Klockner Moeller Electric Parts from KlocknerMoeller.net
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1-877-595-9616
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Contactors and Relays
ZEV electronic motor-protective system |
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| Thermistor Protection |
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| With thermistor motor protection, to DIN 44081 and DIN 44082, up to six PTC thermistor temperature sensors with a thermistor
resistance of RK ≤ 250 Ω or nine with a RK ≤ 100 Ω can be connected to terminals T1-T2 |
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The ZEV switches off at R = 3200 Ω ±15 % and switches on again at R = 1500 Ω +10 %. With switch off due to thermistor
input the contacts 95-96 and 97-98 switch over. Additionally, the thermistor trip can be programmed to different trip messages on contacts
05-06 or 07-08.
With temperature monitoring with thermistors, no dangerous condition can occur should a sensor fail as the device would directly switch off.
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