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Enclosure Fans & Ventilation

Enclosure fans and ventilation systems play a critical role in maintaining the optimal temperature and air quality inside electrical enclosures, especially those housing heat-generating components. These systems are designed to remove hot air from inside the enclosure and replace it with cool air from the outside, thus managing the internal temperature and preventing overheating of the equipment.

Enclosure fans, including axial fans, are typically mounted on the enclosure to facilitate forced air ventilation. This method of cooling, known as open loop cooling, works by creating a flow of air that circulates inside the enclosure, carrying away excess heat. Fans can be installed in various positions, depending on the design of the enclosure and the specific cooling requirements.

In addition to fans, many enclosures use filter fans, which are equipped with filters to clean the incoming air. These filters are crucial in preventing dust, dirt, and other contaminants from entering the enclosure, thereby protecting the components inside. This is particularly important in industrial environments or outdoor applications where the presence of such contaminants is higher.

Found 890 items
Filters
Found 890 items
Manufacturer
Hoffman (615)
Rittal (228)
Schneider Electric (46)
Component
Air Baffle (1)
Air Conditioner Accessories (2)
Air Vent (3)
Assembly Impeller (5)
Axial Fan (16)
Blower (2)
Blower & Louver (1)
Blower Assembly (26)
Blower Base (2)
Blower Capacitor (4)
Sub Component
Accessory Bag (1)
Axial Fan (15)
Blower Package Exhaust Grille (1)
Box Fan (4)
Cable Set (2)
Capacitor (1)
Coil (1)
Compressor (5)
Condensate Evaporator (2)
Condenser (1)
Air Flow Component Type
Dual Heat-Cooling Thermostat (1)
Fan Speed Control (2)
Finger Guard (16)
Grille (120)
Hood (2)
Type 1 Foam Washable (1)
Type 12 Synthetic Disposable (2)
Air Flow Component Size
1" (2)
10" (35)
10" X 5" (1)
10" X 6" (1)
10.4" (1)
11" (1)
11" X 11" (4)
11" X 20" (2)
11" X 9" (3)
11.8" (1)
Air Flow Component Voltage
115 Volt (68)
120 Volt (16)
230 Volt (53)
24 Volt (31)
250 Volt (9)
370 Volt (4)
460 Volt (2)
48 Volt (13)
Fits Package
AOEFG118 (1)
AOFF118 (1)
AVK Louver (10)
Exhaust Package (29)
Filter (4)
HF05 (7)
HF09 (4)
HF10 (7)
HF10 Filter Fans (2)
HF13 (7)
########
######## (1)
(CL)
COMES IN PACKS OF 6 (1)
AC Voltage
400 VAC (1)
Air Conditioner
Enclosure Fan Accessories (1)
Air Flow Component Composition
304 Stainless Steel (6)
Aluminum (3)
Fiberglass (1)
Galvanized Steel (7)
Mild Steel (2)
Plastic (150)
Silicone (4)
Stainless Steel (36)
Steel (48)
Thermoplastic (21)
Air Flow Component Shape
Rectangle (67)
Round (30)
Square (175)
Fan Environment
Indoor (119)
Outdoor (18)
Outdoor-Indoor (1)
Fan Filter Type Included
Filter Fan Shroud (4)
Type 1 Foam Washable (14)
Type 12 Synthetic Disposable (6)
Type 4/4X Pest Screens (4)
Fan Mount
Side-Mount (108)
Top-Mount (8)
Hoffman
Hoffman (1)
https://hoffman.nvent.com/en/hoffman/thermal-management/3074457345616818818
Https://Hoffman.Nvent.Com/En/Hoffman/Thermal-Management-Accessories/3074457345616818170 (1)
Number of Devices Controlled
1 Device (2)
2 Devices (1)
Outdoor-Indoor
Fan Thermostat (1)
Vent Cover Compostion
Plastic (21)
Stainless Steel (39)
Vent Exhaust Package
Exhaust Package (29)
Vent Includes Filter Type
Aluminum (6)
None (7)
Stainless Steel (4)
Vent IP Rating
IP 54 (14)
IP 55 (4)
Vent Kit
Vent Kit (4)
Line
Climasys (37)
Global IEC (17)
WEATHERFLO (5)
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Hoffman HG1000404 Light Gray Exhaust Grille 10" IP54
Free U.S Ground shipping
$121.76
$101.47
Normally In Stock
Hoffman HF1016414 Filter Fan Package 10" 115V
Free U.S Ground shipping
$553.67
$461.39
Normally In Stock
Hoffman A4AXFN Axial Fan 4" 115V
Free U.S Ground shipping
$183.37
$152.81
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Hoffman TEP4 Exhaust Package 4" Gray
Free U.S Ground shipping
$177.00
$147.50
Normally In Stock
Hoffman A6AXFN Axial Fan 6" 115V
Free U.S Ground shipping
$385.84
$321.53
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Hoffman AFLTR4LD Fan Filter and Finger Guard Kit
Free U.S Ground shipping
$55.44
