnetic
- Weight: 3.5 lbs
- Dimensions (D × W × H): 5″ × 3″ × 7.5″ (add 1.5″ for bottom bracket)
- Series: FA-Frame
- Certifications: UL Listed, CSA Certified
Typical Applications
The FA26020BC is widely used in:
- Three-phase industrial motor circuits
- HVAC and refrigeration equipment starters
- Combination motor-and-lighting loads
- Commercial distribution panels and switchboards
- Plant machinery and production line control circuits
- OEM equipment and custom switchgear assemblies
Compatibility & Replacements
Compatible With
- Square D I-Line panelboards and enclosures
- Square D switchboard distribution systems
- Standard industrial electrical control systems
- NQOD and equivalent molded case breaker mounting bases
Replaces / Drop-In Replacement For
The FA26020BC directly replaces earlier FA-frame 2-pole 20A breakers. Verify specific model compatibility with your system integrator before ordering, as frame and lug styles may vary by vintage and application.
Works With
- Mechanical and crimp lug connection systems
- Standard industrial control wiring (copper and aluminum)
- 60 Hz AC distribution systems
- Motor starters and combination controllers
- Thermal overload relay and adjustable trip devices (field-installable)
