FEATURE ENCLOSURES VERSATILE HEATERS FOR ENCLOSURES
Smaller in size, ever more powerful in output - enclosures are increasingly more densely equipped with electrical and electronic components. Consequently, the space for necessary thermal measures is becoming tight. Electronics protectors from Stego recognise this problem and offer a solution to avoid condensation
creating the CP 061. Therefore, focusing on the heater body’s flat design was key. An extruded aluminium profile with a rectangular cross-section of 100mm width by 8mm height serves as raw material for the heater body. By varying the length, users are given a choice between two heating capacities: 50W (with a length of 239mm) and 100W (with a length of 414mm). The CP 061 integrates well into enclosures and cabinets, giving users the choice of the installation as a contact or convection heater. The heating element is a resistance heater. Best practice for space-saving is the
H
umidity in enclosures caused by temperature fluctuations is a threat
to sensitive electrical and electronic installations. Increasing the temperature in enclosures is the most effective counter-measure. The flat heater CP 061 is one solution,
especially in densely equipped enclosures. A space-saving design was the top priority for Stego’s developers when
attachment to the cabinet or enclosure wall; as it is only 8mm in height, the ultra-flat heater fits in almost any gap. In addition to cabinet walls, the door is also a possible option when a space-saving location is needed. The maximum surface temperature of the heater body reaches 150°C, ensuring effective contact heating. A specially developed mounting system compensates for expansion of the heater body. As a result, the flexible
suspension prevents the heater body from deforming, thus avoiding the cabinet wall from warping. Solid surface contact is required for
effective heating. Operated as a convection heater, the CP 061 warms up ambient air within the installation space. The required space for the placement of the heater is minimal, even in this mode of use. The borehole spacing of the flat
heater has been optimised for enclosure frame profiles with a pitch of 25mm. The CP 061 is ready for connection with a strain relief by default. An integrated safety cut-out provides for protection against overheating in case of a malfunction, safeguarding the device against critical temperatures by switching off when a certain temperature is reached. When cooled down, an automatic
switchback sets the CP 061 operational again. This is a practical feature for continuous operation, which the flat heater CP 061 has been designed for.
Stego
stego.co.uk
14 OCTOBER 2019 | ELECTRICAL ENGINEERING
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