Square D™ QO™ QO390 Standard Miniature Circuit Breaker, 240 V AC, 90 A, 10 kA Interrupt, 3 Poles, Thermal Magnetic Trip
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 3 pole QO circuit breaker is rated at 90A at 120/240VAC. This unit provides 10kA breaking capacity and plug in mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.
-
BrandSquare D™
-
UPC785901004400
-
Manufacturer Part NumberQO390
-
CountryUSA
-
Temperature Rating40 deg C
-
Frequency Rating50/60 Hz
-
Trip TypeThermal Magnetic
-
TypeStandard
-
Connection TypeBox Lug
-
Mounting TypePlug-In
-
Voltage Rating240 V AC
-
Amperage Rating90 A
-
Wire Size4 to 2/0 AWG
-
Number of Poles3
-
Dimensions2.91 in L x 2.25 in W x 3.5 in H
-
Interrupt Rating10 kA
-
Phase3
- Reliable and durable
- Plug-on neutral design and shorter footprint for faster installs
- Simple design and clear instructions for quick setup
- Time-saving diagnostics with touch of a button
- Common trip
- 4 to 2/0 AWG aluminum/copper wire range
| Competitor Name | Competitor Part Number |
|---|---|
| Grainger | 1D331 |
-
Alternative Part Number8139492
-
UNSPSC39121603
-
IDEA Index ID8139492
-
Package DescriptionEACH
-
Standards/ApprovalsCSA Certified|HACR Rated|PROP65: This product can expose you to chemicals including: Diisononyl phthalate (DINP), which is known to the State of California to cause cancer and Di-isodecyl phthalate (DIDP), which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov|RoHS Compliant|UL Listed
-
Warranty18 months
-
RoHS
-
Specification Sheet
-
Owners/User Manual
-
Full Engineering Drawing
-
Technical Bulletin
Recently Viewed
Square D™ QO™ QO390 Standard Miniature Circuit Breaker, 240 V AC, 90 A, 10 kA Interrupt, 3 Poles, Thermal Magnetic Trip
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 3 pole QO circuit breaker is rated at 90A at 120/240VAC. This unit provides 10kA breaking capacity and plug in mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.
Square D™ QO130 Standard 1-Pole Miniature Circuit Breaker, 120/240 V AC, 30 A, 10 kA Interrupt, 1 Poles, Thermal Magnetic Trip
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 1 pole QO circuit breaker is rated at 30A at 120/240VAC. This unit provides 10kA breaking capacity and plug in mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.
Square D™ Homeline™ HOMT2020 Tandem Miniature Circuit Breaker, 120/240 V AC, 20 A, 10 kA Interrupt, 1 Pole, Thermal Magnetic Trip
Homeline miniature circuit breakers are engineered and designed for fast installation and superior circuit protection. Homeline circuit breakers are designed to plug into Homeline load centers to provide circuit protection. The HOMT circuit breaker is two single pole thermal magnetic circuit breakers manufactured in tandem. This tandem breaker occupies only one HOM pole space. Each single pole HOMT plug in circuit breaker provides an individual switching and tripping action. This tandem HOM plug in miniature tandem breaker with plug in mounting is rated 20A and 20A at 120/240 V. This circuit breaker provides 10 kA breaking capacity. This tandem breaker will accept 14 AWG to 8 AWG copper or aluminum wire. HOMT tandem breakers are UL Listed.
Square D™ QO120 Standard 1-Pole Miniature Circuit Breaker, 120/240 V AC, 20 A, 10 kA Interrupt, 1 Poles, Thermal Magnetic Trip
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 1 pole QO circuit breaker is rated at 20A at 120/240VAC. This unit provides 10kA breaking capacity and plug in mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.
Square D™ QOB340 Standard Miniature Circuit Breaker, 240 V AC/48 V DC, 40 A, 10 kA Interrupt, 3 Poles, Thermal Magnetic Trip
QO and QOB one, two and three pole thermal magnetic circuit breakers provide overcurrent protection and switching on ac and dc systems. These circuit breakers have an over center, trip free toggle mechanism with quick make, quick break action and positive handle indication. They also have VisiTrip trip indication, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit. A full line of features and factory installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This 3 pole QO circuit breaker is rated at 40A at 120/240VAC. This unit provides 10kA breaking capacity and bolt on mounting. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555.
Square D™ Homeline™ HOM290 Standard Miniature Circuit Breaker, 120/240 V AC, 90 A, 10 kA Interrupt, 2 Poles, Thermal Magnetic Trip
Homeline miniature circuit breakers are engineered and designed for fast installation and superior circuit protection. Homeline circuit breakers are designed to plug into Homeline load centers to provide circuit protection. This circuit breaker provides standard circuit protection and is HACR rated. This 2 pole circuit breaker with plug in mounting is rated 90A at 120/240 VAC. HOM breakers provide 10 kA breaking capacity. The electrical connection is a clamp terminal that will accept 1 wires. The box lugs will accept a wire range of 4 AWG to 2/0 AWG copper or aluminum wire. HOM Homeline miniature circuit breakers are UL Listed.
