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SQUARE D miniature circuit breaker pole ac - QOB Series, Bolt-On Square D Miniature Circuit Breakers
SQUARE DQOB Series, Bolt-On Square D Miniature Circuit Breakers

Square D Miniature Circuit Breaker Pole AC

104 sizes & variants — select below · Amps: 21 options · Type: 6 options · AC Voltage Rating: 5 options · AC: 3 options

The SQUARE D QOB Series miniature circuit breakers are bolt-on breakers designed for use in NQ panelboards and QO load centers, offering integrated ground fault protection in a UL 489-listed package. The family…

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Local availability & support — Indonesia

Phone
+65 8878 8355

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
No warning recorded
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Common specifications

SQUARE D
Shared across the range — Amps, Type, AC Voltage Rating, AC vary by variant (see table below).
Manufacturer Part Number
QOB170
Phase
Single
Poles
1
For Use With
Square D NQOD Panelboards
Max. AIR Rating
10kA at 120/240V AC

From the manufacturer's datasheet

SQUARE D
Ground Fault Protection
5 mA, 30 mA or 100 mA
Standards/Certifications
UL 489, UL 943 Class A, UL 1053, CSA C22.2
Mounting Options
Line-side: plug-on or bolt-on; Load-side: box lug or ring terminal
Conductor Length
Maximum 250 feet
Wire Sizes (Copper)
15-30 A: #14-#8; 40-60 A: #14-#6
Wire Sizes (Aluminum)
15-30 A: #12-#8; 40-60 A: #12-#4
Ground Fault Setting
5 mA for GFI, 30 mA or 100 mA for EPD
Push-to-Test Feature
Yes
Features
  • Integrated ground fault protection in UL 489-listed breaker
  • Line-powered electronics eliminate need for control power transformer
  • Load level detection isolates only affected circuit
  • Ground fault push-to-test feature confirms circuitry
  • Optional IP20 rated terminal shield (infrared compatible)
Typical applications
People protection (5 mA GFI)Equipment protection (30 mA or 100 mA EPD)Use with standard NQ panelboards and QO load centers
Ground faults can escalate causing significant heat and mechanical damage if undetected.
Low level fault current may be insufficient to operate thermal-magnetic functions.
Select a size

