nVent SSTB303012-316 - Terminal Box, SSTB, 300x300x120mm, Brushed, Stainless 316
nVent

SSTB303012-316

UPC: 783510529239


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Installation Instructions

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Overview

The nVent SSTB Stainless Steel Terminal Box, SKU SSTB303012-316, offers robust protection for electrical components in demanding industrial environments. Engineered with high-grade Stainless Steel 316, this enclosure provides exceptional corrosion resistance, making it an ideal choice for both indoor and outdoor applications where exposure to moisture, chemicals, or harsh atmospheric conditions is a concern. The IP66 rating signifies superior protection against dust ingress and powerful water jets, ensuring the integrity of internal circuitry and preventing costly component failures. This terminal box is part of the widely recognized SSTB range from nVent, a leader in electrical enclosure solutions. The availability of the SSTB series in a variety of standard sizes ensures that specifiers can find a suitable fit for diverse project requirements. The brushed stainless steel finish not only contributes to the aesthetic appeal but also enhances its durability and resistance to surface damage. Properly housing electrical connections, junction points, and sensitive control equipment within an SSTB box is critical for maintaining operational efficiency and minimizing unplanned downtime. By safeguarding against environmental contaminants, nVent's SSTB terminal boxes help extend the lifespan of electrical installations and reduce maintenance overhead. Key benefits of the nVent SSTB 300x300x120mm terminal box include: * **Superior Corrosion Resistance:** Constructed from Stainless Steel 316, offering excellent protection against rust and chemical attack, crucial for marine, chemical processing, and food & beverage industries. * **High Ingress Protection:** An IP66 rating ensures complete protection against dust and high-pressure water jets, vital for outdoor installations and washdown environments. * **Durable Construction:** The robust stainless steel build withstands physical impact and harsh operational conditions. * **Versatile Application:** Suitable for a broad spectrum of industrial sectors including manufacturing, energy, telecommunications, and infrastructure projects. * **Reliable Component Protection:** Prevents failure of electrical components due to environmental factors, thereby reducing downtime and associated costs. * **Off-the-Shelf Availability:** Part of a comprehensive range of sizes, facilitating quick deployment and project completion. When selecting an enclosure for critical electrical infrastructure, the nVent SSTB series stands out for its quality, reliability, and performance. The 300x300x120mm dimensions of the SSTB303012-316 model provide ample space for wiring, terminations, and smaller control devices. Installation professionals and project managers trust nVent for their commitment to delivering enclosures that meet stringent industry standards and provide long-term operational security. Investing in an nVent SSTB terminal box is an investment in the reliability and longevity of your electrical systems.
  • 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
Corrosive Environments; Factory Automation and Process Control; Hazardous Environments
Body Thickness
18 ga
Body Thickness
1 mm
Cable Entry
No
Color
Brushed
Color
Unpainted
Construction
Body: 18 gauge Door: 16 gauge
Cubic Capacity
659 Cu-in
Depth
4.72 in
Depth
120 mm
Door Thickness
16 ga
Door Thickness
1.5 mm
Finish
Brushed
Height
11.81 in
Height
300 mm
Insulation
No
IP Rating
IP66
Knockouts
No
Material
Stainless Steel 316
Mounting
Wall Mounted
Number of Outlet
1
Protection Rating
NEMA Type 12
Series
SSTB
Size
11.81 x 11.81 x 4.72 inch
Size
300x300x120mm
Type
Stainless Steel Terminal and Junction Boxes
Weight
7.61 lb
Weight
3.45 kg
Width
300 mm
Width
11.81 in
Package Dimensions (L x W x H)
12.19 IN x 12.19 IN x 12.44 IN
Package Dimensions (L x W x H)
30.9626 cm x 30.9626 cm x 31.5976 cm
Package Weight (Imperial)
8.400 L
Package Weight (Metric)
3.810 kg
Terminal Box, SSTB, 300x300x80mm, Brushed, Stainless 316

SSTB303008-316

Terminal Box, SSTB, 300x300x80mm, Brushed, Stainless 316

How to Prepare for SSTB408012-316 Installation

This guide outlines critical preparatory steps and safety considerations for installing the SSTB408012-316, focusing on surface and enclosure integrity based on provided warnings.

Estimated time: 15m

Supplies needed:

Floor plate (if required), Appropriate enclosure closing devices (if customizing)

  1. Prepare Combustible Mounting Surface

    If mounting the SSTB408012-316 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 the plate extends at least 150 mm beyond the equipment on all sides.

  2. Ensure Enclosure Environmental Integrity

    When customizing the enclosure for SSTB408012-316, use only devices with environmental ratings matching the enclosure to close any openings. This is crucial for maintaining the enclosure's environmental integrity.

  3. Consult Full Installation Manual

    Review the complete installation manual for SSTB408012-316 for detailed mounting, wiring, and setup instructions specific to your application. This document provides general safety prerequisites.

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.