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WIEGMANN

Wiegmann is a manufacturer of electrical enclosures, wireway, and related accessories, with a product history that includes the development of standard enclosure lines used across industrial and commercial electrical systems. The brand's catalog covers wall-mount and floor-mount enclosures, wireway and fittings, mounting panels, and enclosure heaters. These products are specified by plant engineers, maintenance managers, and electrical contractors to house and protect controls, drives, relays, terminals, and power distribution components in environments where dust, dirt, oil, water, or physical impact are present.

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About WIEGMANN

Wiegmann is a manufacturer of electrical enclosures, wireway, and related accessories, with a product history that includes the development of standard enclosure lines used across industrial and commercial electrical systems. The brand's catalog covers wall-mount and floor-mount enclosures, wireway and fittings, mounting panels, and enclosure heaters. These products are specified by plant engineers, maintenance managers, and electrical contractors to house and protect controls, drives, relays, terminals, and power distribution components in environments where dust, dirt, oil, water, or physical impact are present.

Wiegmann enclosures are commonly available in carbon steel with powder-coat finishes, and in stainless steel for washdown or corrosive settings. NEMA ratings across the line include Type 1 for general-purpose indoor use, Type 3R for outdoor rain protection, Type 4 and 4X for watertight and corrosion-resistant applications, and Type 12 and 13 for dust-tight and oil-tight industrial environments. Many models are offered with solid or window covers, hinged or screw-on covers, and closure methods such as quarter-turn latches, clamps, screws, or keyed handles. Knockouts may be provided or omitted depending on the model, allowing specifiers to choose between factory-punched cable entry and field-cut openings. Wireway products include straight sections, elbows, tees, and connectors in 16-gauge steel with ANSI 61 polyester powder finish, sized in standard widths and heights to form continuous wiring channels. Accessories such as mounting panels, heaters, and thermostat controls support installation and condensation management inside enclosures.

3G Electric supplies the Wiegmann line as part of its industrial equipment catalog, serving buyers who need enclosures and wireway alongside burners, pumps, gas controls, and other plant equipment. The product data provided for each Wiegmann item includes dimensions, NEMA rating, cover type, closure method, knockout availability, material, and finish, so procurement and engineering teams can match a part number to the installation requirement without ambiguity. For example, a washdown enclosure may be specified as 20 in x 20 in x 12 in with a solid hinged cover and quarter-turn latch, rated NEMA 12/13/3R/4, while a dust-tight enclosure may be listed as 48 in x 36 in x 12 in with a clamp closure and NEMA 12/13 rating. Wireway connectors are identified by size, such as 4 in x 4 in or 6 in x 6 in, and by gauge and finish. This level of specification detail supports cross-referencing, substitution evaluation, and spare-parts planning.

Typical applications for Wiegmann products include industrial control panels, motor control centers, pump and burner control cabinets, outdoor electrical service equipment, and wireway runs in plants, warehouses, and commercial buildings. The enclosures are used where protection from dust, falling dirt, dripping non-corrosive liquids, rain, oil, or water is required, depending on the NEMA type selected. Because the line includes a range of sizes and closure styles, it can accommodate small junction boxes through large floor-mounted cabinets. 3G Electric provides global logistics support for Wiegmann products, allowing customers to source enclosures, wireway, and accessories alongside other industrial equipment from a single supplier. Buyers can request quotes by part number, and the catalog data helps confirm that the selected model meets the environmental and dimensional requirements of the installation.

Common Applications

  • Industrial control panels — Wiegmann NEMA 12/13 dust-tight enclosures such as B242407CH protect drives, relays, and terminals from dust and oil.
  • Outdoor electrical service — Wiegmann NEMA 3R/4 washdown enclosures like N412202012C house equipment exposed to rain and hose-directed water.
  • Wireway runs in plants — Wiegmann 16-gauge steel connectors C0404 and C0606 join indoor wireway sections for continuous wiring channels.
  • Large floor-mounted cabinets — Wiegmann N12606012 60 in x 60 in x 12 in enclosure with keyed handle for bulk control or distribution equipment.
  • Washdown processing areas — Wiegmann NEMA 4/4X enclosures with quarter-turn latches allow frequent cleaning and quick access.
  • Small junction and terminal boxes — Wiegmann B121206CH 12 in x 12 in x 6 in screw-cover enclosure for compact indoor electrical junctions.

