LC36450 - 450 Amp Circuit Breaker

LC36450 - 450 Amp Circuit Breaker

Protect your power infrastructure with the LC36450 molded-case circuit breaker, engineered for demanding industrial and commercial settings. Manufactured by Schneider Electric / Square D, this 3-pole breaker delivers dependable overcurrent protection and high interrupting capacity—all in a compact, service-friendly package. Whether you're running heavy machinery or managing complex power systems, the LC36450 offers the security and performance you need to keep operations running smoothly.

Key Features & Benefits

• High capacity performance: Rated for 600 V AC and 450 A continuous service, the LC36450 handles demanding loads while offering reliable fault protection.
• Exceptional interrupting ability: Designed to interrupt high fault currents, it preserves system integrity even under extreme conditions.
• Long service life: Built with industrial-grade materials for consistent operation in challenging environments, minimizing downtime and maintenance.
• Safety-first design: The thermal-magnetic trip elements guard against both overloads and short circuits, adding critical protection to your electrical system.
• Space-efficient footprint: With its plug-in I-Line style configuration, it's easier to install and replace in tight panel setups, reducing labor time.

Technical Specifications

• Voltage Rating: 600 V AC
• Current Rating: 450 A
• Poles: 3 (three-phase)
• Trip Type: Thermal-magnetic (LI — long-time + instantaneous)
• Mounting Style: I-Line plug-in
• Interrupting Ratings (typical):
  • 35 kA @ 600 V
  • 65 kA @ 480 V
  • 100 kA @ 240 V
• Frame / Series: LC / I-Line family
• Dimensions (approx.): 11.86″ × 7.50″ × 6.74″ (HxWxD)
• Standards / Certification: UL 489, CSA, IEC 60947-2

Material Compliance & Certifications

• Green Premium® label: Reflects a commitment to more sustainable materials and lifecycle practices.
• RoHS / REACH compliant: Designed to meet strict environmental substance restrictions.
• California Proposition 65 warning: Contains DINP and DIDP chemicals known to the State of California to cause adverse health effects.

Where It Works Best

• Industrial Facilities: Ideal for use in factories, manufacturing plants, and large equipment rooms where reliable overcurrent protection is essential.
• Commercial Buildings: Great for distribution panels in large commercial complexes, data centers, and retail facilities that require secure, high-capacity current management.
• Utility & Infrastructure: Useful in utility substations, switchgear, and power distribution centers, safeguarding critical grid segments.
• Panel Upgrade or Retrofit Projects: Its plug-in I-Line style makes it a wise choice for system modernization or replacements without complete panel rebuilds.