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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:

**QO breaker binding screw torque summary**
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)