nVent G572046G051 - SpectraCool Indoor/Outdoor G57, 20000BTU 460V, Brushed, SS304
nVent

G572046G051

UPC: 783510199050

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Overview

The nVent SpectraCool G57 (SKU: G572046G051) is a high-performance, industrial-grade air conditioning unit engineered for demanding enclosure cooling applications in harsh environments. Designed to deliver 20,000 BTU of reliable cooling at 460V with 50/60Hz three-phase power, this unit combines robust construction with operational flexibility to meet the rigorous demands of industrial, commercial, and outdoor installations. Built by nVent, a global leader in thermal management and electrical solutions, the SpectraCool G57 is trusted by professionals in manufacturing, data centers, telecommunications, and utility sectors where consistent temperature control is critical to equipment performance and longevity. This SpectraCool model features a brushed stainless steel 304 (SS304) enclosure, providing superior corrosion resistance and durability against moisture, dust, and chemical exposure—ideal for indoor/outdoor use. Its filterless design eliminates the need for routine filter maintenance, reducing downtime and operational costs while ensuring continuous airflow and cooling efficiency. The clean, professional appearance and compact footprint make it suitable for both wall-mounted and stand-alone installations, offering versatility in tight or exposed spaces. Industrial-grade cooling solutions like the SpectraCool G57 are essential in environments where sensitive electronics, control panels, or machinery generate heat that could lead to performance degradation or failure. Typical applications include cooling electrical enclosures, server rooms, telecom shelters, and industrial control cabinets. The unit’s three-phase power compatibility ensures stable operation in commercial and industrial facilities with high electrical loads, while its wide frequency range (50/60Hz) supports global deployment without modification. nVent’s reputation for engineering durable, high-efficiency thermal solutions is reflected in the SpectraCool G57. The product line is built on decades of expertise in thermal management, with a focus on reliability, energy efficiency, and ease of installation. Professionals choose nVent for its commitment to quality and compliance with industry standards, ensuring long-term performance and reduced total cost of ownership. Installation is streamlined thanks to the unit’s modular design and pre-engineered mounting options. The SpectraCool G57 can be integrated into existing HVAC systems or deployed as a standalone solution, with flexible ducting and venting configurations to suit site-specific requirements. Its quiet operation and vibration-dampening components make it suitable for noise-sensitive areas, while the durable SS304 housing ensures protection against vandalism or accidental impact. For facilities requiring dependable enclosure cooling without compromise, the nVent SpectraCool G57 delivers unmatched performance, durability, and value. Whether safeguarding critical infrastructure in a manufacturing plant or ensuring optimal operating conditions in a remote telecom site, this air conditioner stands as a trusted solution in the nVent portfolio of industrial thermal management products.
  • 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 Deg C
Ambient Temperature
50-131 °F
Application
Corrosive Environments; Power Distribution; Controls and Drives
Application
Controls and Drives;Corrosive Environments;Power Distribution
Btu Rating
20,000
Color
Unpainted
Corrosion Resistant
No
Depth
388 mm
Depth
15.28 in
Finish
Brushed #3
Frequency Rating
50/60 Hz
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
50 Hz
Height
1,465 mm
Height
57.69 in
Material
Stainless Steel 304
Max Current
6.8 A
Mounting
Side wall
NEMA Rating
4X Watertight, corrosion-resistant
Nominal Capacity Btu/h
20,000 Btu/h
Nominal Capacity Watts
5,861 W
Nominal Voltage
460 V
Number Of Phases
3
Operating Temperature
50-131
Operating Temperature
10-55
Operating Temperature
10-55 °C
Outdoor Installation
Yes
Phase
3
Phase
3 Ph
Product Family
SpectraCool
Protection Rating
NEMA Type 4X
Refrigerant
R407C
Remote Access Control
No
Thickness
20 ga
Thickness
51.40mm (2.024")
Type
Air Conditioners
Voltage AC
400-460 V
Voltage Rating
400/460 V
Weight
277 lb
Weight
89 kg
Width
530 mm
Width
20.87 in
Package Dimensions (L x W x H)
26 IN x 19 IN x 63 IN
Package Dimensions (L x W x H)
66.04 cm x 48.26 cm x 160.02 cm
Package Weight (Imperial)
277.000 L
Package Weight (Metric)
125.647 kg
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How to Install the G572046G051 Air Conditioner

This guide provides step-by-step instructions for installing and configuring the G572046G051 air conditioner, ensuring proper functionality and safety.

Estimated time: 45m

Tools needed:

Screwdriver, Wrench, Ratchet driver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Gaskets, Wire connectors

  1. Inspect the air conditioner

    Check for any visible damage and verify functionality before mounting. Ensure the unit is upright for at least five minutes before operation.

  2. Install gaskets

    Using the mounting gasket kit provided, attach gaskets to the air conditioner to ensure a watertight seal.

  3. Mount the air conditioner

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

  4. Wire the unit

    Refer to the nameplate for electrical requirements and wire the unit to a properly grounded power supply. Ensure the circuit is fused appropriately.

  5. Verify electrical phasing

    For 3-phase units, check that the phase monitor light is illuminated after applying power, indicating correct phasing.

  6. Connect the thermostat

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

  7. Set the thermostat

    Adjust the thermostat to the desired cabinet temperature, following the Sequence of Operation for proper settings.

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.