ABB Relion 620 Series, Руководство по установке

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1MAC303209-MB C
Section 4
Mounting
620 series 15
Installation Manual
1. Loosen the four M5 fixing screws in the case to fit the case into the panel cut-out.
2. Mount the case to the panel cut-out.
Figure 5: Flush mounting a case into a panel cut-out
A 9.76 inches (248 ±1 mm)
B 6.38 inches (162 ±1 mm)
3. Tighten the M5 fixing screws.
The allowed range for the fixing screws’ tightening torque is 0.52 to 0.74
foot-pounds (0.7 to 1 Nm).
An IED equipped with optic connections requires a minimum depth of 7.09
inches (180 mm). The allowed minimum bending radius has to be checked
from the optical cable manufacturer.
B
A
Fixing screws