Key Features of SPB UL Stainless Steel Wallmounting Enclosure
| Material | SUS304(other material typesare option) |
| Surface treatment | wire drawing |
| Mounting plate | galvanized mounting plate |
| Protection | NEMA4X National Electrical Manufacturing Association(NEMA) Standard 250-1991 |
| Standard configuration | Door plate, box body, sealing strip, grounding set,mountingplate, door lock |
| Against mechanical impacts | IK10 |
| temperature range | -40℃ to+80℃ |
| Door opening method | Cover holes at the bottom,hinges on the left |
| Optional accessories | Ground wire,metal hanging angle,stainless steel hanging angle |
Structure and Installation Details
The SPB UL stainless steel electrical enclosure is designed for easier wall mounting, internal component assembly and long-term maintenance. Its mounting plate, lock system and sealing structure help improve installation efficiency and electrical protection performance.
Structure & Design Overview
Frame structure offers high strength and load capacity, ideal for large cabinets; panel structure enables cost-effective and standardized production.
Doors are reinforced with stiffeners and equipped with heavy-duty hinges (opening angle >90°), along with secure locks and sealing gaskets to meet IP and safety requirements.
Interior features removable mounting plates and separated cable routing for efficient installation and maintenance.
Ventilation adopts louvered or labyrinth designs to ensure effective heat dissipation while maintaining dust and water protection.
Wall Mounting Installation Accessories
Wall mounting accessories help secure the enclosure to the installation position. The standard hardware set supports convenient on-site assembly for outdoor control boxes, industrial electrical cabinets and power distribution projects.
Note: Product dimensions and cutout sizes vary by model. Please refer to the final drawing or datasheet before installation.
Specification Data
| No. | Order number | Height | Width | Depth | Wall Thickness | Remarks |
| 1 | SPB-202015 | 200 | 200 | 150 | 1.5 | – |
| 2 | SPB-252010 | 250 | 200 | 100 | 1.5 | – |
| 3 | SPB-302015 | 300 | 200 | 150 | 1.5 | – |
| 4 | SPB-302515 | 300 | 250 | 150 | 1.5 | – |
| 5 | SPB-303020 | 300 | 300 | 200 | 1.5 | – |
| 6 | SPB-403015 | 400 | 300 | 150 | 1.5 | – |
| 7 | SPB-403020 | 400 | 300 | 200 | 1.5 | – |
| 8 | SPB-404020 | 400 | 400 | 200 | 1.5 | – |
| 9 | SPB-504020 | 500 | 400 | 200 | 1.5 | – |
| 10 | SPB-536130 | 535 | 610 | 300 | 1.5 | – |
| 11 | SPB-605025 | 600 | 500 | 250 | 1.5 | Door panel with stiffeners |
| 12 | SPB-705025 | 700 | 500 | 250 | 2.0 | Door panel with stiffeners |
| 13 | SPB-806030 | 800 | 600 | 300 | 2.0 | Door panel with stiffeners |
| 14 | SPB-1008030 | 1000 | 800 | 300 | 2.0 | Door panel with stiffeners |
Applications of NEMA 4X Stainless Steel Enclosures
SPB UL stainless steel wallmounting enclosures are suitable for electrical protection projects where outdoor exposure, moisture, dust, washdown conditions or corrosion resistance should be considered.
UL Stainless Steel Enclosures Factory Process
As a stainless steel enclosures factory, Saipwell follows a controlled sheet metal manufacturing process to improve enclosure accuracy, structural strength, sealing performance and assembly consistency.
Quality Control & Certifications
Saipwell can provide available certificates and test reports according to the specific model, order requirement and certification scope.
Custom UL Stainless Steel Wallmount Enclosure Options
Saipwell supports custom stainless steel wallmount enclosures based on project drawings, component layout, installation method, certification requirements and branding needs.
| Custom Option | Available Configuration |
| Custom Size | Height, width and depth can be customized |
| Material Options | SUS304, SUS316 or other material options |
| Middle Door Option | Optional acrylic middle door for separated operation and protection |
| Reinforced Structure | Reinforcement ribs can be added for enclosure sizes over 1 meter |
| Cable Entry | Bottom, side or custom cutout positions |
| Mounting Plate | Custom size, holes and internal layout |
| Branding | Private label, logo, label and packaging available |
| MOQ Reference | Custom orders normally start from about 50–60 pcs |
Send your enclosure size, material, quantity, cable entry direction, internal component layout, certification requirement and branding needs. Saipwell can provide a custom UL stainless steel wallmounting enclosure solution for your project.
FAQ About UL Stainless Steel Wallmounting Enclosures
What is a UL stainless steel wallmounting enclosure used for?
A UL stainless steel wallmounting enclosure is used to protect terminals, switches, relays, power supplies, control components and wiring parts in outdoor, industrial or compliance-sensitive electrical projects.
Is this a NEMA 4X stainless steel enclosure?
Yes. The SPB UL stainless steel wallmounting enclosure is designed for NEMA 4X protection requirements, helping protect internal components from outdoor exposure, water, dust and corrosion-related conditions.
Is this enclosure suitable for outdoor use?
Yes. The stainless steel body, NEMA 4X protection focus and IP66 weatherproof structure make it suitable for many outdoor electrical control and wiring projects.
What material is used for this stainless steel electrical enclosure?
The standard material is SUS304 stainless steel. Other material options can be discussed according to installation environment, corrosion-resistance requirement and project specification.
What is the standard surface treatment for this stainless steel enclosure?
Wire drawing is the standard surface treatment for this stainless steel enclosure. It provides a clean stainless steel appearance and is suitable for many outdoor and industrial electrical enclosure applications.
Can powder coating be applied to stainless steel enclosure boxes?
Powder coating can be discussed for selected customized metal enclosure projects. If the project requires a specific color, coating finish or surface protection, please confirm the material, quantity and application environment before production.
Is pre-treatment available before powder coating?
Yes. Pre-treatment such as degreasing, pickling or phosphating can be arranged according to material and coating requirements to help improve coating adhesion and surface quality.
What is the sealing structure of this UL stainless steel enclosure?
The enclosure uses German Rampf foam sealing to support high-temperature resistance, elasticity and NEMA 4X-level protection.
Can Saipwell customize UL stainless steel electrical enclosure boxes?
Yes. Saipwell can customize size, cable holes, mounting plate layout, acrylic middle door, branding and packaging according to project requirements.
Can an acrylic middle door be added?
Yes. An optional acrylic middle door can be added when the project needs separated operation, internal component protection or visible layout.
Can large stainless steel electrical boxes be reinforced?
Yes. For customized stainless steel electrical boxes over 1 meter, reinforcement ribs can be added to improve structural stability and reduce deformation risk.
Can I add my own brand or label?
Yes. Private label, logo, product label and packaging customization are available for OEM orders, project supply and distributor cooperation.
What information should I provide for quotation?
Please provide the enclosure size, material, quantity, NEMA or IP rating requirement, cable entry direction, internal component layout, mounting method, surface treatment and branding needs.
