QO2901021 - Square D QO 90A 2-Pole 120/240VAC 10kA Miniature Circuit Breaker with AC Shunt Trip

QO2901021

QO2901021 is a Square D QO series 2-pole miniature circuit breaker rated for 90 amps at 120/240VAC, featuring a 10kA interrupt rating and plug-in mounting. This breaker includes an AC shunt trip for remote operation and is designed for reliable protection in commercial and industrial applications. This QO2901021 circuit breaker is built for durability and safety, with box lug terminals compatible with #4 to #2/0 AWG aluminum or copper conductors. It is calibrated for use at 40 degrees C and is suitable for use in QO load centers. The breaker provides long-time and instantaneous thermal magnetic protection, ensuring effective response to overloads and short circuits.

• 90 Amp rated current
• 120/240VAC voltage rating
• 2-pole configuration
• 10kA interrupt rating at 120/240VAC
• Plug-in mounting
• Box lug terminals (#4 to #2/0 AWG Al/Cu)
• AC shunt trip included
• Thermal magnetic trip unit
• QO series frame
• Calibrated for 40°C operation
• 3-panel space design
• Long-time and instantaneous protection

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Specifications

• Part Number: QO2901021
• Manufacturer : Schneider Electric
• Brand : Square D
• Category : Circuit Breaker
• Item Subcategory : Molded Case
• Family : QO Series
• Type : QO
• Voltage : 240
• Amperage : 90
• Phase : 1
• Poles : 2
• AIC rating : 10kA@240V
• Connection : Plug-In
• Functions : LI - Long-Time and Instantaneous
• Protection : Thermal Magnetic

Product Data

• UPC : 785901030553
• GTIN : 00785901030553
• Dimensions : 3.5 in (89 mm) x 2.2 in (57 mm) x 2.9 in (74 mm) (Height x Width x Depth)
• Weight : 1