Default product image

Square D QOU390 - 3-Pole 90A Circuit Breaker (10kA AIC, 240V)

Square D
Price
Save $292.89
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Square D QOU390 is a molded case circuit breaker designed for providing reliable overcurrent and short-circuit protection in three-phase industrial applications. It features a 90A current rating and a 240V AC voltage rating, housed within a compact 100A frame with dimensions of 113.03 mm H x 57.15 mm W x 74.93 mm D and a weight of 1.43 lb. The breaker is constructed with a thermal-magnetic trip unit for long-time and instantaneous (LI) protection and utilizes non-reversible slotted box lug terminals compatible with wire sizes from 12 AWG to 2/0 AWG. It complies with CSA, IEC, and UL standards and is commonly applied in panelboards for air conditioning, refrigeration equipment, and heating systems.

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Standard, Thermal-Magnetic Protection
  • Voltage Rating: 240V AC
  • Current Rating: 90A
  • Dimensions: 113.03 mm H x 57.15 mm W x 74.93 mm D (4.45 in x 2.25 in x 2.95 in)
  • Weight: 1.43 lb
  • Standards: CSA, IEC, UL Listed
  • Applications: Air Conditioning, Refrigeration Equipment, Heating Panelboards
  • Switch Type: Circuit Breaker
  • Configuration: Unit Mount
  • Phase: 3
  • Amperage: 90A
  • AIC Rating: 10kA @ 240V
  • Connection: Slotted Box Lug (Non-Reversible Line and Load)
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: Long-Time and Instantaneous (LI)
  • Frame Size: 100A/QOU
  • Trip Type: Thermal-Magnetic
  • Panel Type: Air Conditioning and Refrigeration Equipment, Heating
  • Breaker Type: Standard
  • MCM Size: Min. Wire Size 12 AWG, Max. Wire Size 2/0 AWG
  • Wire Size: AWG 12 to AWG 2/0 (aluminium/copper)
  • Certification: IEC, UL Listed
  • Family: QOU Series
  • Country of Origin: Mexico


Product Identification
  • UPC: 785901060321
  • GTIN: 00785901060321