Square D SFA1100A 100A 1-Pole MCCB – I-Line Mount – 240V AC

The Square D SFA1100A Molded Case Circuit Breaker (MCCB) is a high-performance overcurrent protection device designed for commercial and industrial electrical distribution systems. Part of the Square D SFA Series by Schneider Electric, this 100 Amp, single-pole breaker is engineered for reliable protection, fast installation, and compatibility with Square D I-Line panelboards. It is suitable for HVAC and general-purpose applications requiring dependable circuit protection and high interrupting capacity.

Voltage and Rating

• Current Rating: 100 Amps
• Voltage Rating: 240 Volts AC
• Phase: 1-Phase

Key Specifications

• Brand: Square D
• Manufacturer: Schneider Electric
• Series: SFA Series
• Model Number: SFA1100A
• Product Type: Molded Case Circuit Breaker (MCCB)
• Number of Poles: 1-Pole
• Mounting Type: I-Line (plug-in)
• Terminal Type: Lugs
• Application: Commercial Power Distribution Systems
• Compatibility: Square D I-Line Panelboards

Electrical Performance

• Interrupting Capacity (AIC): 25 kA @ 240VAC
• Trip Technology: Thermal-Magnetic
• Trip Function Code: LI (Long-Time, Instantaneous)
• Trip Function: Long-Time + Instantaneous Protection
• Trip Adjustability: Fixed Thermal, Fixed Magnetic
• HACR Rated: Yes

Technical Specifications

• Wire Size Range: 14 AWG to 1/0 AWG
• Maximum Wire Size: 1/0 AWG
• Minimum Wire Size: 14 AWG
• Operating Temperature: -25°C to 70°C
• Construction: Non-interchangeable Trip Unit

Features and Benefits

• High interrupting capacity ensures reliable protection in demanding electrical systems.
• I-Line mounting enables fast plug-in installation into compatible panelboards.
• Designed for HVAC and general commercial load applications.
• Fixed thermal and magnetic trip settings provide consistent protection performance.
• HACR rating supports heating, air conditioning, and refrigeration equipment loads.
• Compatible with Square D Power Distribution systems and accessories.
• Durable construction ensures long service life and reliable operation.

Accessories and Options

• Shunt Trip
• Auxiliary Switch
• Alarm Switch
• Undervoltage Release
• Padlock Attachment
• Phase A Connection (Factory Configured)

Standards and Compliance

• UL 489 Listed
• IEC 60947-2 Certified
• IEC and UL Approved Construction Standards
• HACR Rated for HVAC applications

Applications

• Commercial Electrical Distribution Systems
• HVAC Systems
• Industrial Power Panels
• Motor and Equipment Protection
• Square D I-Line Panelboards
• Building Electrical Infrastructure
• High-Load Distribution Circuits