Proface APL3000B - Node Box PC - Manual (Page 105)

PL3000 Series Hardware Manual
5-14
5.3.2 Attachment of the Power Switch Cover
When using the AC type, the included power switch cover needs to be installed to meet ANSI/ISA standards.
Attach power switch cover with the accompanying two screws to the PL unit. The torque should be 0.5 to 0.6
N•m.
Power Switch Cover
Top of the Control Box