Authorized nVent Distributor
nVent STB203012 - Terminal Box, STB, 200x300x120mm, Light Gray, Mild Steel

nVent STB203012 Terminal Box, STB, 200x300x120mm, Light Gray, Mild Steel

UPC: 783510529482


Documents & Media
Installation InstructionsSpecification SheetManufacturer Product Website

Contact for Pricing

Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.

Overview

The nVent STB203012 is a robust mild steel terminal box engineered for reliable protection of electrical components in demanding indoor industrial environments. Constructed from 1.2 mm mild steel with a RAL 7035 structured powder coating, this enclosure offers excellent corrosion resistance. It achieves stringent protection ratings including IP66, NEMA/EEMAC Type 4, 12, 13, and IK08, ensuring safeguarding against dust ingress, high-pressure water jets, and significant impact. The internal dimensions provide ample space for equipment, measuring 200mm (Height) x 300mm (Width) x 120mm (Depth). The body is seam-welded for structural integrity and includes four 8.5 mm holes for secure wall mounting. For accessory attachment, four M6 x 13 studs are integrated. A one-piece injected polyurethane gasket guarantees a tight, reliable seal against environmental contaminants. For safety, M8x18 mm earthing studs are provided on both the body and cover, complete with nuts and washers. This nVent terminal box is ideal for deployment in factories, processing plants, and other challenging environments where equipment integrity is paramount. UL 508A Listed; cUL Listed per CSA C22.2 No.0, No.0.4, No.14, No.94; CE, UK CA, UL.
  • 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
Body Thickness
18 ga
Body Thickness
16 ga
Body Thickness
1.2 mm
Cable Entry
No
Color
Light Gray;RAL 7035 Light Gray
Color
Light Gray
Color
Gray
Color
Grey
Color Code
RAL 7035
Construction
Body: 18 gauge Door: 18 gauge
Cubic Capacity
439 in3
Depth
4.72 in
Depth
13 IN
Depth
120
Door Thickness
18 ga
Door Thickness
14 ga
Door Thickness
1.2 mm
Finish
Powder Coated
Height
44 IN
Height
7.87 in
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 11.81 x 4.72 inch
Type
Mild Steel Industrial Terminal and Junction Boxes
Type
Mild Steel Terminal and Junction Boxes
Weight
32 lbs./100ft
Weight
6.3 lb
Width
23 IN
Width
11.81 in
Width
300
Package Dimensions (L x W x H)
12.19 IN x 8.25 IN x 5.35 IN
Package Dimensions (L x W x H)
30.9626 cm x 20.955 cm x 13.589 cm
Package Weight (Imperial)
6.300 L
Package Weight (Metric)
2.858 kg
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Frequently Asked Questions

What are the dimensions of the STB203012 terminal box?

The STB203012 terminal box has dimensions of 7.87 inches in height, 11.81 inches in width, and 4.72 inches in depth.

What material is the STB203012 terminal box made of?

The STB203012 terminal box is constructed from 1.2 mm mild steel with an 18ga body and door thickness.

What is the protection degree of the STB203012 terminal box?

The STB203012 terminal box has an IP 66 protection degree, and meets NEMA/EEMAC Type 4, 12, 13 standards.

What is the color and finish of the STB203012 terminal box?

The STB203012 terminal box is light gray (RAL 7035) with a structured powder coating finish.

What industry standards does the STB203012 terminal box comply with?

The STB203012 terminal box is UL 508A Listed, cUL Listed, NEMA/EEMAC Type 4, 12, 13, and IEC 62208 IP66 compliant.

What is included with the STB203012 terminal box upon delivery?

Delivery includes the body, cover, cover screws, fixing screws, cover plugs, and earthing facilities.

How is sealing ensured in the STB203012 terminal box?

Sealing is ensured by an injected one-piece polyurethane gasket.

What is the weight of the STB203012 terminal box?

The STB203012 terminal box weighs 6.3lb.

Are mounting panels included with the STB203012 terminal box?

No, the panel is sold separately for the STB203012 terminal box.

What are the earthing provisions for the STB203012 terminal box?

It has M8x18 mm earthing studs in the body and cover, with M8 nuts, earthing washers, and labels.

How to Install the STB203012 Controller

This guide provides step-by-step instructions for installing and configuring the STB203012 Controller, ensuring proper wiring and setup.

Estimated time: 1h

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors

  1. Mount the controller

    Secure the STB203012 controller to the DIN rail using the integrated clips. Ensure the controller is level and firmly attached.

  2. Connect the power supply

    Use terminal connectors to connect the power supply wires to the designated input terminals on the controller. Verify that the connections are secure and insulated.

  3. Wire the input/output terminals

    Connect the input and output devices to the corresponding terminals on the STB203012 controller. Use a multimeter to check for proper voltage and continuity after wiring.

  4. Configure the controller settings

    Power on the controller and access the configuration menu. Set the required parameters according to your application needs.

  5. Calibrate the controller

    Follow the calibration procedure outlined in the user manual to ensure accurate readings and performance. Adjust settings as necessary.

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.