11
10
IP
20
IP20
Protection against: Solid objects with ø ≥12.5 mm, contact with
fingers or similar objects.
No protection against liquid ingress!
IP
40
IP40
Protection against: Solid objects with ø ≥ 1.0 mm, contact with
wires, tools or similar objects with ø ≥ 1.0 mm.
No protection
against liquid ingress!
IP
44
IP44
Protection against: Solid objects with ø ≥ 1.0 mm, contact with
wires, tools or similar objects with ø ≥ 1.0 mm. Splashed water
from all directions (360°)
IP
54
IP54
Protection against: Dust deposition (of a harmful amount), all
contact from solid objects. Splashed water from all directions
(360°),
IP
65
IP65
Protection against: Dust ingress (dust-tight), all contact from
solid objects. Water ingress caused by a nozzle (low pressure
water jets) from all directions (360°).
IP
66
IP66
Protection against: Dust ingress (dust-tight), all contact from
solid objects, powerful water jets
IP
67
IP67
Protection against: Dust ingress (dust-tight), all contact from
solid objects, temporary immersion in water under defined
conditions of pressure and time.
IP
69
IP69
Protection against: Dust ingress (dust-tight), protection against
water in case of high pressure/ steam jet cleaning, especially
agriculture, complete protection against contact.
Symbols IP protection / Protection class
Protection
class I
The product has a connection for a protective earth conductor.
Connect the protective earth conductor (green-yellow wire) to
the corresponding marked earth screw.
Protection
class II
The product has special insulation and must not be connected
to a protective earth conductor.
Protection
class III
The product may only be connected to safety extra-low vol-
tage.
Summary of Contents for STUDIObutler 3542-240240
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