Components eBook

— Smaller panel sizes with ElfaPlus*

How is this achieved?

Value to panel builder UL489 480/277Vac MCB Example Example using 300 watt heat dissipation load

ElfaPlus utilizes a specially designed thermal system that is able to handle a wider range of temperatures. This leads to reduced cooling costs and a smaller enclosure that can be operated in higher ambient temperatures. Working Temp Range (°F) (°C) -50 -25 0 25 50 75 100 125 150 175 -46 -32 -18 -4 10 24 38 52 66 79

Competitor B/C

ElfaPlus

MCB Example

48”

42”

-40 (-40)

158 (70)

23.5ft 2 Cooling surface area

30.7ft 2 Cooling surface area

ElfaPlus

23 (-5)

104 (40)

Competitor A

12”

16”

-13 (-25) -13 (-25)

131 (55) 131 (55)

36”

Competitor B

36”

-25% Less cooling surface area required & Enclosure material cost

Competitor C

Slide 9

Source: Hoffman Thermal Management Technical Bulletin, Sealed Painted Metallic Enclosure Sizing

August 8, 2018