Square D QOB290 Type QO Bolt-On Mini Circuit Breaker, 90A, 2-Pole, 120/240 VAC

Product Description

The Square D QOB290 Type QO Bolt-On Mini Circuit Breaker provides overcurrent protection and switching on AC and DC systems. This 2-pole circuit breaker features a trip-free toggle mechanism with quick make, quick break action, and positive handle indication. It is rated at 90A at 120/240VAC with a 10kA breaking capacity and bolt-on mounting.

• Overcurrent protection
• Switching on AC and DC systems
• Bolt-on mounting
• VisiTrip trip indication

Product Highlights

The Square D QOB290 is a 2-pole, 90A, 120/240VAC mini circuit breaker with bolt-on mounting and a 10kA interrupt rating, designed for overcurrent protection.

Product Information

Standard Information

• Brand: SQUARE D
• Manufacturer Part Number: QOB290
• Country of Origin: MX

Technical Specifications

• Type: Bolt On - Standard Trip
• Depth: 2.91 Inches
• Width: 1.5 Inches
• Height: 3.5 Inches
• Material: Thermoplastic
• Standard: UL 489
• Connection: Screw terminal
• Voltage Rating: 120/240 VAC
• Amperage Rating: 90 Amperes
• Number Of Poles: 2-Pole
• Interrupt Rating: 10 kAIC
• Country of Origin: MX
• Operating Temperature: 104°F
• Length: 2.91 Inch
• Current: 90 Amp
• Voltage: 120 Volt
• Sub Brand: QO
• Wire Size: 4-2/0 AWG copper or aluminium
• Applications: HACR rated
• Mounting Type: Bolt-on
• TC Connection: Box lugs
• Certifications: CSA,UL Listed
• Conductor Size: 4-2/0 AWG
• Line Rated Current: 90 A
• Circuit Breaker Type: Standard
• Short Circuit Current: 10 kA
• Brand: SQUARE D
• MPN: QOB290
• Installation: Bolt-On
• Application: Appliance, Lighting
• Used On: NQ Series Panelboard
• Approval: UL, CSA
• Frame Type: Q
• Tripping Method: Thermal Magnetic, Common Trip
• Includes: Visi-Trip Indicator
• Poles: 2 Pole
• Phase: 1 ph
• Frequency: 50/60 Hz
• Trip Type: Thermal Magnetic Trip
• Lug Type: Box Lug