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RXE110 PTC Fuses for Speaker Protection


RN3464
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$2.30
RRP: $2.30
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Low cost speaker protection. More specifications ensure accurate choice for better protection. Polyswitch protectors are based on conductive polymers and act like resettable solid state circuit breakers.
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RN3464

Polyswitches will protect against electrical (current) overload and will protect speakers in most situations. They are not foolproof and will not protect against mechanical overload. Select the device based on its trip (power rating in watts). For example, you need to protect a tweeter that will handle 10 watts RMS and its rated at 8 ohms you would select an RXE075 device. If in doubt, be conservative. Some experimentation may be necessary since music signals can vary a great deal. Simply connect in series with the speakers you wish to protect.

How they work
When the operating current of the protector is exceeded the interior of the device partially melts, which suddenly increases the volume which increases the resistance drastically. This in turn reduces the current. The device stays in this state while the current is maintained because its temperature is elevated. Once the current is removed, the device re- establishes itself almost immediately, so that the low resistance value is restored.

Voltage ratings
  • RN3460 and RN3462 - 60 volts; the rest are 50 volts.
  • Part No - RXE075
  • Trip 4- Ohms - 5.1 watts
  • Trip 6- Ohms - 7.7 watts
  • Trip 8- Ohms - 10.2 watts
  • Trip Current - 1.13 amps

Specifications

Packaged Volume : 0l
Packaged Weight : 0kg
Packaged Length : 1.3cm
Packaged Width : 0.1cm
Packaged Height : 2.4cm
Availability : Stocked item

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