Frequently asked questions

Common questions about WIEGMANN from 3G Electric.

What NEMA ratings are available in Wiegmann steel enclosures?

Wiegmann steel enclosures are available in several NEMA types depending on the model. Common ratings include NEMA 1 for general-purpose indoor use, NEMA 3R for outdoor rain protection, NEMA 4 and 4X for watertight and corrosion-resistant applications, and NEMA 12 and 13 for dust-tight, dirt-tight, and oil-tight industrial environments. For example, the N412202012C washdown enclosure is rated NEMA 12/13/3R/4, while the N12483612 dust-tight enclosure is rated NEMA 12/13. The rating determines where the enclosure can be installed and what environmental conditions it protects against. Specifiers should match the NEMA type to the actual exposure at the installation site.

What is the difference between Wiegmann dust-tight and washdown enclosures?

Wiegmann dust-tight enclosures, such as the B121206CH and N12483612, are rated NEMA 12/13 and protect against dust, dirt, and non-corrosive liquids. They are typically used indoors for control panels and industrial equipment. Washdown enclosures, such as the N412202012C, carry additional NEMA 3R and 4 ratings, which cover rain, splashing water, and hose-directed water. Washdown models are suitable for indoor or outdoor use where equipment is cleaned with water or exposed to weather. The cover style and closure method may also differ: dust-tight models often use screws or clamps, while washdown models may use quarter-turn latches or other secure closures.

Are knockouts included with Wiegmann enclosures?

Knockout availability varies by Wiegmann model. Many enclosures in the catalog are supplied without knockouts, including the N412202012C, N12483612, B121206CH, B242407CH, B161406SC, and N12606012. When knockouts are not included, cable entry openings must be field-cut or punched, which allows the installer to place holes exactly where needed. Some Wiegmann enclosures are available with factory knockouts, so buyers should check the specific part number and specification before ordering. The product data for each item indicates whether knockouts are included or not, and this should be confirmed against the installation drawing.

What sizes and materials are available in Wiegmann wireway connectors?

Wiegmann wireway connectors are available in standard sizes such as 4 in x 4 in and 6 in x 6 in, with part numbers C0404 and C0606 respectively. These connectors are constructed from 16-gauge steel and have an ANSI 61 polyester powder finish. They are used to join sections of indoor wireway to create a continuous enclosure for electrical wiring. The connectors are supplied without knockouts. Other wireway components, including straight sections, elbows, and tees, are also available in the Wiegmann line. Buyers should match the connector size to the wireway cross-section and confirm the gauge and finish requirements for the installation.

How do I select a Wiegmann enclosure for an outdoor application?

For outdoor applications, select a Wiegmann enclosure with a NEMA 3R, 4, or 4X rating. NEMA 3R provides protection against rain, sleet, and snow, and is suitable for outdoor use where water does not accumulate. NEMA 4 and 4X provide watertight protection against hose-directed water and are often used in washdown or corrosive environments. The N412202012C is an example of a washdown enclosure rated NEMA 12/13/3R/4, making it suitable for indoor or outdoor use. Consider the enclosure material as well: carbon steel with powder coat is common, while stainless steel may be preferred for corrosive atmospheres. Also verify the cover type and closure method for security and access requirements.

What closure methods are used on Wiegmann enclosures?

Wiegmann enclosures use several closure methods depending on the model and NEMA rating. Examples include quarter-turn latches on the N412202012C washdown enclosure, clamps on the N12483612 dust-tight enclosure, screws on the B121206CH, B242407CH, and B161406SC dust-tight enclosures, and a keyed handle on the N12606012 dust-tight enclosure. The closure method affects access speed, security, and sealing performance. Quarter-turn latches allow quick access without tools, while screws and clamps provide a more secure seal for dust-tight and oil-tight applications. Keyed handles add access control. The appropriate closure depends on how often the enclosure will be opened and the environmental rating required.