FA24040BC - 40 Amp Circuit Breaker

FA24040BC - 40 Amp Circuit Breaker

Unlock dependable circuit protection with the FA24040BC from Schneider Electric (also marketed under the Square D brand). This 40 Amp, 2-pole I-Line style breaker is built for serious performance—whether you're upgrading an electrical panel, planning new installations in a commercial or industrial setting, or ensuring resilient circuit protection in demanding environments. With its thermal-magnetic trip unit, 480 V rating and legacy reliability, the FA24040BC delivers strong value with minimal complexity.

Key Features and Benefits

• High-performance protection: The FA24040BC combines thermal and magnetic trip mechanisms to respond effectively to both overloads and short-circuit events—giving you fast response when it matters.
• Ideal for heavier loads: With a 40 A current rating at up to 480 V AC, this breaker is well-suited to industrial-grade panels and commercial installations where durability and reliability are non-negotiable.
• Trusted specifications: This unit supports a breaking capacity of 18 kA at 480 V AC and up to 25 kA at 240 V AC, making it capable of interrupting significant fault currents safely.
• Compact, space-efficient design: Measuring approximately 6.4 in (162.6 mm) high × 3 in (76.2 mm) wide × 4.13 in (104.9 mm) deep, the FA24040BC fits well where panel space is at a premium.
• Proven brand and quality: Backed by Schneider Electric/Square D engineering and a contract warranty of 18 months, you’re investing in a product that’s built to last.

Technical Specifications

• Voltage rating: 480 V AC (also verified for 250 V DC system)
• Current rating: 40 A
• Number of poles: 2 (2-pole breaker)
• Mounting mode: I-Line plug-in style
• Breaking capacity: Code A — 18 kA @ 480 V AC, 25 kA @ 240 V AC, 10 kA @ 250 V DC
• Electrical connections: I-Line connection (line) and lugs (load) recommended AWG sizes Cu #14–#1/0, Al #12–#1/0
• Terminal identifier: AL100FA
• Dimensions: Height 6.4 in (162.6 mm) · Width 3.0 in (76.2 mm) · Depth 4.13 in (104.9 mm)

Material Compliance and Certifications

• Certifications: The FA24040BC is certified by UL and CSA, aligning with recognized safety and performance standards—giving you peace of mind that it’s been tested and approved.
• Eco-Compliance: It also adheres to eco-conscious credentials under Schneider Electric’s “Green Premium” label, offering compliance with RoHS and REACH regulations for clients attentive to environmental impact.
• Warranty: Contractual 18-month warranty reflects manufacturing confidence.

Where It Works Best

• Revised panels or upgrades in industrial plants or manufacturing facilities where a 40 A breaker at 480 V is required.
• Commercial spaces such as office buildings, retail complexes or service centers that demand dependable circuit protection for heavy loads.
• Installations or retrofits using I-Line type mounting and plug-in compatibility—especially where panel real estate is limited.
• Applications where high interrupt ratings are necessary—like machine control systems, HVAC equipment or critical branch circuits—ensuring the breaker can safely clear fault conditions.