Square D™ QOB390 Miniature Circuit Breaker, 240 VAC, 90 A, 10 kA Interrupt, 3 Poles, Thermal Magnetic Trip
Circuit Breakers
31545
MFG #: QOB390
Square D™
444.15000
/ ea
- Alternate Catalog Number: QOB390
- Application: HACR rated
- ARRA Compliant: N
- Buy American Compliant: N
- Catalog Number: QOB390
- Connection: BOX LUGS #4 TO #2/0 AWG(AL/CU)
- Connection Type: Box Lug
- Country of Origin: MX
- Currency: USD
- Dimensions: 2.91 in L x 2.25 in W x 3 in H
- EU RoHS Indicator: Y
- Frequency Rating: 50/60 Hz
- Gross Volume Per Pack: 34.10
- Gross Volume per Pack Metric: 558.80
- Gross Volume UOM: CI
- Gross Volume UOM Metric: cm3
- Gross Weight Per Pack: 1.0800 lb
- Gross Weight per Pack Metric: 0.49
- Gross Weight UOM Metric: kg
- Harmonization Tariff Schedule Code: 8536200040
- Height: 7.3660 in
- Height [Metric]: 6.0960 cm
- Item Group: 00015
- Length: 9.9060 in
- Length [Metric]: 9.9060 cm
- Material Composition Declaration: https://checkaproduct.se.com/DistantRequestDispatcher.aspx?action=export&pid=401643&lang=en-us
- Mounting Type: Bolt-On
- Operating Temperature: 40 °C
- Phase: 3
- Returnable: N
- Standard: UL LISTED - CSA CERTIFIED
- Sub Brand: QO
- Substitute Product Catalog Number: NQ30L2C
- Temperature Rating: 104 °F
- Type: Standard
- UNSPSC: 39121603
- UPC 11: 78590101972
- UPC 12: 785901019725
- Warranty Description: Contractual Warranty:18 months
- Width: 8.8900 in
- Width [Metric]: 8.8900 cm
- Wire Size: 4 to 2/0 AWG
- Stock Status: NONSTOCK
- Brand: Square D™
- Manufacturer: Schneider Electric
- Amperage Rating: 90 A
- Interrupt Rating: 10 kA
- Trip Type: Thermal Magnetic
- Voltage Rating: 240 VAC
- Number Of Poles: 3
- 360 Degree View URL - 360(360 Degree View URL)
- 360 Degree View URL - index.html?pid=11003&id=8148967360Den&ext=webp(360 Degree View URL)
- 3D Rendering URL - SEproductListV2.html?p=QOB390(3D Rendering URL)
- Brochure URL - 11003_SF18VI3Y75ANRTGZ.pdf(Brochure URL)
- Catalog URL - IDW_DOCUMENT_c5b326735eb8d1d236aee0ae89f871f8971a71ae7f56a2c5995b35a605d67649.pdf(Catalog URL)
- Compliance Cert URL - Square_D_QOB390_Compliance_Certificate.pdf(Compliance Cert URL)
- Install Instructions 1 URL - 11003_GFAQ21JLRXTDBHUE.pdf(Install Instructions 1 URL)
- Seller Home Page URL - us(Seller Home Page URL)
- Spec Sheet URL - 11003_E38MYCORKX5ZSNIG.pdf(Spec Sheet URL)
- Tech Drawing URL - 11003_NO2BWAH08UFXIJLQ.pdf(Tech Drawing URL)
- Tech Drawing URL - 11003_UQ3J9I5KDSLXC6HW.pdf(Tech Drawing URL)
- Video - https://youtube.com/embed/ECi6An24KbQ(Video)
- User Manual URL - 11003_4OPHZUT6J8L1YG7E.pdf(User Manual URL)
- User Manual URL(User Manual URL)
- Applications
- Features
| HACR rated |
| STANDARD BOLT-ON |
| QO® and QOB circuit breakers have an overcenter, trip-free toggle mechanism with quick-make, quickbreak action and positive handle indication |
| The tripping mechanisms in 2 and 3-pole circuit breakers operate such that an overcurrent on any pole of the circuit breaker will cause all poles of the circuit breaker to open simultaneously |
| Bolt-on QOB circuit breakers are for use in NQO and NQOD panelboards |
| QO® and QOB circuit breakers have Visi-Trip® feature, which provides a visual indication that the circuit breaker has tripped and interrupted the circuit |
| Common trip |
| 4 to 2/0 AWG aluminum/copper wire |
| Standard |