38 Operation principle and hardware description
This is an example of IP55 / UL Type 12 frames. They have one-piece front cover,
which has a transparent window to leave the control panel visible. UL Type 12
frames have a hood, whose construction depends on the frame size.
R1 IP55 / UL Type 12
1
Mounting points (4 pieces), top points are under the hood, which is installed last.
2
Front cover
3
Cover screws (2 pieces)
4
Control panel behind the transparent window
5
Hood, UL Type 12 only. Hood types vary by the frame size, see page 310.
1
3
1
5
4
2
3