nVent G521216G800 - SpectraCool Advanced Corrosion Protection Lvl 2, 12000BTU 115V, Lt Gray, Steel
nVent

G521216G800

UPC: 783510356828

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Overview

The nVent SpectraCool Advanced Corrosion Protection Level 2 Air Conditioner (SKU: G521216G800) delivers precision enclosure cooling for industrial environments where reliability and durability are non-negotiable. Designed for 12,000 BTU cooling capacity at 115V, this unit is engineered to maintain optimal operating temperatures within electrical enclosures, control panels, and sensitive industrial equipment—even in harsh or corrosive conditions. Built with a galvanized steel housing and rated for Level 2 corrosion protection, the SpectraCool series is ideal for facilities in chemical processing, oil and gas, water treatment, manufacturing, and outdoor telecom installations where exposure to moisture, salt spray, or industrial contaminants is common. This ensures long-term performance and reduced maintenance costs in environments where standard cooling units would fail prematurely. SpectraCool units are part of nVent’s trusted line of enclosure climate control solutions, a brand synonymous with innovation and durability in industrial thermal management. The G521216G800 model features a lightweight yet robust design, a filterless operation for minimal maintenance, and a clean aesthetic that integrates seamlessly into control rooms, switchgear, and data centers. Its compact footprint and top-vented airflow design simplify installation in tight spaces, while the integrated thermostat and digital controls allow for precise temperature regulation—typically between 50°F and 104°F (10°C to 40°C)—ensuring consistent protection for sensitive electronics and control systems. Professionals across industries rely on nVent SpectraCool units for applications such as: - Protecting PLCs, HMIs, and variable frequency drives (VFDs) in manufacturing plants - Cooling outdoor telecom shelters and base stations in coastal or high-humidity regions - Maintaining stable temperatures in water treatment SCADA systems exposed to chemical vapors - Supporting automation enclosures in food and beverage processing where washdowns are frequent - Enhancing reliability in oil and gas field instrumentation exposed to extreme temperature swings Installation is straightforward thanks to the unit’s pre-drilled mounting holes and compatibility with standard NEMA 12 or 4X enclosures. The corrosion-resistant galvanized steel housing and powder-coated finish provide superior protection against rust, salt, and chemical exposure, extending service life in aggressive environments. nVent’s global engineering expertise ensures that SpectraCool units meet rigorous UL, CE, and RoHS certifications, offering peace of mind in regulated industries. Choose the nVent SpectraCool G521216G800 for a cooling solution that combines advanced corrosion resistance, reliable performance, and minimal maintenance—backed by a manufacturer with decades of experience in industrial thermal management. Whether you’re upgrading legacy systems or designing new facilities, this unit delivers the durability and precision required to protect critical assets in even the most demanding conditions.
  • Attractive industrial design with minimal use of visible fasteners
  • Level 1 Protection Includes: Protective coatings only applied to copper tubing and coils on the condenser (exterior facing) side as well as thermostat coatings
  • Energy-efficient rotary compressor on most models
  • Level 2 Protection Include: Everything that was coated in Level 1, plus protective coatings applied to the evaporator (interior facing ) side and an additional wrap around the thermostat
  • Cleanable, reusable aluminum mesh filter included to protect coils for maximum cooling performance in dirty environments
  • R407C, R513A or R134a refrigerants
  • 115, 230 and 400/460 VAC 3-phase power input on most models
  • Reliable mechanical thermostat on enclosure side of the unit
  • All G-series come standard with two separate thermostats for cooling and heating when a heater is equipped
  • Operating temperature range from -40 F/-40 C to 131 F/55 C

Specifications

Ambient Temperature
-40-131 °F
Ambient Temperature
40 Deg C
Application
Controls and Drives;Corrosive Environments;Power Distribution
Application
Power Distribution; Corrosive Environments; Controls and Drives
Color
Light Gray
Color
Gray
Color Code
RAL 7035
Corrosion Resistant
Yes
Depth
296 mm
Depth
11.66 in
Finish
Powder Coated
Height
1,338 mm
Height
52.69 in
Material
Mild Steel
Max Current
21 A
Mounting
Side wall
NEMA Rating
4X Watertight, corrosion-resistant
Nominal Capacity Btu/h
12,000 Btu/h
Nominal Capacity Watts
3,500 W
Nominal Voltage
115 V
Number Of Phases
1
Operating Temperature
-40-131
Operating Temperature
-40-55
Operating Temperature
-40-55 °C
Outdoor Installation
Yes
Product Family
SpectraCool
Protection Rating
NEMA Type 4X
Refrigerant
R134a
Remote Access Control
No
Thickness
18 ga
Thickness
51.40mm (2.024")
Thickness
1.21 mm
Type
Air Conditioners
Voltage AC
100-120 V
Weight
59.4 kg
Weight
128 lb
Width
17.12 in
Width
435 mm
Package Dimensions (L x W x H)
52.7 IN x 17.14 IN x 11.65 IN
Package Dimensions (L x W x H)
133.858 cm x 43.5356 cm x 29.591 cm
Package Weight (Imperial)
128.000 L
Package Weight (Metric)
58.061 kg
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How to Install the G520816G151 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the G520816G151 air conditioner, ensuring proper functionality and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wrench, Ratchet driver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Mounting gasket, Electrical wire, Thermostat (if required)

  1. Inspect the air conditioner

    Check for any visible damage and ensure the unit is functioning correctly before proceeding with installation.

  2. Install mounting gaskets

    Apply the mounting gaskets provided with the unit to ensure a watertight seal between the air conditioner and the enclosure.

  3. Mount the air conditioner

    Securely mount the air conditioner to the enclosure, ensuring not to damage the gaskets. Start bolts by hand to avoid cross-threading.

  4. Wire the air conditioner

    Connect the unit to a properly grounded power supply, ensuring the circuit is fused with a slow blow or HACR circuit breaker.

  5. Connect the thermostat

    If required, wire the thermostat outputs to the appropriate terminals on the 24 VAC terminal strip according to the wiring diagram.

  6. Set the thermostat

    Adjust the thermostat to the desired cabinet temperature, following the guidelines in the Sequence of Operation.

  7. Test the air conditioner

    Allow the unit to remain upright for at least five minutes before powering on. Verify that the evaporator fan starts and the compressor operates correctly.

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.