Tech Talk

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THE VALUE OF A BRANCH FUSING ENCLOSURE
THE BENEFITS OF 
BRANCH FUSING ENCLOSURES
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RHL Associates, LLC is your authorized Process Technology distributor
Watch the video on
Branch Fusing Circuitry 
Enclosures by Protection Process Technology
Watch the video about
Branch Fusing  
Circuitry Enclosure Protection 
by Process Technology
Watch the video on
Branch Fusing Circuitry 
Enclosures by Protection Process Technology
LEARN ABOUT

>  PURPOSE

>  SPECIFICATIONS

>  MODELS

>  SIZING EXAMPLES
Do you have an electric immersion heater that keeps tripping its thermal protector? 

Here are some things that you can check to solve your problem!

Buildup on heater sheath. 
Any deposit on the heater sheath will act as a thermal insulator and cause localized overheating. Inspect and clean heaters frequently. Check application, as de-rated heaters may be required in most solutions that buildup quickly. Replace protectors or recommend heater replacement as required. De-rate heaters to reduce the surface temperature. Consult installation sheets for details.

Watt density too high. Unusually heavy, viscous or poorly conductive fluids reduce heat transfer around the element, causing localized overheating. Check solution concentration or viscosity (may need chemical supplier’s MSDS sheets to verify). May be able to use higher temperature protectors or de-rate heaters to reduce opening. Replace protectors or recommend heater replacement as required. Consult installation sheets for details.

Protectors electrically overloaded. Excessive current flow through the thermal protectors will cause resistance heating through protector and a de-ration of the thermal set point. Rewire heater using a contactor or relay to energize the heater and wire protector in series with contactor coil/thermostat circuit. Higher temperature thermal protectors may be considered in some applications. Consult factory and installation sheets for details.
Watch the video on
Branch Fusing Circuitry Enclosure Protection 
by Process Technology
LEARN ABOUT

>  PURPOSE

>  SPECIFICATIONS

>  MODELS

>  SIZING EXAMPLES
For more information 
on branch fusing enclosures! 
Benefits of branch fusing