How to Extend the Service Life of 72V Low Voltage Cartridge Heater

A lot of people say that the 72V low voltage cartridge heater they use doesn't last as long as they thought it would, and some even break after a few months of use. The cartridge heater's service life is not only affected by the quality of the product, but also by how it is used and how well it is cared for. If you use a qualified 72V low voltage cartridge heater correctly and keep it up, it can last 1000 to 2000 hours. However, if you don't use it correctly, it will last much less time. Today, we'll talk about several useful ways to make the 72V low voltage cartridge heater last longer, which will help consumers save money on their heating bills.

Avoiding dry burning is the first and most crucial thing to do. The cartridge heater is mostly damaged by dry burning. The 72V low voltage cartridge heater uses the heated medium to get rid of heat. If it is powered on without touching the medium, the heater's surface temperature will rise quickly, which will melt the internal resistance wire, damage the insulation layer, and even cause the heater to burn out. So, before turning on the cartridge heater, you need to make sure that it is completely submerged in the liquid medium or tightly linked to the solid medium that has to be heated. If you want to heat liquids, you should install a liquid level sensor. If the liquid level drops below the set point, the power supply will automatically turn off to prevent dry burning.


The second way is to keep the working temperature within the range that is rated. The standard temperature for a 72V low voltage cartridge heater is 100℃ to 300℃. If the operating temperature stays over the specified range for too long, the internal insulation material will age quickly, and the resistance wire will oxidize and break, which will limit the life of the device. When you use the cartridge heater, you really do need to set up a temperature control system, like a temperature sensor and a thermostat, to keep an eye on the working temperature and change the current as needed. The thermostat will automatically turn off the power to the heater when the temperature goes above the rated value. Also, don't turn the heater on and off too often, since this will generate a sudden current impact and harm the parts within.

The third way is to keep things clean and well-maintained on a regular basis. When you use the 72V low voltage cartridge heater, dirt, scale, or other contaminants will build up on the surface. This will make it less efficient at conducting heat and cause the heater to go too hot in certain spots. So, you should clean the heater's surface on a regular basis. After a power outage and cooling down, you may clean the heater that uses liquid medium with a soft brush and a descaling solution to get rid of the scale on the surface. You can also clean the heater that uses solid medium using compressed air to get rid of the impurities that are stuck to it. It is also important to examine the wiring terminal on a regular basis. If there is rust or looseness, it should be cleaned or tightened right once to minimize bad contact and heat buildup.

Another key thing to do is get the right cartridge heater for the job. The cartridge heater's lifespan is greatly affected by the place where it is used. For instance, if the environment is humid, you need to choose a cartridge heater with good sealing to keep moisture from getting inside. If the environment is corrosive, you need to choose a cartridge heater with a shell material that won't rust. Also, the cartridge heater should be installed securely so that it doesn't shake while it's in use. Vibration will make the internal resistance wire break and fall off, and it will also make the insulation layer fall off. Adding a shockproof mat at the installation site can help lessen the heater's vibration, based on what we've seen.

In short, the 72V low voltage cartridge heater will last longer if you avoid dry burning, keep the working temperature under control, clean and maintain it regularly, and choose the right product for the location. The cartridge heater is a delicate part, and proper use and care can help it last longer and need to be replaced less often. Different working situations call for different ways to use and care for the cartridge heater. To make a scientific maintenance plan, make sure the cartridge heater runs well for a long time, and lower expenses, you need professional help.