nVent SSTB306012-316 - Terminal Box, SSTB, 300x600x120mm, Brushed, Stainless 316
nVent

SSTB306012-316

UPC: 783510529314


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Installation Instructions

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Overview

The nVent SSTB306012-316 is a high-performance stainless steel terminal box designed for demanding industrial environments where corrosion resistance, durability, and protection against environmental ingress are critical. Part of the SSTB series, this terminal box features a robust 316-grade brushed stainless steel construction, ensuring long-term reliability in both indoor and outdoor applications. With an IP66 rating, it provides superior protection against dust, water jets, and harsh weather conditions, making it an ideal solution for facilities requiring uninterrupted operation and minimal maintenance. This terminal box measures 300x600x120mm, offering ample space for housing electrical connections, terminals, and components while maintaining a compact footprint. The brushed finish not only enhances corrosion resistance but also provides a professional appearance suitable for visible installations in commercial and industrial settings. The SSTB series is engineered to meet the rigorous demands of industries such as chemical processing, oil and gas, water treatment, food and beverage, pharmaceuticals, and marine applications, where exposure to moisture, chemicals, and extreme temperatures is common. Professionals in electrical and instrumentation engineering rely on nVent’s SSTB terminal boxes for their proven performance in critical infrastructure. The IP66 rating ensures that sensitive electrical components remain protected from dust ingress (complete protection against dust) and powerful water jets (protection against heavy seas or powerful jets), reducing the risk of short circuits, corrosion, or component failure. This translates to fewer unplanned downtimes, lower maintenance costs, and extended service life for connected systems. Installation is straightforward thanks to the box’s standardized dimensions and compatibility with a wide range of mounting options, including wall-mounted and DIN rail configurations. The SSTB series is designed for easy access, with hinged lids or removable covers that allow technicians to service or modify connections without compromising the enclosure’s protective integrity. Additionally, the stainless steel construction resists staining and pitting, ensuring that the terminal box maintains its aesthetic and functional qualities even in highly corrosive environments. nVent, a global leader in electrical and thermal management solutions, is trusted by engineers and facility managers worldwide for products that deliver reliability and compliance with international standards. The SSTB306012-316 terminal box is no exception, offering a combination of durability, protection, and versatility that makes it a preferred choice for projects requiring robust electrical enclosures. Whether deployed in a coastal refinery, a food processing plant, or a wastewater treatment facility, this terminal box provides the peace of mind that comes with knowing your electrical infrastructure is safeguarded against the elements. For applications where regulatory compliance is essential, the SSTB series meets or exceeds industry standards for safety and environmental protection, including ATEX and IECEx certifications for hazardous locations. This makes it an excellent choice for use in explosive atmospheres or environments with stringent hygiene requirements. The brushed stainless steel finish also simplifies cleaning and sanitization, making it suitable for industries with strict hygiene protocols, such as pharmaceutical manufacturing or food production. In summary, the nVent SSTB306012-316 terminal box is more than just an enclosure—it is a critical component in the design of resilient electrical systems. Its IP66-rated protection, corrosion-resistant 316 stainless steel construction, and versatile sizing make it a go-to solution for professionals who demand performance without compromise. By choosing the SSTB series, you are investing in a product that not only meets the technical requirements of your application but also contributes to the long-term reliability and safety of your operations.
  • Material: AISI 304L pre-grained stainless steel / AISI 316L (on request). Body: 1 mm. Cover: 1.5 mm.
  • Body: Folded and seam welded. Four M6x13 studs for bottom profile / mounting plate fixation. For ease of installation, each back corner of the enclosure is laser-marked to precisely indicate where to drill holes and affix AWS wall mounting brackets.
  • Gasket: Sealing is ensured by an injected polyurethane gasket. For AISI 316L, sealing is ensured by an injected silicone gasket.
  • Earthing: M8x18 mm earthing studs in body and cover, M8 nuts, earthing washers and earthing labels.
  • Finish: 400 pre-grained stainless steel.
  • Delivery: Body, cover, cover screws, fixing screws, cover plugs and earthing facilities.
  • Delivery: Body, cover, cover screws, fixing screws, cover plugs and earthing facilities.

