Schneider Electric LT3S Thermistor Protection Unit 1NO + 1NC, 100 VA, 24 → 230 Vac/dc, TeSys

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Schneider Electric Phase, Temperature, Voltage Monitoring Relay, 3 Phase, DPST, 208 → 480V ac, DIN Rail
RS Stock No.
146-446

Each

MYR1,060.72

RS Stock No.:
261-5711
Mfr. Part No.:
LT3SA00MW
Manufacturer:
Schneider Electric
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Brand

Schneider Electric

Range

TeSys

Series

LT3S

Power Rating

100 VA

Normal State Configuration

NO/NC

Reset Method

Automatic

Terminal Type

Cage Clamp

Number Of Auxiliary Contacts

2

Width

22.5mm

Depth

100mm

Length

100mm

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

+60°C

Operating Temperature Range

-25 → +60 °C

Control Voltage

24 → 230 V ac/dc

Contact Voltage Rating

250 V ac

RoHS Status: Not Applicable

COO (Country of Origin):
FR

Schneider Electric TeSys LT3 -S Thermistor Protection Relays.


From Schneider Electric this is the TeSys LT3-S range of Thermistor protection relays designed as an intelligent relay with built-in machine temperature control providing quick and easy selection. The thermistor protection relays can be used with all motors equipped with thermistor probes allowing you to monitor windings temperature, so you do not exceed the rated operating value. This guards the relay against any faults plus can also monitor the surface temperature.

LT3-S Features.


  • Connection by Cage connectors.

  • LT3-SE – has automatic reset.

  • LT3-SA – has automatic reset plus a voltage fault indicator light.

  • LT3-SM - has automatic reset plus a voltage fault indicator light, device Test and Reset button.

  • Automatic or manual reset.

  • Remote reset.

  • Fault storage with the supply switched off.

  • Fault indication.

  • Test function.

  • Guards against faults (caused by premature ageing).

  • General protection and protection of motors with PTC Probes.

  • Protects resistors, bearings and capacitors.

  • Good in severe environments (frequent starts).

Applications.


Industry, infrastructure, building.

Schneider Electric T3SA00MW LT3SA TeSys LT3 PTC Probe Relay.


Features and Benefits.


  • Automatic reset.

  • Thermistor protection unit.

  • Contacts 2 C/O multi voltage.

  • Rated operational voltage 250 V AC 50/60 Hz for output control relay.

  • Signal function - Fault indication, Voltage indication.

  • Probe interchangeability - Label mark A conforming to IEC 60034-11.

  • Power consumption (hold in) – 1 W, 2.5 VA.

  • Number of probes 0 .. 6.

  • Input voltage - < 2.5 V (1500 Ohm) for probe, < 7.5 V (4000 Ohm) for probe conforming to IEC 60034-11.

  • Terminal connections – Power circuit – Cage type.

  • Height 100 mm.

  • Width 22.5 mm.

  • Depth 100 mm.

  • Net weight 0.22 kg.

Standards

IEC 60947-8 IEC 60034-11 VDE 0660.
IP20 conforming to IEC 60529 IP20 conforming to VDE 0106.
Vibrations resistance - 1 gn 25...150 Hz conforming to IEC 60068-2-6, 2.5 gn 2...25 Hz conforming to IEC 60068-2-6.
Shock resistance - 5 gn 11 ms conforming to IEC 60068-2-27.
Resistance to electrostatic discharge level 3 conforming to IEC 61000-4-2.
Resistance to fast transient level 3 conforming to IEC 61000-4-4.
Surge resistance 1.2/50-8/20 level 4 conforming to IEC 61000-4-5.
Susceptibility to electromagnetic fields level 3 conforming to IEC 61000-4-3.
Immunity to microbreaks and voltage drops conforming to IEC 61000-4-11.
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