Skip to content
  • Product Image of QOB390 - 90A Circuit Breaker #1
** Picture is for identification purposes only and may not represent the actual amperage of the product listed **
scroll for more

QOB390 - 90A Circuit Breaker

  • 90 Amp
  • 10k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: QOB390

Purchase Options: New In Box

Quantity
$142.86

QOB390 - 90A Circuit Breaker Description

QOB390 90A Circuit Breaker

The QOB390 circuit breaker is a top-tier product in the renowned Schneider Electric QO series, designed to deliver exceptional performance and reliability for both residential and commercial electrical systems. This miniature circuit breaker is rated at 90 amps and supports 120/240 volts AC, making it ideal for a wide range of applications where robust overcurrent protection is required. Its 10kA interrupt rating ensures safe and effective disconnection under fault conditions, providing peace of mind in protecting your electrical circuits from potential hazards.

Key Features and Benefits:

  • High Performance: With a 90A current rating, the QOB390 is engineered to handle substantial electrical loads, ensuring efficient operation in demanding environments.
  • Triple Protection: The 3-pole configuration offers comprehensive protection for three-phase systems, making it versatile for use in various industrial and commercial setups.
  • Bolt-On Mounting: Designed for secure and easy installation, the bolt-on mounting ensures stable connection and reduces installation time, enhancing overall system safety.
  • VisiTrip Indicator: This innovative feature provides a clear, visual indication when the breaker has tripped, simplifying troubleshooting and maintenance.
  • Thermal Magnetic Mechanism: Combines both thermal and magnetic trip functions to provide reliable protection against both overloads and short circuits.

Technical Specifications:

  • Amperage: 90A
  • Voltage: 120/240 VAC
  • Interrupting Capacity: 10kA
  • Mounting Type: Bolt-On
  • Number of Poles: 3
  • Electrical Connection: Box lugs for easy and secure wiring
  • Wire Size: Compatible with AWG 4 to AWG 2/0 copper or aluminum wires
  • Dimensions: Height 3.50 in (89 mm), Width 2.24 in (57 mm), Depth 2.91 in (74 mm)
  • Weight: 1.08 lbs (0.49 kg)

Material Compliance and Certifications:

  • Certifications: The QOB390 is UL Listed under UL File E84967 and CSA Certified under CSA Master Contract 153555, ensuring compliance with industry safety and performance standards.
  • RoHS/REACh Compliance: Adheres to RoHS and REACh environmental regulations, reflecting Schneider Electric’s commitment to sustainability and safety.
  • Environmental Rating: Rated for operation at ambient temperatures up to 104°F (40°C), suitable for a variety of climates and environments.

Suitability:

  • The QOB390 is suitable for a wide array of applications, from protecting residential electrical systems to safeguarding complex commercial installations. Its robust design and high interrupting capacity make it ideal for use in critical areas such as data centers, industrial facilities, and large office buildings where reliable and efficient circuit protection is paramount. Whether you are an electrician, contractor, or facility manager, the QOB390 provides a reliable solution to meet your overcurrent protection needs.

Specifications

  • width:2.25
  • length:3.5
  • height:2.5
  • Poles:3
  • Amperes:90
  • A.I.C. Rating & Volts:10k @ 240VAC
  • Type:QOB
  • Approx Dimensions:2.25"W x 3.50"L x 2.50"D
  • Additional Notes:Bolt-On Circuit Breaker

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® 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, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

Similar Products

Why Us?

Free Shipping

Free shipping on orders over $100

100k+ Happy Customers

4.9 Google rating

Secure Shopping

Feel protected with every transaction