Description

Schneider LRE484 | EasyPact TVS differential thermal overload relay 146…234 A – class 10A

Technical Specifications

  • Brand: Schneider Electric

  • Series: EasyPact TVS

  • Model: LRE484

  • Type: Differential Thermal Overload Relay

  • Adjustable Current Range: 146 to 234 A

  • Tripping Class: 10A (Fast Motor Protection)

  • Phase Imbalance Detection: Yes

  • Reset Mode: Manual and Automatic Reset

  • Mounting Type: Direct mounting on EasyPact TVS contactors

  • Connection Type: Screw clamp terminals

  • Operating Temperature: -20°C to +60°C

  • Compliance Standards: IEC 60947-4-1, IEC 60947-5-1

Key Features

  • Reliable Overload Protection: Prevents motor overheating and damage due to excessive current.

  • Adjustable Current Settings: Allows fine-tuning between 146 A and 234 A for precise motor protection.

  • Quick Tripping (Class 10A): Ensures rapid response to overload conditions, minimizing downtime.

  • Auto/Manual Reset Options: Provides flexibility in reset operations, improving system reliability.

  • Compact and Space-Saving Design: Directly mounts onto EasyPact TVS contactors, making installation easy.

  • Phase Failure Protection: Trips the circuit in case of phase loss, preventing motor burnouts.

  • Durable and Robust Construction: Designed for harsh industrial environments with high electrical endurance.

Applications

  • Industrial Motor Protection: Ideal for large three-phase motors in manufacturing plants.

  • Pumps and Compressors: Ensures safe operation by preventing overheating and overload damage.

  • HVAC Systems: Protects large ventilation, cooling, and air-handling units.

  • Material Handling & Conveyors: Prevents motor failure in heavy-duty automated systems.

  • Mining and Heavy Industries: Provides robust motor protection in extreme operating conditions.

Additional information

brands

Schneider Electric

Specifications

Main
Range Easy TeSys
Range of product Easy TeSys Protect
Product or component type Differential thermal overload relay
Device short name LRE
relay application Motor protection
Phase failure sensitivity Tripping current 130 % of Ir on two phase, the last one at 0 conforming to IEC 60947-4-1
Complementary
Product compatibility LC1E200...630
Network type AC
Network frequency 50...60 Hz
Mounting support Under contactor Plate
Thermal overload class Class 10A conforming to IEC 60947-4-1
Signalling function Relay trip indicator
Thermal protection adjustment range 146…234 A
Tripping threshold 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Mechanical robustness Shocks: 6 Gn for 11 ms conforming to IEC 60068-2-7 Vibrations: 3 GN conforming to IEC 60068-2-6
Auxiliary contact composition 1 NO + 1 NC
[Ith] conventional free air thermal current 5 A for signalling circuit
[Ue] rated operational voltage <= 690 V AC
Associated fuse rating 315 A gG for power circuit 250 A aM for power circuit 5 A gG for signalling circuit
[Ui] rated insulation voltage 690 V conforming to IEC 60947-4-1
[Uimp] rated impulse withstand voltage 6 kV
Local signalling Trip indicator
Control type Push-button red stop: Push-button green reset:
Temperature compensation -20…60 °C
Connection pitch 48 mm
Connections - terminals Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible without cable end Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: flexible with cable end Signalling circuit: screw clamp terminals 2 1…2.5 mm² - cable stiffness: solid without cable end Power circuit: lugs Power circuit: bars - busbar cross section: 3 x 25 mm
Recommended tightening torque Power circuit: 35 N.m - on bars M10 Power circuit: 35 N.m - on lugs M10 Signalling circuit: 1.7 N.m - on screw clamp terminals
Height 134 mm
Width 180 mm
Depth 134 mm
Net weight 2.2 kg
Environment
Standards IEC 60947-4-1 IEC 60947-5-1
Product certifications EAC
Protective treatment TH conforming to IEC 60068
IP degree of protection IP00 conforming to IEC 60529
Ambient air temperature for operation -20…60 °C without derating conforming to IEC 60947-4-1 -20…70 °C with derating
Ambient air temperature for storage -60…80 °C
Fire resistance 850 °C conforming to IEC 60068-2-1
Dielectric strength 6 kV at 50 Hz conforming to IEC 60255-5
Electromagnetic compatibility Surge withstand: 6 kV conforming to IEC 60801-5
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 16.500 cm
Package 1 Width 18.000 cm
Package 1 Length 27.500 cm
Package 1 Weight 2.909 kg
Unit Type of Package 2 S03
Number of Units in Package 2 2
Package 2 Height 30.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 6.311 kg
Contractual warranty
Warranty 18 months

Main Document

Main Document

Data Sheet : Download

Main Document

Data Sheet : Download

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