MF-RX014/250-0

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PTC Resettable Fusesis a type of polymeric positive temperature coefficient (PPTC) devices, also known as polymeric positive temperature coefficient resettable fuses, polyswitch, polyfuse, multiswitch, etc. It is a kind of circuit protection device with both fuse and electric behavior. It is designed to protect electrical circuits from overcurrent and overvoltage situations. Popularly known as “self-healing fuses”, they have been in production since the early 2000s, and are now widely used throughout the world.

The MF-RX014/250-0 is an example of a PTC Resettable Fuse. It is a one-piece, ready-to-install device that features a metal or plastic housing, fused contacts, and a snap-action mechanism. The device consists of two integrated parts: a spark gap and a resistor. The spark gap is used to detect sudden surges in current. If the current reaches a certain threshold, the resistor will heat up and cut off the flow of current, thus protecting the circuit. When the current falls back to its normal level, the spark gap will reset, allowing the circuit to resume operation.

The MF-RX014/250-0 is commonly used in systems requiring protection from overpowering, short-circuit transients, and other overloads. It can be used in a variety of applications, such as power supplies, automotive electronics, home appliances, and consumer electronics. It is rated for a maximum current of 250A and a maximum voltage of 32V. It has a maxium operation time of 0.5 seconds and a maximum heat dissipation of 8.7 watts.

The main advantage of the MF-RX014/250-0 is its resetablility. Unlike other types of fuses, which must be replaced after they trip, the MF-RX014/250-0 can be reset simply by flipping the switch. This reduces the need for frequent service and maintenance, which can be especially useful in applications where downtime is a major factor. Additionally, the use of a PTC Resettable Fuse eliminates the need for replaceable fuses, such as ceramic or glass types. This makes it a more cost-efficient solution in many cases.

The MF-RX014/250-0 is also designed to be user-friendly. It has an easy-to-read LED indicator that visually displays the status of the fuse: green for normal operation, red for overload, and orange for overvoltage. This allows operators to quickly identify the root cause of the problem and take action accordingly. Additionally, the unit features an external test button that allows users to easily verify the device\'s operation and diagnostics.

In addition to the features mentioned above, the MF-RX014/250-0 also offers a number of other benefits. It is designed to operate in a wide range of temperatures, from -40°C to +105°C. It is RoHS compliant and UL-recognized, making it suitable for use in North American markets. Finally, the unit is slim and light, making it easy to integrate into a variety of system designs.

Overall, the MF-RX014/250-0 is an effective and cost-efficient solution for protecting applications from overloads and short-circuit transients. Its resetablility eliminates the need for frequently replacing fuses, while its user-friendly design allows operators to easily diagnose and solve issues. Additionally, its slim and light form factor make it easy to integrate into any system.

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