Environmental Ratings
IEC is a fully certified UL 508A manufacturer and can offer enclosures built to several UL Type environmental ratings. Below is a list of the UL Type ratings we can provide to our customers. In addition to UL, IEC can build enclosures to various NEMA specifications and also has industry certifications for CUL, CSA, and TUV. If your application requires any of these certifications we can help.
Rating UL Type 1
For indoor use. To provide a degree of protection to prevent accidental contact with enclosure equipment, in areas where unusual conditions do not exist and to provide a degree of protection against falling dirt.
| NON-HAZARDOUS APPLICATIONS (INDOOR LOCATIONS) | Protection Against |
| Environmental Conditions | UL Type 1 |
| Incidental contact with the enclosed equipment | █ |
| Falling dirt | █ |
| Falling liquids and light splashing | |
| Dust, lint, figers and flyings | |
| Hose-down and splashing water | |
| Oil and coolant seepage | |
| Oil or coolant spaying and splashing | |
| Corrosive agents | |
| Occasional temporary submersion | |
Rating UL Type 3R
For indoor or outdoor use. To provide a degree of protection against windblown rain, snow, sleet, and external formation of ice.
| NON-HAZARDOUS APPLICATIONS (OUTDOOR LOCATIONS) | Protection Against |
| Environmental Conditions | UL Type 3R |
| Incidental contact with the enclosed equipment | █ |
| Rain, snow and sleet | █ |
| Windblown dust | |
| Hose-down | |
| Corrosive agents | |
| Occasional temporary submersion | |
Rating UL Type 12
For indoor use. To provide a degree of protection against dust, falling dirt, dripping non-corrosive liquids, lint, fibers, external condensation of noncorrosive liquids, and light splashing of water.
| NON-HAZARDOUS APPLICATIONS (INDOOR LOCATIONS) | Protection Against |
| Environmental Conditions | UL Type 12 |
| Incidental contact with the enclosed equipment | █ |
| Falling dirt | █ |
| Falling liquids and light splashing | █ |
| Dust, lint, figers and flyings | █ |
| Hose-down and splashing water | |
| Oil and coolant seepage | █ |
| Oil or coolant spaying and splashing | |
| Corrosive agents | |
| Occasional temporary submersion | |
Rating UL Type 4/12
For indoor or outdoor use. To provide a degree of protection against windblown rain and dust, splashing or hose directed water, and external formation of ice.
| NON-HAZARDOUS APPLICATIONS (OUTDOOR LOCATIONS) | Protection Against |
| Environmental Conditions | UL Type 4/12 |
| Incidental contact with the enclosed equipment | █ |
| Rain, snow and sleet | █ |
| Windblown dust | █ |
| Hose-down | █ |
| Corrosive agents | |
| Occasional temporary submersion | |
| NON-HAZARDOUS APPLICATIONS (INDOOR LOCATIONS) | Protection Against |
| Environmental Conditions | UL Type 4/12 |
| Incidental contact with the enclosed equipment | █ |
| Falling dirt | █ |
| Falling liquids and light splashing | █ |
| Dust, lint, figers and flyings | █ |
| Hose-down and splashing water | █ |
| Oil and coolant seepage | |
| Oil or coolant spaying and splashing | |
| Corrosive agents | |
| Occasional temporary submersion | |
Rating UL Type 4
For indoor or outdoor use. To provide a degree of protection against windblown rain and dust, splashing or hose directed water, and external formation of ice.
| NON-HAZARDOUS APPLICATIONS (OUTDOOR LOCATIONS) | Protection Against |
| Environmental Conditions | UL Type 4 |
| Incidental contact with the enclosed equipment | █ |
| Rain, snow and sleet | █ |
| Windblown dust | █ |
| Hose-down | █ |
| Corrosive agents | |
| Occasional temporary submersion | |
| NON-HAZARDOUS APPLICATIONS (INDOOR LOCATIONS) | Protection Against |
| Environmental Conditions | UL Type 4 |
| Incidental contact with the enclosed equipment | █ |
| Falling dirt | █ |
| Falling liquids and light splashing | █ |
| Dust, lint, figers and flyings | █ |
| Hose-down and splashing water | █ |
| Oil and coolant seepage | |
| Oil or coolant spaying and splashing | |
| Corrosive agents | |
| Occasional temporary submersion | |
Rating UL Type 4X
For indoor or outdoor use. To provide a degree of protection against windblown rain and dust, splashing or hose directed water, and external formation of ice. Corrosion resistant.
| NON-HAZARDOUS APPLICATIONS (OUTDOOR LOCATIONS) | Protection Against |
| Environmental Conditions | UL Type 4X |
| Incidental contact with the enclosed equipment | █ |
| Rain, snow and sleet | █ |
| Windblown dust | █ |
| Hose-down | █ |
| Corrosive agents | █ |
| Occasional temporary submersion | █ |
| NON-HAZARDOUS APPLICATIONS (INDOOR LOCATIONS) | Protection Against |
| Environmental Conditions | UL Type 4X |
| Incidental contact with the enclosed equipment | █ |
| Falling dirt | █ |
| Falling liquids and light splashing | █ |
| Dust, lint, figers and flyings | █ |
| Hose-down and splashing water | █ |
| Oil and coolant seepage | |
| Oil or coolant spaying and splashing | █ |
| Corrosive agents | |
| Occasional temporary submersion | |
Rating IP 55
For indoor use. To provide a degree of protection against dust, falling dirt, dripping non-corrosive liquids, lint, fibers, external condensation of noncorrosive liquids, and light splashing of water.
| IP55 | Protected from limited dust ingress. | Protected from low pressure water jets from any direction. |
If you have an application that requires these certifications contact our sales office using our contact form and a representative will get in touch with you shortly.
Need it built custom?
IEC provides a quality, cost effective custom enclosure in a time frame that meets your demanding production schedule.
Custom features include, but are not limited to, holes, cutouts, mounting options, latching configurations, hinge configuration, viewing windows, EMI/RFI solutions, thermal management, paint finish, and more.
Need it custom?
Custom features include, but are not limited to, holes, cutouts, mounting options, latching configurations, hinge configuration, viewing windows, EMI/RFI solutions, thermal management, paint finish, and more.
