nVent STB204012 - Terminal Box, STB, 200x400x120mm, Light Gray, Mild Steel
nVent

STB204012

UPC: 783510529529

Documents & Media
Installation Instructions

Contact for Pricing

Overview

The nVent STB Series Terminal Box, SKU STB204012, is a robust and reliable enclosure designed for demanding industrial applications. Constructed from durable mild steel and finished in a neutral light gray, this terminal box offers superior protection for electrical components in challenging indoor environments. With its impressive IP66 rating, the STB series effectively safeguards sensitive equipment from dust ingress and high-pressure water jets, significantly reducing the risk of component failure and costly operational downtime. Engineered for longevity and performance, the STB terminal box range is available in a wide array of standard sizes, ensuring a perfect fit for diverse project requirements. The 200x400x120mm dimensions of the STB204012 model provide ample space for wiring, connections, and small control devices. nVent, a trusted name in electrical enclosure solutions, delivers this product with the assurance of quality and engineering excellence that professionals have come to expect. Key benefits of the nVent STB Terminal Box include: * **Superior Environmental Protection:** The IP66 rating ensures complete protection against dust and powerful water streams, making it ideal for washdown areas or environments with high particulate levels. * **Durable Construction:** Manufactured from high-quality mild steel, this enclosure offers excellent mechanical strength and resistance to impact, protecting internal components from physical damage. * **Versatile Application:** Suitable for a broad spectrum of industrial settings, including manufacturing plants, processing facilities, and control rooms, where reliable electrical housing is paramount. * **Reduced Downtime:** By preventing the ingress of contaminants, the STB terminal box helps maintain the integrity of electrical systems, thereby minimizing unscheduled maintenance and operational interruptions. * **Off-the-Shelf Availability:** The STB range is designed for quick deployment, with many common sizes readily available to meet urgent project timelines. When selecting an enclosure for critical electrical infrastructure, the nVent STB Series stands out for its combination of protective features, durable materials, and practical design. The light gray finish not only provides a clean aesthetic but also aids in visibility within industrial settings. Installation is straightforward, allowing for efficient integration into existing control panels or standalone mounting configurations. Professionals rely on nVent enclosures to safeguard their investments and ensure the continuous operation of their facilities. The STB204012 is a testament to nVent's commitment to providing dependable and high-performance electrical protection solutions for the most demanding industrial challenges.
  • Material: 1.2 mm mild steel.
  • Body: Folded and seam welded. Four 8.5 mm diameter holes for wall fixing. Four M6 × 13 studs for bottom profiles / mounting plate fixation.
  • Gasket: Sealing is ensured by an injected one piece polyurethane gasket.
  • Earthing: M8x18 mm earthing studs in body and cover, M8 nuts, earthing washers and earthing labels.
  • Protection: IP 66, TYPE 4, 12, IK 08.
  • Finish: RAL 7035, structured powder coating.
  • Delivery: Body, cover, cover screws, fixing screws, cover plugs, and earthing facilities.

Specifications

Application
Controls and Drives;Factory Automation and Process Control
Application
Factory Automation and Process Control; Controls and Drives
Body Thickness
1.2 mm
Body Thickness
18 ga
Body Thickness
16 ga
Cable Entry
No
Color
Light Gray;RAL 7035 Light Gray
Color
Light Gray
Color Code
RAL 7035
Construction
Body: 18 gauge Door: 18 gauge
Cubic Capacity
586 in3
Depth
13 IN
Depth
4.72
Depth
120
Door Thickness
14 ga
Door Thickness
18 ga
Door Thickness
1.2 mm
Finish
Powder Coated
Height
44 IN
Height
7.87
Height
200
Insulation
No
Material
Mild Steel
Mounting
Wall Mounted
NEMA Rating
NEMA Type 4 NEMA Type 12 NEMA Type 13
NEMA Rating
4
Number Of Outlet
1
Protection Rating
NEMA Type 4
Size
7.87 x 15.75 x 4.72 inch
Type
Mild Steel Terminal and Junction Boxes
Type
Mild Steel Industrial Terminal and Junction Boxes
Weight
7.71 lb
Weight
32 lbs./100ft
Width
15.75
Width
400
Width
23 IN
Package Dimensions (L x W x H)
16.12 IN x 8.25 IN x 5.35 IN
Package Dimensions (L x W x H)
40.9448 cm x 20.955 cm x 13.589 cm
Package Weight (Imperial)
7.710 L
Package Weight (Metric)
3.497 kg
Terminal Box, STB, 200x300x120mm, Light Gray, Mild Steel

STB203012

Terminal Box, STB, 200x300x120mm, Light Gray, Mild Steel

How to Install the STB204012 Controller

This guide provides step-by-step instructions for installing and configuring the STB204012 Controller, including wiring and calibration.

Estimated time: 1h

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Wire connectors, Floor plate (if applicable)

  1. Prepare the installation area

    Ensure the installation surface is clean and free of debris. If mounting on a combustible surface, install a floor plate of at least 1.43 mm galvanized or 1.6 mm uncoated steel, extending at least 150 mm beyond the equipment on all sides.

  2. Mount the controller

    Secure the STB204012 Controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  3. Connect the wiring

    Use wire connectors to connect the power supply and input/output wires to the appropriate terminals on the controller. Verify all connections are secure and correctly placed.

  4. Power on the controller

    Turn on the power supply to the controller. Use a multimeter to verify that the voltage at the controller's terminals is within the specified range.

  5. Configure the controller settings

    Access the controller's configuration interface and set the desired parameters according to your application requirements. Refer to the user manual for specific configuration options.

  6. Calibrate the controller

    Follow the calibration procedure outlined in the user manual to ensure the controller operates accurately. This may involve adjusting settings based on feedback from connected sensors.

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.