UP62-70, Solid State Relays Accessories, Thermistors Model UP 62, UP62-70, The thermistor is a thermostat specially designed to protect against heating to small equipment. The thermal response is excellent due to its miniaturized box. Being able to place it near the relay heatsink, it acts as a real thermal switch. Connected in line with the control voltage, the thermistor will disconnect the relay as soon as it reaches the working temperature. The relay will be activated again when the temperature drops (approx. 30°C) below its cut-off value. In the RZ3 relay, the thermistor can be connected to two free terminals (B1/B2) (not connected internally). When inserting the thermistor, the thermal paste must be added (to ensure a rapid thermal response). The heatsink selection boxes (charging current as a function of ambient temperature) for RSO models provide information about the thermistor to be used. , UP62-70, Small Equipment Heating Protection Thermistor
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