Specifications

Application
Hazardous Environments; Factory Automation and Process Control; Corrosive Environments
Body Thickness
18 ga
Body Thickness
1 mm
Cable Entry
No
Color
Unpainted
Construction
Body: 18 gauge Door: 16 gauge
Cubic Capacity
1318 Cu-in
Depth
120 mm
Depth
4.72 in
Door Thickness
16 ga
Door Thickness
1.5 mm
Finish
Brushed
Height
11.81 in
Height
300 mm
Insulation
No
Knockouts
No
Material
Stainless Steel 316
Mounting
Wall Mounted
Number of Outlet
1
Protection Rating
NEMA Type 12
Size
11.81 x 23.62 x 4.72 inch
Type
Stainless Steel Terminal and Junction Boxes
Weight
6.1 kg
Weight
13.45 lb
Width
23.62 in
Width
600 mm
Package Dimensions (L x W x H)
24 IN x 12.19 IN x 24.25 IN
Package Dimensions (L x W x H)
60.96 cm x 30.9626 cm x 61.595 cm
Package Weight (Imperial)
16.600 L
Package Weight (Metric)
7.530 kg
Terminal Box, SSTB, 300x500x120mm, Brushed, Stainless 316

SSTB305012-316

Terminal Box, SSTB, 300x500x120mm, Brushed, Stainless 316

How to Install the SSTB306012-316

This guide provides essential safety considerations and general steps for mounting the SSTB306012-316 and ensuring its enclosure integrity.

Estimated time: 30m

Tools needed:

Basic hand tools, Measuring tape

Supplies needed:

Floor plate (if required), Appropriate sealing devices

  1. Install Protective Floor Plate (if required)

    If mounting the SSTB306012-316 on or over a combustible surface, install a floor plate made of at least 1.43 mm galvanized or 1.6 mm uncoated steel. Ensure this plate extends at least 150 mm beyond the equipment on all sides to provide adequate protection.

  2. Mount the SSTB306012-316

    Securely attach the SSTB306012-316 to the prepared mounting surface. Use appropriate fasteners and ensure the equipment is stable and level.

  3. Seal Enclosure Openings

    To maintain the environmental integrity of the SSTB306012-316 enclosure, use devices with environmental ratings identical to the enclosure itself to close any customized openings.

Frequently Asked Questions about nVent

What industries and applications are nVent products used for?

nVent products are engineered for critical infrastructure and industrial applications across multiple demanding sectors. Key markets include Construction, Data Centers, Defense, Healthcare, Mining, Oil & Gas Refineries, Power Plants, Rail/Transit, Renewable Energy, Security, Ship Building, Steel Mills, Telecom, and Utilities. Their solutions are designed to withstand extreme environmental conditions, with temperature ranges from -55°C to 105°C and specialized features like UV resistance, oil resistance, and flame resistance.

What environmental ratings do nVent products have?

nVent enclosures feature comprehensive environmental ratings, including UL 508A, CSA, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13 certifications. They are rated IEC 60529 IP66, providing robust protection against dust, water, and corrosion in both indoor and outdoor environments. These products operate effectively in temperatures ranging from -40°F to 266°F, with enhanced UV inhibitors for outdoor weathering and oil-resistant gaskets for superior sealing.

What accessories are available for nVent products?

nVent offers a comprehensive range of accessories across multiple product lines, including EMC accessories like bonding cable clamps and strain reliefs, inline accessories such as lock inserts and mounting brackets, CONCEPT accessories including panel conversion kits and rack-mount angles, and seismic accessories for specialized mounting requirements. Key accessory categories include grounding kits, DIN rail mounting solutions, panel supports, handles, and various mounting hardware compatible with different enclosure types.

What certifications and standards do nVent products comply with?

nVent products meet critical international certifications including UL (United States), CSA (Canada), CE (European Community), and EAC (Russia). Our products are designed to comply with rigorous industrial standards such as NEMA enclosure ratings, IEC 60529 IP ratings, and international safety standards across multiple industrial markets including oil & gas, power, manufacturing, and infrastructure.

What is nVent's warranty policy?

nVent offers a standard 18-month warranty from invoicing date for most automation products, covering defects in workmanship and materials. The warranty requires proper transportation, handling, storage, and installation within specified environmental conditions. Warranty coverage includes repair or replacement at nVent's discretion, with certain conditions such as authorized service repairs and operation within designed capacity limits.

What technical support does nVent offer?

nVent offers comprehensive technical support through multiple global contact centers across North America, South America, Europe, Middle East, India, and Asia. Customers can reach technical experts by phone at regional numbers, with the North American headquarters in Minneapolis, MN providing primary support at +1.763.421.2240. Additionally, nVent provides online support resources through their website, including CAD drawing downloads and an 'Ask The Expert' feature to assist with product technical inquiries.