$46.20
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Hoffman TEP6 Exhaust Package 6" Gray
Free U.S Ground shipping
$187.19
$155.99
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Hoffman ANMV6 Ventilator 2"
Free U.S Ground shipping
$54.38
$45.32
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Hoffman AVK43SS6 316 Stainless Steel Louver
Free U.S Ground shipping
$224.11
$186.76
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Hoffman 89134426R Replacement IP54 Filter HF10
Free U.S Ground shipping
$28.38
$23.65
Normally In Stock
Hoffman TG4B Black Grille 4"
Free U.S Ground shipping
$51.46
$42.88
Normally In Stock
Hoffman ABRKT6 Fan Bracket 6"
Free U.S Ground shipping
$62.78
$52.32
Normally In Stock
Hoffman A3AXFN24 Axial Fan 3" 24VDC
Free U.S Ground shipping
$163.00
$135.83
Normally In Stock
Hoffman AFLT43 Filter
Free U.S Ground shipping
$62.15
$51.79
Normally In Stock
Hoffman AVK66SS6 316 Stainless Steel Louver
Free U.S Ground shipping
$277.61
$231.34
Normally In Stock
Hoffman AVK812 Gray Louver
Free U.S Ground shipping
$94.87
$79.06
Normally In Stock
Hoffman AVK23 Gray Louver
Free U.S Ground shipping
$46.48
$38.73
Normally In Stock
Hoffman HG0400404 Light Gray Exhaust Grille 4" IP54
Free U.S Ground shipping
$71.22
$59.35
Normally In Stock
Rittal 3171100 STD FILTER MAT
Free U.S Ground shipping
$84.31
$70.26
Normally In Stock
Rittal 3322700 STD FILTER MAT
Free U.S Ground shipping
$54.38
$45.32
Normally In Stock
Hoffman 89134427R Replacement IP54 Filter HF13
Free U.S Ground shipping
$40.10
$33.42
Normally In Stock
Hoffman AFLTR6AL Filter 6" Washable Aluminum TEP6
Free U.S Ground shipping
$111.92
$93.27
Normally In Stock
Hoffman TFP41 Filter Fan Package 115V Gray 6 x 7
Free U.S Ground shipping
$392.21
$326.84
Normally In Stock
Hoffman AFLTR6 Filter 6" Washable Foam TEP6
Free U.S Ground shipping
$99.71
$83.09
Normally In Stock
Hoffman AFLTR4AL Filter 4" Washable Aluminum TEP4
Free U.S Ground shipping
$86.46
$72.05
Normally In Stock
Hoffman TEP4SS Exhaust Package 4" Stainless Steel
Free U.S Ground shipping
$269.95
$224.96
Normally In Stock
Hoffman HF0424414 Filter Fan Package 4" 24VDC
Free U.S Ground shipping
$260.70
$217.25
Normally In Stock
Hoffman HH10MS35004 Filter Fan Shroud 17.0" x 12.0" 4 or 12 Washdown
Free U.S Ground shipping
$537.58
$447.98
Normally In Stock
Hoffman THERM16F Thermostat Controller 115 VAC, 40 to 140 Control Range
Free U.S Ground shipping
$177.77
$148.14
Normally In Stock
Hoffman TG6B Black Grille 6"
Free U.S Ground shipping
$55.64
$46.37
Normally In Stock
Hoffman AVK33 Gray Louver
Free U.S Ground shipping
$48.52
$40.43
Normally In Stock
Hoffman AVK44 Gray Louver
Free U.S Ground shipping
$55.27
$46.06
Normally In Stock
Hoffman AFLT44 Filter
Free U.S Ground shipping
$60.23
$50.19
Normally In Stock
Hoffman TFP41SS Filter Fan Package 115V Stainless 6 x 7
Free U.S Ground shipping
$480.07
$400.06
Normally In Stock
Hoffman TFP424 Filter Fan Package 4" 24VDC Gray 6 x 7
Free U.S Ground shipping
$444.41
$370.34
Normally In Stock
Hoffman TFP61 Filter Fan Package 115V Gray 8 x 9
Free U.S Ground shipping
$660.89
$550.74
Normally In Stock
Hoffman TFP101 Filter Fan Package 115V Gray 12 x 13
Free U.S Ground shipping
$916.85
$764.04
Normally In Stock
Hoffman ACORD1 Fan Cord One Connection
Free U.S Ground shipping
$79.49
$66.24
Normally In Stock
Hoffman ACORD2T Fan Cord With INLINE Thermostat Two Connections 120 VAC
Free U.S Ground shipping
$159.84
$133.20
Normally In Stock
Hoffman AGARD3 Finger guard 3"
Free U.S Ground shipping
$27.42
$22.85
Normally In Stock
Hoffman AGARD4 Finger guard 4"
Free U.S Ground shipping
$31.84
$26.53
Normally In Stock
Hoffman TFP624 Filter Fan Package 6" 24VDC Gray 8 x 9
Free U.S Ground shipping
$775.49
$646.24
Normally In Stock
Hoffman AFLT34 Filter
Free U.S Ground shipping
$58.97
$49.14
Normally In Stock
Hoffman TFLT6UL12 Filter 6" Disposable Synthetic TEP6
Free U.S Ground shipping
$248.32
$206.93
Normally In Stock
Hoffman A6AXFNGQ Axial Quiet Fan 6" 115V
Free U.S Ground shipping
$477.38
$397.82
Normally In Stock
Hoffman A6AXFN24 Axial Fan 6" 24VDC
Free U.S Ground shipping
$501.72
$418.10
Normally In Stock
Hoffman A4AXFNPG Axial Fan 4" 115V
Free U.S Ground shipping
$227.33
$189.44

