The Schneider Electric LRE14 is a vital component in motor protection, designed to prevent overheating and ensure the smooth operation and longevity of your equipment.
This class 10A differential thermal overload relay is suitable for a wide range of motor applications and offers quick and effective protection.
Key Features:
Motor Protection: The LRE14 safeguards your motors by responding quickly to abnormal conditions, preventing potential damage and costly downtime.
Class 10A: Classified as Class 10A, this relay provides reliable protection for a variety of motor sizes.
Versatile Applications: With a rated current range of 5 to 8 A, it is suitable for a wide range of motor sizes and applications.
Product Specifications:
Rated Current Range: 5 to 8 A
Class: Class 10A
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 |
| Colour | Grey (RAL 7011) |
| Complementary | |
| Product compatibility | LC1E09...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 | 7…10 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 | 20 A gG for power circuit |
| 12 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 |
| Environment | |
| 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 |