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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.
Manufacturer
Product Status
Contact Configuration
Monitoring Functions
Mounting Type
Operating Voltage Max. Min 24 VAC/DC 48 VAC/DC 230 VAC 240 V 250 VAC 480 VAC Max 24 VAC/DC 48 VAC/DC 230 VAC 240 V 250 VAC 480 VAC
Protection Rating
Start Delay Min 10 ms 150 ms 350 ms 30 s 100 s Max 10 ms 150 ms 350 ms 30 s 100 s
Frequency Range Max. Min 60 Hz 65 Hz 100 Hz 200 Hz Max 60 Hz 65 Hz 100 Hz 200 Hz
Frequency Range Min. Min 2 Hz 10 Hz 45 Hz 50 Hz Max 2 Hz 10 Hz 45 Hz 50 Hz
Operating Value of PTC Thermistor
Reset Value of PTC Thermistor Max. Min 1.65 kOhm 1.8 kOhm 1.98 kOhm Max 1.65 kOhm 1.8 kOhm 1.98 kOhm
Cold Resistance Max. Min 1.5 kOhm 1.8 kOhm Max 1.5 kOhm 1.8 kOhm
Cos Phi Measuring Range
Current Measuring Range
Operating Voltage Min. Min 24 V 380 VAC Max 24 V 380 VAC
Tripping Delay Min 500 ms 40 s Max 500 ms 40 s