SCHNEIDER ELECTRIC Thermistor Protection Units, Tesys LT3, 250VAC 50/60Hz, 115/230VAC 50/60Hz, 1NO+1NC, Automatic Reset LT3SA00M

• TeSys LT3 thermistor protection unit for use with PTC probes, with automatic reset and fault indicator on front, dual voltage supply 115 or 230V AC 50/60Hz. To be used with a combination of PTC probes impedance lower than 1500 Ohm at 25°C, the trip impedance zone is 2700-3100 Ohm, the automatic reset impedance zone is 1500-1650 Ohm. It provides 2 auxiliary contacts 1NO+1NC for fault signaling. DIN rail mounting, connections by cage terminals. PTC thermistor probes DA1TT, DA1TS available (to be ordered separately). Multi-standards certified (IEC, UL, CSA), Green Premium compliant (RoHs/Reach). PTC thermistor probes DA1TT, DA1TS available (to be ordered separately).

Specifications :

• Control circuit voltage limits ;0.85...1.1 Uc
• Contacts type and composition: 1 NC + 1 NO dual voltage
• [Ith] conventional free air thermal current :5 A for output control relay
• [Ui] rated insulation voltage: Output control relay: 500 V AC
• [Ue] rated operational voltage :250 V AC 50/60 Hz for output control relay
• Signalling function: Fault indication Voltage indication
• Control type: Automatic reset
• Probe interchangeability :Label mark A conforming to IEC 60034-11
• Hold-in power consumption in W: 1 W
• Hold-in power consumption in VA: 2.5 VA