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Square D FA34070-1021 - 70A 3-Pole Molded Case Circuit Breaker (480V)

Square D
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Square D FA34070-1021 is a molded case circuit breaker designed to protect electrical circuits from overloads and short circuits. It is rated for 70 amps at 480 volts AC and features thermal magnetic protection with long-time and instantaneous trip functions. This three-pole breaker utilizes an I-Line style plug-in mounting and weighs 5.19 lb, with load side lug terminals accommodating wire sizes from AWG 14 to AWG 4 for copper and AWG 12 to AWG 4 for aluminum. It is certified by CSA and UL, with an AIC rating of 18 kA at 480 V AC, 25 kA at 240 V AC, and 10 kA at 250 V DC. Typical applications include industrial and commercial three-phase power distribution systems.

Key Features & Specifications
  • Type: FA
  • Functions: LI - Long-Time and Instantaneous
  • Circuit Breaker Mounting Style: I-Line
  • Voltage Rating: 480V
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Wire Size: AWG 14, AWG 4 Copper)1, AWG 12, AWG 4 Aluminium)1
  • Certification: CSA, UL
  • AIC rating: 10 kA 250 V DC, 25 kA 240 V AC, 18 kA 480 V AC
  • Phase: 3
  • Current Rating: 70A
  • Amperage: 70A
  • Voltage: 480VAC
  • Mounting Type: I-Line plug-in
  • Interrupt Rating: 18kA at 480V
  • Frame/Series: FA
  • Trip Unit: Thermal Magnetic with LI (long-time and instantaneous trip)
  • Terminal Connection: Load side lug
  • Dimensions (LxWxH): 4.13 x 4.5 x 6.4 inches
  • Temperature Rating: 40 °C


Product Identification
  • UPC: 7.85901E+11
  • GTIN: 7.85901E+11