QO350
MINI CIRCUIT BOARD, 50A, 240VAC, 3 POLE
- Manufacturer: SQUARE D BY SCHNEIDER ELECTRIC
- Product type: Thermal Magnetic Circuit Breakers
- Product Range:QO Series; Current Rating:50A; No. of Poles:3 Pole; Voltage Rating VDC:-; Voltage Rating VAC:240V; Circuit Breaker Mounting:Plug In 80C4406
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 188.82 € |
| Current stock | 10+ |
| Lead time | 30 days |
## **Product data sheet** Specifications ## Mini circuit breaker, QO, 50A, 3 pole, 120/240VAC, 10kA, plug in mount QO350 **Product availability : Stock - Normally stocked in distribution facility** ## **Price* : 248.00 USD** ## **Main** |**Main**|| |---|---| |**Product**|Miniature circuit-breaker| |**Range**|QO| |**Current Rating**|50 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**|Box lugs| |**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 8...AWG 2 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**|3.11 in (79 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** 785901400806 **Returnability** Yes **Country of origin** MX ## **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**|3.10 in (7.874 cm)| |**Package 1 Weight**|13.28 oz (376.482 g)| |**Unit Type of Package 2**|BB1| |**Number of Units in Package 2**|3| |**Package 2 Height**|3.70 in (9.398 cm)| |**Package 2 Width**|2.20 in (5.588 cm)| |**Package 2 Length**|7.10 in (18.034 cm)| |**Package 2 Weight**|2.60 lb(US) (1.179 kg)| |**Unit Type of Package 3**|CAR| |**Number of Units in Package 3**|36| |**Package 3 Height**|3.70 in (9.398 cm)| |**Package 3 Width**|14.40 in (36.576 cm)| |**Package 3 Length**|21.70 in (55.118 cm)| |**Package 3 Weight**|31.60 lb(US) (14.334 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| |**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 **QO350** ## **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.
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