Free UPS Ground on All Orders!
+1 (919) 205-4392
Schneider Electric Square D QO3801021

Product image is representative; revision or series may vary. Contact us to request a specific version.

QO3801021

|

The QO3801021 miniature circuit breaker from Schneider Electric’s Square D series is designed for reliable circuit protection. It operates effectively with a voltage range of 120 to 240 volts AC and has a maximum rated current of 80 amperes.

Call for an immediate quote
2 Year DO Supply Warranty
Available
Ships from Raleigh, NC
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
Learn more

Technical specifications for QO3801021

ManufacturerSchneider Electric
Product TypeMiniature Circuit Breaker
Product LineSquare D
Part NumberQO3801021
UPC785901030584
Weight1.00 lbs (0.45 kg)
Number of Poles3 poles
Rated Current80 Amperes
Voltage Rating120 to 240 Volts AC
Circuit Breaker TypeStandard circuit breaker
Ambient Operating Temperature0 to 40°C (in a non-condensing environment)
Electrical Connection TypeBox lugs
Interrupt Rating10 kiloamperes at 120 to 240 Volts AC
Compliance StandardsUL and CSA-approved
Compatible Conductor MaterialCopper or aluminum
Conductor SizeAWG 4 to AWG 2/0
Mounting MethodPlug-in mount
Shunt Trip120, 208, or 240 Volts AC

The QO3801021 circuit breaker by Schneider Electric is an essential device for managing electrical circuits. This miniature circuit breaker is suitable for installations operating at voltages between 120 and 240 volts AC, making it versatile for various applications. Designed to handle a rated current of up to 80 amperes, it ensures effective circuit protection against overloads and faults.

With three poles, the circuit breaker features a compact form factor, measuring 3.5 inches in height, 3 inches in width, and 2.9 inches in depth (or 89 mm tall, 76 mm wide, and 74 mm deep). It weighs approximately 1.36 pounds (0.61 kilograms), ensuring it remains manageable for installation.

This device operates optimally in ambient temperatures ranging from 0 to 40°C within non-condensing scenarios, which contributes to longevity and reliability. It can safely interrupt currents up to 10 kiloamperes under the specified voltage ratings, enhancing the safety of your electrical systems.

Manufactured to meet UL and CSA certification standards, the QO3801021 is trustworthy and compliant for use in residential and commercial environments. It accommodates standard box lugs for its electrical connections and supports conductor materials such as copper or aluminum, acceptable in sizes from AWG 4 to AWG 2/0. For installation, it employs a plug-in mounting method, and the included shunt trip can operate at voltages of 120, 208, or 240 volts AC.