Square D QOB350 Miniature Circuit Breaker – 50A – 3-Pole – 120/240V – 10kA – Bolt-On – QO Series

The Square D QOB350 is a 50A, 3-pole bolt-on miniature circuit breaker from the QO Series. It features thermal-magnetic circuit protection and is designed for compatible electrical distribution applications. The breaker is rated for 120/240VAC systems, provides a 10kA interrupting rating, and uses box-lug terminals for copper or aluminum conductors.

Specifications:

• Manufacturer : Schneider Electric / Square D
• Product Type : Miniature Circuit Breaker
• Catalog No. : QOB350
• Alternate Model : Q0B350
• Product Family : QO Series
• Breaker Type : Standard Circuit Breaker
• Current Rating : 50A
• System Voltage : 120VAC, 120/240VAC, 240VAC, 48VDC
• Number of Poles : 3-Pole
• Phase : 3-Phase
• Protection Type : Thermal-Magnetic
• Mounting Type : Bolt-On
• Electrical Connection : Box Lugs
• Interrupting Rating : 10kA
• Ratings : HACR Rated
• Wire Size : 8–2 AWG Copper or Aluminum
• Application : Branch Circuit Overload and Short-Circuit Protection
• Brand : Square D
• Authenticity : Genuine Schneider Electric / Square D Product

Part Numbers & Identification:

• Manufacturer Part Number (MPN) : QOB350
• Catalog Number : QOB350
• Alternate Model : Q0B350
• Product Family : Square D QO Miniature Circuit Breakers
• Series : QO
• Brand : Square D
• Manufacturer : Schneider Electric
• Product Type : Bolt-On Miniature Circuit Breaker
• Model : QOB350
• Breaker Configuration : 3-Pole, 50A
• upc: 785901417163

Compatibility:

Designed for use with compatible Square D / Schneider Electric QO Series electrical distribution equipment that accepts QO bolt-on circuit breakers. The QOB350 is a 3-pole, 50A, 120/240V bolt-on breaker intended for compatible three-phase electrical distribution applications.

The breaker uses box-lug terminals and accommodates 8–2 AWG copper or aluminum conductors. Always verify the specific panelboard or load center model, approved breaker type, system voltage, pole configuration, interrupting rating, wire size, and installation requirements before installation.

Certifications:

• QO Series
• 50A Rating
• 3-Pole / 3-Phase
• 120/240VAC Rated
• Thermal-Magnetic Protection
• Bolt-On Mounting
• Box-Lug Electrical Connection
• 10kA Interrupting Rating
• HACR Rated
• 8–2 AWG Copper or Aluminum
• Genuine Schneider Electric / Square D Product

Returns are easy

You may return items within 10 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.