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Siemens TYPE VBII Series Application Manual page 9

Safety switches
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Type 3R / 12 Enclosure
Type 3R / 3S enclosures are
intended to provide a degree of
protection against windblown dust,
and to allow operation when ice-laden.
They are not intended to provide
protection against conditions such as
condensation or internal icing.
Type 12 enclosures are intended for
indoor use primarily to provide a
degree of protection against dust,
falling dirt and dripping water. They are
not intended to provide protection
against conditions such as internal
Command.
Features
• External mounting feet with
two, three and four-point
mounting
• Formed front gasket flange
• Unique heavy duty front
opening low-profile latches
• Galvanized steel enclosure
• Formed out enclosure flanges
that provide an added degree
of protection against entry
of dust
• Rugged hinge design
• 180º-plus opening door
• 3R / 3S / 12 rating as standard
allows outdoor use
• Rugged metal handle with
a red insulating grip
• Front operable cover interlock
release with positive rotating
release action (30-1200A
heavy duty)
• Metal nameplates on
Type 3S / 12 enclosures
9

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