Showing 104 / 104 variantsscroll the table for more

Part No (MPN)QOB2103G SKU3G-OTH-22486Amps10 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2100H3G SKU3G-OTH-22505Amps100 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB210010213G SKU3G-OTH-22516Amps100 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB21003G SKU3G-OTH-22530Amps100 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2100VH3G SKU3G-OTH-22540Amps100 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB31003G SKU3G-OTH-22549Amps100 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB310010213G SKU3G-OTH-22556Amps100 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3100VH3G SKU3G-OTH-22563Amps100 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB21103G SKU3G-OTH-22583Amps110 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3110VH3G SKU3G-OTH-22595Amps110 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB21253G SKU3G-OTH-22602Amps125 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2125VH3G SKU3G-OTH-22606Amps125 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3125VH3G SKU3G-OTH-22613Amps125 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB11510213G SKU3G-OTH-22635Amps15 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB215HID3G SKU3G-OTH-22667Amps15 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB215VH3G SKU3G-OTH-22673Amps15 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB115VH3G SKU3G-OTH-22677Amps15 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3150VH3G SKU3G-OTH-22704Amps150 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB120CAFI3G SKU3G-OTH-22726Amps20 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB220EPD3G SKU3G-OTH-22731Amps20 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB120HM3G SKU3G-OTH-22744Amps20 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB220HID3G SKU3G-OTH-22770Amps20 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB12010213G SKU3G-OTH-22773Amps20 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB1203G SKU3G-OTH-22778Amps20 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB120VH3G SKU3G-OTH-22793Amps20 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB320SWN3G SKU3G-OTH-22809Amps20 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB320VH3G SKU3G-OTH-22820Amps20 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB120EPD3G SKU3G-OTH-22831Amps20 ATypeSingle Phase, 10kA at 120V ACAC Voltage Rating120V ACAC120V
Part No (MPN)QOB1253G SKU3G-OTH-22852Amps25 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2253G SKU3G-OTH-22857Amps25 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB12510213G SKU3G-OTH-22863Amps25 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB125VH3G SKU3G-OTH-22869Amps25 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB125GFI3G SKU3G-OTH-22879Amps25TypeSingle Phase, 10kA at 120V ACAC Voltage Rating120VAC120V
Part No (MPN)QOB125EPD3G SKU3G-OTH-22889Amps25 ATypeSingle Phase, 10kA at 120V ACAC Voltage Rating120V ACAC120V
Part No (MPN)QOB330GFI3G SKU3G-OTH-22893Amps30TypeThree Phase, 10kA at 208/120V ACAC Voltage Rating120/208VAC120/208V
Part No (MPN)QOB230EPD3G SKU3G-OTH-22903Amps30 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB1303G SKU3G-OTH-22922Amps30 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB23010213G SKU3G-OTH-22933Amps30 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB230HID3G SKU3G-OTH-22949Amps30 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB230VH3G SKU3G-OTH-22968Amps30 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB130VH3G SKU3G-OTH-22975Amps30 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3303G SKU3G-OTH-22996Amps30 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB33010213G SKU3G-OTH-23008Amps30 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB1353G SKU3G-OTH-23046Amps35 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2353G SKU3G-OTH-23055Amps35 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3353G SKU3G-OTH-23066Amps35 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB240EPD3G SKU3G-OTH-23084Amps40 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB14010213G SKU3G-OTH-23100Amps40 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB240HID3G SKU3G-OTH-23122Amps40 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB1403G SKU3G-OTH-23126Amps40 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB240VH3G SKU3G-OTH-23135Amps40 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB34010213G SKU3G-OTH-23153Amps40 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB340VH3G SKU3G-OTH-23162Amps40 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2453G SKU3G-OTH-23171Amps45 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3453G SKU3G-OTH-23177Amps45 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB350GFI3G SKU3G-OTH-23185Amps50TypeThree Phase, 10kA at 208/120V ACAC Voltage Rating120/208VAC120/208V
Part No (MPN)QOB250GFI3G SKU3G-OTH-23196Amps50 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2503G SKU3G-OTH-23206Amps50 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB1503G SKU3G-OTH-23213Amps50 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB25010213G SKU3G-OTH-23224Amps50 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB250VH3G SKU3G-OTH-23233Amps50 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3503G SKU3G-OTH-23244Amps50 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB350VH3G SKU3G-OTH-23257Amps50 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB260GFI3G SKU3G-OTH-23265Amps60 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB260EPD3G SKU3G-OTH-23269Amps60 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2603G SKU3G-OTH-23274Amps60 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB26010213G SKU3G-OTH-23276Amps60 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB1603G SKU3G-OTH-23282Amps60 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB260VH3G SKU3G-OTH-23292Amps60 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB36010213G SKU3G-OTH-23296Amps60 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3603G SKU3G-OTH-23303Amps60 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB360VH3G SKU3G-OTH-23307Amps60 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB1703G SKU3G-OTH-23318Amps70 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2703G SKU3G-OTH-23324Amps70 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB27010213G SKU3G-OTH-23328Amps70 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB270VH3G SKU3G-OTH-23332Amps70 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3703G SKU3G-OTH-23335Amps70 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB37010213G SKU3G-OTH-23339Amps70 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB370VH3G SKU3G-OTH-23344Amps70 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3803G SKU3G-OTH-23349Amps80 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB38010213G SKU3G-OTH-23351Amps80 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB380VH3G SKU3G-OTH-23362Amps80 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB390VH3G SKU3G-OTH-23370Amps90 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2150VH3G SKU3G-OTH-23375Amps150 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB220GFI3G SKU3G-OTH-23384Amps20TypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240VAC120/240V
Part No (MPN)QOB130EPD3G SKU3G-OTH-23387Amps30 ATypeSingle Phase, 10kA at 120V ACAC Voltage Rating120V ACAC120V
Part No (MPN)QOB2803G SKU3G-OTH-23390Amps80 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB315VH3G SKU3G-OTH-23393Amps15 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB115CAFI3G SKU3G-OTH-23405Amps15 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB325VH3G SKU3G-OTH-23412Amps25 ATypeThree Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB250EPD3G SKU3G-OTH-23414Amps50 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3903G SKU3G-OTH-23418Amps90 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB225EPD3G SKU3G-OTH-23423Amps25 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB115EPD3G SKU3G-OTH-23425Amps15 ATypeSingle Phase, 10kA at 120V ACAC Voltage Rating120V ACAC120V
Part No (MPN)QOB225GFI3G SKU3G-OTH-23428Amps25 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB39010213G SKU3G-OTH-23433Amps90 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB2903G SKU3G-OTH-23446Amps90 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB24010213G SKU3G-OTH-23457Amps40 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB22010213G SKU3G-OTH-23461Amps20 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB290VH3G SKU3G-OTH-23468Amps90 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB215EPD3G SKU3G-OTH-23473Amps15 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB280VH3G SKU3G-OTH-23477Amps80 ATypeSingle Phase, 22kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB3253G SKU3G-OTH-23481Amps25 ATypeThree Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
Part No (MPN)QOB13010213G SKU3G-OTH-23483Amps30 ATypeSingle Phase, 10kA at 120/240V ACAC Voltage Rating120/240V ACAC120/240V
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Ajukan pertanyaan

Pertanyaan yang Sering Diajukan

How do I select the correct amperage for my application?

