Default product image

Square D QOB3401021 - 3-Pole 40A Circuit Breaker (10kA AIC)

Square D
Price
Save $165.11
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Square D QOB3401021 is a molded case circuit breaker designed for providing reliable overcurrent protection in three-phase electrical systems. It features a 40A current rating and a 120/240VAC voltage rating, housed within a compact 100A/QO frame with dimensions of 79 mm H x 76 mm W x 74 mm D and a weight of 1.2 lb. This thermal-magnetic shunt trip breaker utilizes a long-time and instantaneous (LI) trip function and a bolt-on connection with pressure plate terminals, accepting wire sizes from 8 to 2 AWG for copper or aluminum. It is CSA and UL listed, with a 10kA interrupting rating at 240V, and is engineered for installation in Square D NQOD panelboards within an operating temperature range of 40°C (104°F).

Key Features & Specifications
  • Type: Molded Case Circuit Breaker, Shunt Trip, Thermal-Magnetic Protection
  • Voltage Rating: 120/240V AC
  • Current Rating: 40 Amps
  • Frame Size: 100A/QO
  • Poles: 3
  • AIC Rating: 10kA @ 240V
  • Trip Function: LI (Long-time and Instantaneous)
  • Connection: Bolt-On, Pressure Plate Terminal
  • Wire Size Range: 8 to 2 AWG (Aluminum/Copper)
  • Dimensions: 79 mm H x 76 mm W x 74 mm D (3.1 in x 3.0 in x 2.9 in)
  • Weight: 1.2 lb
  • Standards & Certification: CSA, UL Listed
  • Compatible Panel Type: Square D NQOD Panelboards
  • Phase: 3
  • Operating Temperature: 40°C (104°F)


Product Identification
  • UPC: 785901494423
  • GTIN: 00785901494423