QOB High Interrupting and Specialty Circuit Breaners
High Interrupting and Specialty Circuit Breakers
High Interrupting and Specialty Circuit Breakers features QOB-VH, QHB, QOB-HID, and QOB-SWN circuit breakers. Voltage ratings range from 120 Vac to 240 Vac, and ampere ratings ranging from 10 A to 150 A depending on the model.
High-interrupting QOB-VH breakers provide up to 22 kA AIR, while QHB models offer up to 65 kA AIR for locations requiring enhanced fault-current protection. Specialty configurations include HID-rated breakers for fluorescent and high-intensity discharge lighting systems and Switch Neutral (SWN) breakers that meet NEC 514.11 requirements. The following information in the table provides detailed catalog numbers, application ratings, UL certifications, and conductor compatibility information to support correct breaker selection and installation.
For additional information, refer to NO Panelboards online.
High Interrupting QOB and Specialty Circuit Breakers[1]
|
Ampere Rating [1] |
One-pole |
Two-pole—Common Trip |
Three-pole—Common Trip |
|---|---|---|---|
|
Catalog No. |
Catalog No. |
Catalog No. |
|
|
QOB-VH |
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|
120 Vac—22 k AIR[2] |
120/240 Vac —22 k AIR[2] |
240 Vac—22 k AIR[2] |
|
|
15 A |
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|
20 A |
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25 A |
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|
30 A |
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40 A |
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|
50 A |
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60 A |
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70 A |
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|
80 A |
— |
||
|
90 A |
— |
||
|
100 A |
— |
||
|
110 A |
— |
||
|
125 A |
— |
||
|
150 A |
— |
||
|
QHB |
|||
|
120 Vac—65 k AIR[2] |
120 Vac/240 Vac—65 k AIR[2] |
240 Vac—65 k AIR[2] |
|
|
15 A |
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|
20 A |
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|
25 A |
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|
30 A |
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|
QOB-HID—HID circuit breakers [6] |
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|
120 Vac—10 k AIR[2] |
120/240 Vac—10 k AIR[2] |
240 Vac—10 k AIR[2] |
|
|
15 A |
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|
20 A |
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|
25 A |
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|
30 A |
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|
40 A |
— |
||
|
50 A |
— |
||
|
QOB-SWN—Switch Neutral—Common Trip—NEC 514.11 |
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|
1-pole—2-Wire |
2-pole—3-Wire |
||
|
10 A |
— |
||
|
15 A |
— |
||
|
20 A |
— |
||
|
25 A |
— |
||
|
30 A |
— |
||
|
40 A |
— |
||
|
50 A |
— |
||