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Motor monitoring relays protect the motor from overheating and minimise damage to the connected load. If a motor overheats it can catch fire, this is why it must be monitored and shut down in case of overload.
Fabrikant
Produkt status
Type montage
Bedrijfsspanning max. Min 230 VAC 250 VAC 480 VAC Max 230 VAC 250 VAC 480 VAC
Beschermingswaarde Min IP20 IP40 IP54 Max IP20 IP40 IP54
Contactconfiguratie Min 1CO 2CO Max 1CO 2CO
Bedrijfswaarde van PTC-thermistor Min 3.1 kOhm 3.4 ... 3.8 kOhm 3 kOhm Max 3.1 kOhm 3.4 ... 3.8 kOhm 3 kOhm
Bewakingsfuncties
Frequentiebereik max. Min 60 Hz 65 Hz 100 Hz 200 Hz Max 60 Hz 65 Hz 100 Hz 200 Hz
Frequentiebereik min. Min 2 Hz 10 Hz 45 Hz 50 Hz Max 2 Hz 10 Hz 45 Hz 50 Hz
Koude weerstand max. Min 1.5 kOhm 1.8 kOhm Max 1.5 kOhm 1.8 kOhm
Resetwaarde van PTC-thermistor max. Min 1.65 kOhm 1.8 kOhm 1.98 kOhm Max 1.65 kOhm 1.8 kOhm 1.98 kOhm
Startvertraging Min 10 ms 150 ms 350 ms 30 s 100 s Max 10 ms 150 ms 350 ms 30 s 100 s