
QO320
Square D QO320 3-Pole 20-Amp Circuit Breaker
Pairs well with
Experience top-tier overcurrent protection and seamless switching with QO and QOB series thermal magnetic circuit breakers. Designed for AC systems, these circuit breakers boast a robust construction and innovative features to safeguard your electrical circuits. Featuring a trip-free toggle mechanism, they ensure quick make and break actions with positive handle indication for added safety. Additionally, the VisiTrip trip indication offers visual feedback when the circuit breaker trips, providing enhanced circuit monitoring.
Key Features:
- Model: QO (Quick Open) / QOB (Quick Open Bolt-on)
- Poles: 3 Pole
- Current Rating: 20 A
- Voltage Rating: 120/240 V AC, 240 V AC, 120 V AC
- Mounting Type: Plug-in
- Circuit Breaker Type: Standard
- Ratings: HACR (Heating, Air Conditioning, and Refrigeration) rated
- Electrical Connection: Pressure plate
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Interrupt Rating:
- 10 kA @ 120/240 V AC 50/60 Hz
- 10 kA @ 240 V AC 50/60 Hz
- 10 kA @ 120 V AC 50/60 Hz
- Number of Panel Spaces: 3
- Wire Size: AWG 14...AWG 8 (copper or aluminium)
- Tightening Torque: 35.40 lbf.in (4 N.m)
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Dimensions:
- Height: 2.99 in (76 mm)
- Width: 2.24 in (57 mm)
- Depth: 2.91 in (74 mm)
- Net Weight: 0.85 lb(US) (0.386 kg)
- Certifications: UL Listed, CSA
- Ambient Rating: 104 °F (40 °C)
Ensure the utmost protection for your AC systems with QO and QOB circuit breakers. With their plug-in mounting and comprehensive range of features, these breakers offer reliability and convenience for various applications.
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Non-defective items may be returned within 30 days with a 30% restocking fee. Shipping costs are non-refundable, and return shipping is the customer’s responsibility. See our full Return Policy.
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