Determine the continuous load of the circuit and select a breaker with an amperage rating equal to or greater than that load. Available ratings are 10 A, 15 A, 35 A, 50 A, 60 A, and 80 A.

What is the difference between the 10kA and 22kA interrupting ratings?

The interrupting rating indicates the maximum short-circuit current the breaker can safely interrupt. Choose 10kA for systems with lower available fault current, and 22kA for higher fault current scenarios, both at 120/240V AC. There is also a 10kA at 120V AC option for single-phase systems.

What are the available ground fault protection levels?

5 mA for people protection (GFI), 30 mA or 100 mA for equipment protection (EPD).

What is the maximum conductor length?

250 feet.

What standards do these breakers meet?

UL 489, UL 943 Class A, UL 1053, and CSA C22.2 (not applicable to 3-pole GFI).

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SQUARE D Produk

3G Electric memasok SQUARE D qob series, bolt-on square d miniature circuit breakers. Kami menyediakan produk asli dengan ketersediaan tersedia di gudang untuk SKU umum, dokumentasi teknis, dukungan commissioning, dan layanan garansi — di seluruh dunia.

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Lihat semua SQUARE D suku cadang
Three-pole bolt-on miniature circuit breaker rated 40 A at 120/208V AC, three-phase, with a maximum interrupting rating of 10kA at 208/120V AC. Provides overcurrent and ground-fault protection for use in QO Load Centers and NQ Panelboards in commercial and industrial electrical distribution systems
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Three-pole bolt-on miniature circuit breaker rated 40 A at 120/208V AC, three-phase, with a maximum interrupting rating of 10kA at 208/120V AC. Provides overcurrent and ground-fault protection for use in QO Load Centers and NQ Panelboards in commercial and industrial electrical distribution systems
Single-pole, bolt-on miniature circuit breaker rated 20 A at 120V AC. Provides overcurrent and ground-fault protection with a maximum interrupting rating of 10kA at 120V AC. For use in QO load centers and NQ panelboards in residential and light commercial electrical distribution systems
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Single-pole, bolt-on miniature circuit breaker rated 20 A at 120V AC. Provides overcurrent and ground-fault protection with a maximum interrupting rating of 10kA at 120V AC. For use in QO load centers and NQ panelboards in residential and light commercial electrical distribution systems
Bolt-on miniature circuit breaker from the QOB Series, rated 30 A at 120/240V AC, single phase, with a maximum interrupting rating of 10kA at 120/240V AC. Provides overcurrent and ground-fault protection for QO Load Centers and NQ Panelboards in residential and light commercial electrical distribution systems
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Bolt-on miniature circuit breaker from the QOB Series, rated 30 A at 120/240V AC, single phase, with a maximum interrupting rating of 10kA at 120/240V AC. Provides overcurrent and ground-fault protection for QO Load Centers and NQ Panelboards in residential and light commercial electrical distribution systems
Three-pole, three-phase bolt-on miniature circuit breaker rated 20 A at 120/208V AC. Provides overcurrent protection with a maximum interrupting rating of 10kA at 208/120V AC. Designed for use in QO Load Centers and NQ Panelboards in commercial and industrial electrical distribution systems
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Three-pole, three-phase bolt-on miniature circuit breaker rated 20 A at 120/208V AC. Provides overcurrent protection with a maximum interrupting rating of 10kA at 208/120V AC. Designed for use in QO Load Centers and NQ Panelboards in commercial and industrial electrical distribution systems
Three-pole, 15 A miniature circuit breaker for bolt-on mounting in QO Load Centers and NQ Panelboards. Rated 120/208V AC with a maximum interrupting rating of 10kA at 208/120V AC. Provides overcurrent and short-circuit protection in three-phase electrical distribution systems
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Three-pole, 15 A miniature circuit breaker for bolt-on mounting in QO Load Centers and NQ Panelboards. Rated 120/208V AC with a maximum interrupting rating of 10kA at 208/120V AC. Provides overcurrent and short-circuit protection in three-phase electrical distribution systems