More Information about Enclosure Fans and Ventilation

Natural convection is another method used in enclosure ventilation. This passive cooling technique relies on the natural rise of hot air and the subsequent flow of cooler air into the enclosure. While natural convection is less effective than forced air ventilation in high-heat situations, it can be suitable for enclosures with lower cooling requirements.

For outdoor enclosures, additional factors such as humidity, moisture, and the ingress of water need to be considered. In these cases, enclosures might be equipped with ventilation systems that have protective features like NEMA ratings, which indicate their suitability for outdoor use and their ability to prevent the ingress of environmental elements.

Ventilation systems and fans in enclosures are often designed to operate under various pressure conditions and in different air flow options. For example, some systems might create a significant air movement to achieve efficient cooling, while others might focus on maintaining a steady, low flow of air to prevent dust accumulation and condensation.

FAQs

Does a vent kit alleviate static pressure?

A vent kit in an enclosure can help alleviate static pressure, but its primary function is generally to facilitate air flow and aid in temperature regulation within the enclosure. Static pressure in this context refers to the resistance to airflow within the enclosure, which can be caused by various factors including the layout of the components, the presence of filters, and the configuration of the ventilation system.

Common modifications or accessories that are used to enhance electrical cabinets.

Lighting kits. Lighting kits are often used in outdoor applications. There are many different styles of lighting kits that can be used, but LEDs have become the preferred lighting solution in the past several years.

Pressure switches. Pressure switches operate on a spring and react to the cabinet door opening and closing. They can be used for lights, intrusions alarms and exhaust fans.

Passive air vents. Passive air vents allow natural air circulation to flow through a cabinet providing proper ventilation.

Enclosure fans. Enclosure air fans are used when more ventilation is required. The size of the fan will depend on the size of the enclosure as well as the amount of air that needs to be circulated.

Air conditioners. Air conditioners are used when ambient air circulation is inadequate to cool the cabinet. The air conditioner size will depend on the enclosure size, ambient air temperature and heat generated within the cabinet.

Heaters. Heaters are used when a cabinet is located in areas that may be exposed to cold temperatures.

Locking mechanisms. Locking mechanisms are used to secure cabinets.

Conduit hole seals. Conduit hole seals are used on cabinets that have holes that need to be plugged after conduit has been removed.