Square D QOB31001021: 100 Amp, 3-Pole, thermal magnetic circuit breaker with AC shunt trip, 120/240V, 10kA interrupt rating, bolt-on mounting, HACR rated, UL listed.
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Manufacturer: Schneider Electric
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Brand: Square D
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Product Range: QO / QOB (for Square D QO and QOB loadcenters and panelboards)
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UPC: 785901031024
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Model Number: QOB31001021
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Breaker Type: Thermal Magnetic Circuit Breaker with AC Shunt Trip
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Amperage: 100 Amps
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Poles: 3-Pole
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Voltage: 120/240 Volts AC
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Interrupt Rating: 10 kAIC
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Mounting Mode: Bolt-On
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Connection Terminals: Box Lugs
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Wire Size: #4–2/0 AWG Cu/Al
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Tightening Torque: 49.6 lb-in
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Dimensions: Height: 3.50 in; Width: 3.00 in; Depth: 2.90 in
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Weight: 1.349 lbs
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Certifications: UL Listed, CSA Certified, HACR Rated
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Trip Sensitivity: Not Applicable
This Square D QOB31001021 100A 3-pole bolt-on thermal magnetic circuit breaker with AC shunt trip provides reliable overcurrent protection and remote tripping capability for 120/240V systems in QO and QOB loadcenters and panelboards, supporting commercial and industrial control applications.