PTC probe relay TeSys - LT3 with automatic reset - 230 V - 1 NC
LT3SE00M
Description
TeSys LT3 thermistor protection unit for use with PTC probes, with automatic reset, single voltage supply 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 1 auxiliary contact 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).
Product Details
| [uc] Control Circuit Voltage | 230 V AC 50/60 Hz |
|---|---|
| [ue] Rated Operational Voltage | 250 V AC 50/60 Hz for output control relay |
| [ui] Rated Insulation Voltage | output control relay: 500 V AC |
| [uimp] Rated Impulse Withstand Voltage | 2.5 kV |
| Ambient Air Temperature for Operation | -25-60 °C |
| Ambient Air Temperature for Storage | -40-85 °C conforming to IEC 60068-2-1 |
| Breaking Capacity | 2 A at 24 V DC DC-13 |
| Compatibility Code | LT3SE |
| Condition of Use | connection of probes 400 m >1 mm² |
| Contacts Type and Composition | 1 NC single voltage |
| Control Type | automatic reset |
| Depth | 100 mm |
| Device Short Name | LT3SE |
| Electromagnetic Compatibility | resistance to electrostatic discharge level 3 conforming to IEC 61000-4-2 |
| Height | 100 mm |
| Input Voltage | < 2.5 V (1500 Ohm) for probe |
| Ip Degree of Protection | IP20 conforming to IEC 60529 |
| Net Weight | 0.22 kg |
| Product or Component Type | thermistor protection units |
| Range of Product | LT3 |
| Standards | IEC 60947-8 |
| Tightening Torque | 0.8 N.m |
| Width | 22.5 mm |
| Connections - Terminals | power circuit: cage type connector 1 cable(s) 0.75-2.5 mm²flexible with cable end |
| [ith] Conventional Free Air Thermal Current | 5 A for output control relay |
| Control Circuit Voltage Limits | 0.85...1.1 Uc |
| Hold-in Power Consumption in Va | 2.5-2.5 VA |
| Hold-in Power Consumption in w | 1-1 W |
| Maximum Short Circuit Detection Resistance | 20 Ohm |
| Number of Probes | 0-6 |
| Operating Altitude | <= 1500 m without derating in temperature |
| Probe Interchangeability | label mark A conforming to IEC 60034-11 |
| Rated Power in Va | 100 VA at 220 V - electrical durability: 500000 cycles |
| Reset | automatic reset |
| Resistance | 1500-1650 Ohm reset |
| Shock Resistance | 5 gn 11 ms conforming to IEC 60068-2-27 |
| Signalling Function | without |
| Vibration Resistance | 1 gn 25...150 Hz conforming to IEC 60068-2-6 |
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