10000200 Datasheet, PDF (158/164 Pages) List of Unclassifed Manufacturers – Let Rose+Bopla be your partner for standard or customized enclosures.

Protection Classifications
Standards Comparison:
NEMA, UL, CSA Standard Enclosures
Type
Designation
1
2
3
National Electrical
Manufacturers’ Association
(NEMA Standard 250)
Enclosures are intended for use indoors,
primarily to prevent accidental contact of
personnel with the enclosed equipment in
areas where unusual service conditions do
not exist.
Indoor use primarily to provide a degree of
protection against contact with the enclosed
equipment and against a limited amount of
falling water and dirt.
Enclosures are intended for outdoor use
primarily to provide a degree of protection
against windblown dust, rain, sleet, and
external ice formation.
Underwriters’
Laboratories Inc.
(UL 50 and UL 508)
Indoor use primarily to provide a degree of
protection against contact with the enclosed
equipment and against a limited amount of
falling dirt.
Canadian Standards
Association
(Standard C22.2, Nos. 14, 40 and 94)
General purpose enclosure. Protects against
accidental contact with live parts.
An enclosure for indoor use, constructed so
as to provide a degree of protection against
dripping and light splashing of non-corrosive
liquids, and falling dirt.
Indoor use to provide a degree of protection
against limited amounts of falling water
and dirt.
Outdoor use to provide a degree of protection
against windblown dust, rain, and sleet;
undamaged by the formation of ice on the
enclosure.
An enclosure for either indoor or outdoor use,
constructed so as to provide a degree or
protection against rain, snow, and windblown
dust; undamaged by the external formation
of ice on the enclosure.
Enclosures are intended for outdoor use
Outdoor use to provide a degree of protection An enclosure for either indoor or outdoor use,
3R
primarily to provide a degree or protection
against windblown falling rain, sleet, and
against windblown dust, rain, and sleet;
undamaged by the formation of ice on the
constructed so as to provide a degree of
protection against rain, snow, windblown dust,
external ice formation. (May be ventilated). enclosure.
splashing and hose-directed water; undamaged
by the external formation of ice on the enclosure.
Enclosures are intended for use indoors or Indoor or outdoor use to provide a degree of An enclosure for either indoor or outdoor use,
out doors, to protect the enclosed equipment protection against splashing water, windblown constructed so as to provide a degree of
4
against splashing water, seepage of water,
falling or hose directed water, and severe
dust and rain, and hose-directed water;
undamaged by the formation of ice on the
protection against rain, snow, windblown dust,
splashing and hose-directed water;
external condensation. They are sleet
enclosure.
undamaged by the external formation of ice
resistant but not sleet (ice) proof.
on the enclosure.
Type 4X enclosures have the same provisions Indoor or outdoor use to provide a degree of An enclosure for either indoor or outdoor use,
as Type 4 enclosures and, in addition, are
protection against splashing water, windblown constructed so as to provide a degree of
4X
corrosion-resistant.
dust and rain, and hose-directed water;
undamaged bythe formation of ice on the
protection against rain, snow, windblown dust,
splashing and hose-directed water;
enclosure; resists corrosion.
undamaged by the external formation of
ice on the enclosure; resists corrosion.
Enclosures are intended for use indoors to
Indoor use to provide a degree of protection An enclosure for indoor use, constructed so
protect the enclosed equipment against fibers, against dust, falling dirt, and dripping
as to provide a degree of protection against
12
flyings, lint, dust, and dirt, and light splashing, non-corrosive liquids.
seepage, dripping and external condensation
circulating dust, lint, fibers, and flyings;
drippings and light splashing of non-corrosive
of non-corrosive liquids.
liquids; not provided with knockouts.
Enclosures are intended for use indoors
Indoor use to provide a degree of protection An enclosure for indoor use, constructed so
primarily to house pilot devices such as limit against dust and spraying of water, oil, and as to provide a degree of protection against
13
switches, foot switches, pilot lights, etc., and non-corrosive coolants.
to protect these devices against lint and dust,
circulating dust, lint, fibers, and flyings;
seepage and spraying of non-corrosive
seepage, external condensation, and spraying
liquids including oils and coolants.
of water, oil, and coolant.
Please Note: The information presented here is for reference only and is not meant to be a definitive description of the test requirements and/or qualifications.
The complete standards should be obtained from the appropriate association or agency.
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