0ZRM0135FF1A

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PTC Resettable Fuses are increasingly being used in various industries to prevent power failures due to high inrush currents and over-temperature situations. The 0ZRM0135FF1A model is a 6 amp 125volt fan motor protector. It is designed to protect motor windings from overheating due to single phase motor overloads, typically in commercial, HVAC and refrigeration fan motors and blowers.

The 0ZRM0135FF1A model features arc dampening technology which helps in the faster response time. It is also RoHS compliant and UL recognized to UL 248-14. It has a compact design with an overall length of 15.5mm and a diameter of 7.7mm making it easy to install in tight spots. The body is made of a flame retardant UL 94V-0 rated plastic and is also rust and moisture-proof. It features a transparent window that allows for visual inspection of the operating status.

The working principle of the 0ZRM0135FF1A model is relatively simple yet highly effective in protecting motor windings from high inrush currents and over-temperature situations. It features a bi-metallic element surrounded by a pair of electrical contacts. When the current flowing through the element exceeds the current rating of the fuse, a small amount of heat is generated due to the resistance of the element. This results in the bi-metallic element expanding, thus allowing the contacts to open and break the circuit. This then prevents any further current from flowing through the motor.

Once the current has been interrupted, the bi-metallic element will cool down and return to its original state allowing the contacts to close and re-establish the circuit. This allows the motor to start up again without causing any further damage or overheating. The PTC Resettable Fuse also provides a high degree of protection against short circuits and provides a higher current rating than many traditional fuses.

In conclusion, the 0ZRM0135FF1A model from PTC Resettable Fuses is designed to provide reliable and effective protection to motor windings from potential danger due to high inrush currents and overheating. It features an easy-to-install design with a transparent window for visual inspection and features an arc dampening technology for faster response times. It is RoHS compliant, UL recognized and offers a higher current rating than many traditional fuses.

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