Electrical Enclosure Heater Sizing

Depending on what s in the cabinet it can cause larger problems.

Electrical enclosure heater sizing. Saginaw control and engineering. The wattage of the heater you need is determined by the total surface area of your enclosure and the temperature rise you need to produce. An improperly sized cabinet enclosure heater can damage your electrical components and cost you in repairs. Electrical current draw of panel components heat loss voltage.

Find your enclosure s total surface area by entering its dimensions here. Cabinet enclosure heater sizing. Five steps to determine heating requirements calculations to determine the required heater size include the following five steps. For localized heat in a large enclosure place them near batteries and other parts that don t work well in the cold.

Generally heaters over 150 watts will include an axial fan to move the heat throughout the enclosure. An enclosure heater from grainger helps to protect mechanical electrical and electronic equipment from freezing condensation and corrosion. Protect your critical enclosure assets from the harmful effects of low temperatures condensation and corrosion. Tubular low profile finned strip silicone rubber panel radiant and fan driven enclosure heaters feature thermostatic controls designed to maintain stable enclosure temperatures.

Once you make your calculations you can decide on the best choice for a type of heater and how many btus british thermal unit the standard heat measurement you need. Under 2 long these tiny heaters fit in tight spaces such as security camera enclosures. Choose from a wide range of capacities power inputs mounting options sizes and type ratings. Start with the surface area measure the height width and depth of your enclosure.

How to calculate heater size. Larger enclosures often require fan heaters to distribute the heat throughout the enclosure. Exterior dimensions of enclosure insulation thickness and type required temperature minimum ambient temperature internal heat source i e. You can use this calculator to find the wattage you need.

9 42 data subject to change without notice 763 4222211 fax 763 422 2600 2003 hoffman enclosures inc. Rely on nvent hoffman s full portfolio of enclosure heater solutions to help maintain stable temperatures for your equipment. Enclosures less than 100 ft2 surface area conservative values for heat loss are as shown in the table below.