Telemecanique Thermal Relay TeSys LRD 48-65A LRD365
SNR LRD365
3389119215510
Schneider Telemecanique thermal overload relay, with the following characteristics:
- Rated operating voltage [Ue]: 690 V "AC" 0...400 Hz for Power circuit complying with IEC 60947-4-1
- Relay application: motor protection
- Mains type: DC - "AC"
- Thermal overload trip class: class 10A complying with IEC 60947-4-1
- Thermal protection control range: 48...65 A
- Mains frequency: 0...400 Hz
- Trip threshold: 1.14 +/-0.06 Ir complying with IEC 60947-4-1
- Auxiliary contact composition: 1 NO + 1 NC
- Conventional thermal current in air [Ith]: 5A per signaling circuit
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LRD365 is a TeSys LRD thermal overload relay from Schneider Electric for direct mounting on TeSys D contactors.
With a thermal control range of 48-65 A, trip class 10 and phase imbalance detection, it protects 30 kW motors at 400V. It consists of manual test & reset buttons, automatic reset, auxiliary trip contact and mechanical indicator. Available worldwide, it is certified to various standards (IEC, UL, CSA, CCC, EAC, for use in marine environments) and is Green Premium (RoHS/REACH) compliant.
Advantages:
- Thermal protection relay, bimetallic type, with phase imbalance (differential) protection
- Direct mounting on the lower terminals of a TeSys LC1D50A and D65A contactor to form a compact starter
- Lightweight and compact, 55 mm wide
- Temperature compensation for good protection accuracy
- Manual control with test & reset buttons, manual/automatic reset switch
- Environmentally friendly product performance
Other features:
- Associated fuse rating: 4 A gG for signaling circuit - 4 A BS for signaling circuit
- Rated impulse withstand voltage [Uimp]: 6 kV
- Phase-loss sensitivity: Trip current 130 % of Ir on two phases, the last one at 0
- Control type: red button: stop, blue button: reset
- Temperature compensation: -20 to 60 °C
- Climatic sealing: complies with IACS E10
- Degree of protection IP20 complying with IEC 60529
- Ambient operating temperature: -20...60 °C without derating complies with IEC 60947-4-1
- Storage temperature: -60/+70 °C
- Fire resistance: V1 in accordance with UL 94
Rated insulation voltage [Ui]:
- Power circuit: 600 V complying with CSA
- Power circuit: 600 V complying with UL
- Power circuit: 690 V complying with IEC 60947-4-1
Mounting bracket:
- Plate, with specific accessories
- Rail, with specific accessories
- Under contactor
Allowable current:
- 0.95 A at 380 V AC-15 for signaling circuit
- 0.06 A at 440 V DC-13 for signaling circuit
Connections-clamps:
- Control circuit: screw clamp terminals 2 cables 1...2.5 mm² flexible without cable termination
- Control circuit: screw clamp terminals 2 cables 1...2.5 mm² flexible with cable termination
- Control circuit: screw clamp terminals 2 cables 1...2.5 mm² solid without cable termination
- Power circuit: EverLink connectors for BTR screws 1 cable 1...35 mm² flexible without cable termination
- Power circuit: EverLink connectors for BTR screws 1 cables 1...35 mm² flexible with cable termination
- Power circuit: EverLink connectors for BTR 1 screws cables 1...35 mm² solid without cable termination
Tightening torque:
- Control circuit: 1.7 Nm - on screw clamps
- Power circuit: 5 Nm - on EverLink connectors for BTR screws
Mechanical robustness:
- Shock: 15 Gn for 11 ms complying with IEC 60068-2-7
- Vibration: 4 Gn complying with IEC 60068-2-6
Dielectric strength:
- 1.89 kV at "50 Hz" complies with IEC 60947-1
Dimensions and weight:
- Height 70 mm
- Width 55 mm
- Depth 123 mm
- Weight 0.375 kg
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Data sheet
- Type: Protection relay
