What are the torque requirements for QO circuit breakers' wire binding screws and clamp plates?
Issue:
Torque requirements for QO and QOB breakers' wire binding screws and clamp plates
Product Line:
Circuit Breakers
Resolution:
The following table shows the torque value requirements for the wire binding screws and clamp plates of QO and QOB circuit breakers:
Torque requirements for QO and QOB breakers' wire binding screws and clamp plates
Product Line:
Circuit Breakers
Resolution:
The following table shows the torque value requirements for the wire binding screws and clamp plates of QO and QOB circuit breakers:
| Type | Description | Torque lb-in (N-m) |
| QO/QOB | 10 - 30 A, 1, 2, and 3 pole | 36 (4) |
| QO/QOB | 35 - 70 A, 1 and 2 pole and 40 - 60 A, 3 pole | 45 (5) |
| QO/QOB-VH, QOH | 40 - 125 A, 2 pole | 50 (5.6) |
| QO/QOB-VH, | 40 - 100 A, 3 pole | 50 (5.6) |
| QO/QOB | 70 - 100 A, 3 pole | 50 (5.6) |
| QO/QOB-H | 40 - 100 A, 2 pole | 50 (5.6) |
| QO/QOB, | 80 - 125 A, 2 pole | 50 (5.6) |
| QO/QO-VH | 150 - 200 A, 2 pole | 250 (28.3) |
| QOB-VH | 150 A, 2 and 3 pole | 250 (28.3) |
| QO Tandem | (Ex: QO2020, QOT1515...) | 25 (2.8) |
Released for: Schneider Electric USA
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