Schneider LRE21 | Thermal overload relay,EasyPact TVS,12…18A,class 10A
Description
Schneider LRE21 | Thermal overload relay,EasyPact TVS,12…18A,class 10A
Schneider LRE21 | Thermal Overload Relay
The Schneider LRE21 is a thermal overload relay from the EasyPact TVS series, designed to provide efficient motor protection against overloads and phase failures. It is an ideal solution for safeguarding motors in industrial and commercial applications.
1. General Specifications
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Product Name: Schneider LRE21
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Series: EasyPact TVS
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Type: Thermal Overload Relay
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Current Range: 12A to 18A
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Trip Class: Class 10A
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Mounting: Direct mounting on EasyPact TVS contactors
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Reset Mode: Manual or Automatic
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Phase Failure Protection: Yes
2. Key Features
Reliable Motor Protection – Prevents damage from overloads and phase imbalances.
Adjustable Current Setting – Covers a range of 12A to 18A for flexibility.
Direct Mounting on Contactors – Seamless integration with EasyPact TVS contactors.
Automatic & Manual Reset Options – Enables operational flexibility.
Compact & Durable Design – Suitable for harsh industrial environments.
3. Applications
🔹 Pumps
🔹 Fans & Blowers
🔹 Conveyors
🔹 Machine Tools
🔹 Compressors
4. Protection & Safety Features
Overload Protection – Prevents excessive motor heating.
Phase Failure Detection – Protects against motor damage.
Trip Indication – Facilitates quick troubleshooting.
5. Installation & Maintenance
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Quick & Easy Installation with direct mounting on compatible contactors.
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Minimal Maintenance thanks to its robust and reliable design.
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Simple Adjustment Dial for setting the appropriate current range.
Additional information
| brands | Schneider Electric |
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Specifications
| 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 |
| Colour | Grey (RAL 7011) |
| Product compatibility | LC1E18...38 |
|---|---|
| Network type | AC |
| Network frequency | 50...60 Hz |
| Mounting support | Under contactor Plate, with specific accessories Rail, with specific accessories |
| Thermal overload class | Class 10A conforming to IEC 60947-4-1 |
| Signalling function | Relay trip indicator |
| Thermal protection adjustment range | 12…18 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 | 35 A gG for power circuit 20 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 |
| Connections - terminals | Power circuit: screw clamp terminals 1 1.5…6 mm² - cable stiffness: flexible without cable end Power circuit: screw clamp terminals 1 1…4 mm² - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 1 1…6 mm² - cable stiffness: solid without cable end 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 |
| Recommended tightening torque | Power circuit: 1.7 N.m - on screw clamp terminals Signalling circuit: 1.7 N.m - on screw clamp terminals |
| Height | 44.5 mm |
| Width | 45 mm |
| Depth | 70 mm |
| Net weight | 0.13 kg |
| Standards | IEC 60947-4-1 IEC 60947-5-1 |
|---|---|
| Product certifications | EAC |
| Protective treatment | TH conforming to IEC 60068 |
| IP degree of protection | IP20 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 |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 5.200 cm |
| Package 1 Width | 8.000 cm |
| Package 1 Length | 8.300 cm |
| Package 1 Weight | 149.000 g |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 33 |
| Package 2 Height | 15.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 5.290 kg |
| Warranty | 18 months |
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