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Square D RLF36120U31A - Molded Case Circuit Breaker 1200A 600V

Square D
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Square D RLF36120U31A is a premium-performance molded-case circuit breaker from Schneider Electric designed for heavy-duty industrial power-distribution systems. It provides LI (Long-Time and Instantaneous) protection with a rated current of 1200 A at 80% and a voltage rating of 600V AC, featuring a high interrupting capacity of 100 kA at 480V AC. The unit measures 16.24 in (412.50 mm) in height, 16.54 in (420.12 mm) in width, and 14.49 in (368.05 mm) in depth, weighs 88.185 lb, and utilizes a bolt-on connection with AL2500RK terminal connections for AWG 3/0...750 kcmil aluminium/copper wire. It complies with UL, CSA, NEMA, NMX J-266, and IEC 60947-2 standards, with certifications from UL, CSA, and NOM. This 3-phase breaker is typically applied in industrial power distribution systems requiring robust overcurrent protection.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Item Subcategory: Molded Case
  • Country of Origin: United States
  • Type: RLF
  • Dimensions: 16.24 in (412.50 mm) x 16.54 in (420.12 mm) x 14.49 in (368.05 mm) (Height x Width x Depth)
  • Weight: 88.185 lb
  • Terminal Connection: AL2500RK
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: 1200
  • Voltage Rating: 600V
  • Poles: 3
  • Connection: Bolt-On
  • Standards: UL, CSA, NEMA, NMX J-266, IEC 60947-2
  • Wire Size: AWG 3/0...750 kcmil aluminium/copper
  • Certification: UL, CSA, NOM
  • AIC rating: 100kA@480V
  • Phase: 3
  • Trip Type: MicroLogic 3.0
  • Current Rating: 1200A
  • Current Rating: 80%
  • Series: PowerPacT R-Frame
  • Interrupting rating: 50 kA at 600 V AC
  • Mounting: Unit-mount, busbar connection