When specified sizes are not available or delivery issues are encountered, alternates shall be approved.Ĥ.4 All enclosures are preferred to be of a straight face design, having no cantilevered shelves or work area, and a maximum height of 2300 mm (90 in) including floor stands. Indoor use to provide protection against dust, spraying of water, oil, and noncorrosive liquids.Ĥ.3 Generally Rittal, Hoffman, Hammond type or equal manufactured standard enclosures shall be used for petrochemical or other projects. Indoor use to provide protection against dust, dirt, dripping water, flying fibers, dripping noncorrosive liquids, and external condensation. Indoor or outdoor use to provide protection from occasional submersion to a limit depth undamaged by the formation of ice on the enclosure. Indoor or outdoor use to provide protection against corrosion, windblown dust, falling rain, splashing water, hose-directed water, and undamaged by the formation of ice on the enclosure.Ĭorrosive process plants, Sumps, Steam out pits Noncorrosive process plants, Sumps, Steam out pits Indoor or outdoor use to provide protection against windblown dust, falling rain, splashing water, hose-directed water, and undamaged by the formation of ice on the enclosure. Outdoor use to provide a degree of protection from falling rain undamaged by the formation of ice on the enclosure. Outdoor use to provide a degree of protection from windblown dust and rain undamaged by the formation of ice on the enclosure. Indoor use to provide protection from contact with enclosed equipment and from a limited amounts of falling water and dirt. Indoor use to provide protection from contact with enclosed equipment and from falling dirt. Custom-fabricated enclosures shall be used only when standard prefabricated sizes are not available to accommodate design requirements.Ĥ.2 Enclosures shall be selected for the proper environment based on the following: Rating Manufactured EnclosuresĤ.1 Prefabricated enclosures shall always be the first consideration as outlined in paragraph 4.3. UL 1077 Supplementary Protectors for Use in Electrical Equipment.ģ.5 American National Standard Institute (ANSI)/NEMAĪNSI Z535.4 Product Safety Signs and Labels. ![]() UL 489 Safety Molded-Case Circuit Breakers, Molded-Case Switches, and Circuit-Breaker Enclosures. Selection of Cleaning Agents and Methods for Equipment Used in Oxygen Serviceģ.3 National Fire Protection Association (NFPA) ![]() For sale of equipment, the instrument/electrical designer shall verify these requirements with the customer’s representatives before proceeding with facility or equipment design.Ģ.2 This standard is intended for use International Level. Instrument and Electrical Control Panels and EquipmentĢ.1 This article applies to all instrument and electrical control enclosures 220V / 120 VAC and below located and used in plants and equipment. PURPOSE – This article is for the design and material selection requirements for instrument and electrical control panels and equipment for general purpose areas only.Ģ. So whether you need to protect your indoor control panel from dust and dirt, or you need something heavy-duty, air-tight, and completely sealable to prevent corrosion from harsh outdoor conditions, there’s a perfect control panel enclosure to match every control panel.īefore looking for your control panel enclosure or deciding on finishes or materials, knowing the NEMA rating you require will help you get started on the right foot.Enclosure Equipment Installation and Spacingġ. Bay Power carries a wide variety of control panel enclosures, both freestanding or wall-mounted, for both indoor and outdoor use. Control panel enclosures come in a variety of sizes, NEMA ratings, materials and finishes. So you have your perfect control panel, now it’s time to protect it. The importance of control panel enclosures Always choose the control panel components and accessories that are right for you. Every control panel has different features and is more often than not custom-built for a specific application. Remember: All control panels are not created equal. ![]() All control panels depend on varying collections and varying combinations of components, including but not limited to switches and disconnects, motor starters, soft starters, combination starters and more. While every control panel is different, there’s one thing that all have in common: Any quality control panel is comprised of quality control panel components. Control panel parts & components: It’s what’s on the inside that counts
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