QO320
MINI CIRCUIT BREAKER, 20A, 240VAC, 3POLE
- Manufacturer: SQUARE D BY SCHNEIDER ELECTRIC
- Product type: Thermal Magnetic Circuit Breakers
- Product Range:QO Series; Current Rating:20A; No. of Poles:3 Pole; Voltage Rating VDC:-; Voltage Rating VAC:240V; Circuit Breaker Mounting:Plug In 18C3000
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 213.38 € |
| Current stock | 10+ |
| Lead time | 30 days |
## **Product data sheet** Specifications ## Mini circuit breaker, QO, 20A, 3 pole, 120/240VAC, 10kA, plug in mount QO320 **Product availability : Stock - Normally stocked in distribution facility** ## **Price* : 248.00 USD** ## **Main** |**Main**|| |---|---| |**Product**|Miniature circuit-breaker| |**Range**|QO| |**Current Rating**|20 A| |**Voltage Rating**|120/240 V AC| ||240 V AC| ||120 V AC| |**Mounting Type**|Plug-in| |**Number of Poles**|3P| |**Circuit Breaker Type**|Standard| |**Ratings**|HACR rated| |**Electrical Connection**|Pressure plate| |**Complementary**|| |**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**|44.25 lbf.in (5 N.m) 0.02…0.04 in² (10…25 mm²) (AWG 8...AWG 2)| |**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)| |**Environment**|| |**Certifications**|UL Listed| ||CSA| |**Ambient Rating**|104 °F (40 °C)| ## **Ordering and shipping details** |**Category**|00012-QO 3 POLE CIRCUIT BREAKER|00012-QO 3 POLE CIRCUIT BREAKER|00012-QO 3 POLE CIRCUIT BREAKER| |---|---|---|---| |**Discount Schedule**|DE2A||| * Price is “List Price” and may be subject to a trade discount – check with your local distributor or retailer for actual price. **May 19, 2023** **1** **GTIN** 785901400684 **Returnability** Yes MX **Country of origin** ## **Packing Units** |**Packing Unitsg Units Units**|| |---|---| |**Unit Type of Package 1**|PCE| |**Number of Units in Package 1**|1| |**Package 1 Height**|2.60 in (6.604 cm)| |**Package 1 Width**|2.20 in (5.588 cm)| |**Package 1 Length**|3.00 in (7.62 cm)| |**Package 1 Weight**|13.62 oz (386.0 g)| |**Unit Type of Package 2**|BB1| |**Number of Units in Package 2**|3| |**Package 2 Height**|3.80 in (9.652 cm)| |**Package 2 Width**|2.20 in (5.588 cm)| |**Package 2 Length**|7.20 in (18.288 cm)| |**Package 2 Weight**|2.50 lb(US) (1.134 kg)| |**Unit Type of Package 3**|CAR| |**Number of Units in Package 3**|36| |**Package 3 Height**|3.80 in (9.652 cm)| |**Package 3 Width**|14.40 in (36.576 cm)| |**Package 3 Length**|21.60 in (54.864 cm)| |**Package 3 Weight**|3.06 lb(US) (1.388 kg)| ## **y** |**Offer Sustainability**<br>**Sustainable offer status**|| |---|---| |**Sustainable offer status**|Green Premium product| |**REACh Regulation**|REACh Declaration| |**EU RoHS Directive**|Compliant| ||EU RoHS Declaration| |**Toxic heavy metal free**|Yes| |**Mercury free**|Yes| |**China RoHS Regulation**|China RoHS declaration| ||Product out of China RoHS scope. Substance declaration for your information.| |**RoHS exemption information**|Yes| |**Halogen content performance**|Halogen free product| ## **Contractual warranty** **Warranty** 18 months **2** **May 19, 2023** **Product data sheet** Technical Illustration **QO320** ## **Dimensions** **==> picture [471 x 409] intentionally omitted <==** **----- Start of picture text -----**<br> 0.75 0.75 0.75<br>19 19 19<br>in.<br>ee ee<br>mm<br>2.25<br>3.5 3.00<br>57<br>89 76<br>E I -<br>0.94<br>24<br>2.25 1.50 0.75<br>57 38 19<br>2.09 1.34 0.59<br>53 34 15<br>.16<br>0.53 0.53 0.38<br>4<br>13 13 10<br>| 4 Qy<br>2.91 .25<br>74 6<br>2.31 |<br>2.92<br>59<br>74<br>Pee d |<br>2.75<br>70<br>0.75 0.75 0.75<br>19 19 19<br>ON<br>3°<br>21°<br>26°<br>22°<br>Reset<br>OFF<br>Tripped<br>**----- End of picture text -----**<br> Dimensions are approximate. Refer to technical documentation, dimension drawings, and/or CAD for additional detail. ## **Recommended replacement(s)** **May 19, 2023** **3**
Updated at June 7, 2026
Square D, a premier brand of Schneider Electric, is a globally recognized leader in electrical distribution, power management, and industrial automation. Backed by Schneider Electric's legacy of engineering excellence dating back to 1836, Square D delivers robust, high-quality components designed to meet the rigorous demands of contractors, system integrators, and industrial facilities worldwide. The brand is highly regarded for its comprehensive portfolio of circuit protection and control equipment. Our extensive selection prominently features Square D circuit breaker accessories, alongside high-performance electromechanical time delay relays and advanced process controllers. These critical components are engineered to ensure safety, precision, and long-term reliability in complex power distribution and automation environments. Beyond core protection and control, Square D provides a versatile array of connectivity and sensing solutions essential for modern industrial systems. The product lineup includes durable power distribution blocks, DIN rail terminal blocks, and specialized liquid level sensors, offering engineers the essential building blocks required to optimize process control, motor operation, and automated signaling applications.
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 410,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →