Schneider Electric LR9F7379
TeSys LRF - electronic thermal overload relay - 300...500 A - class 10
This Schneider Electric LR9F7379 is supplied brand new by PartLogic for switching, motor protection, starting, control panel builds, machinery maintenance and industrial electrical applications. It forms part of our Industrial automation > Motor control > Electronic overload relays range and is referenced internally as PartLogic SKU PL26805552589.
Before ordering, please confirm the manufacturer part number, product specifications and compatibility with your existing equipment. If you are replacing a failed, obsolete or hard-to-find part, contact PartLogic and we can help check suitability or source related components.
| Range | TeSys |
| Product name | TeSys LRF |
| Device short name | LR9F |
| Product or component type | Electronic thermal overload relay |
| Relay application | Motor protection |
| Product compatibility | LC1F225...LC1F500 |
| Network type | AC |
| Thermal overload class | Class 10 conforming to IEC 60947-4 |
| Thermal protection adjustment range | 300…500 A |
| Network frequency | 50/60 Hz |
| Mounting support | Direct on contactor | Plate |
| Tripping threshold | 1.12 +/- 0.06 In tripping conforming to IEC 60947-4-1 |
| Surge withstand | 4 kV conforming to IEC 61000-4-5 |
| Contacts type and composition | 1 NO + 1 NC |
| [Ith] conventional free air thermal current | 5 A for control circuit |
| [Ue] rated operational voltage | 1000 V AC 50/60 Hz for power circuit conforming to VDE 0110 group C |
| [Ui] rated insulation voltage | Power circuit: 1000 V AC conforming to IEC 60947-4 |
| [Uimp] rated impulse withstand voltage | 8 kV conforming to IEC 60947-1 |
| Phase failure sensitivity | Tripping in 4 s +/- 20 % conforming to IEC 60947-4-1 |
| Reset | Manual reset on front relay |
| Control type | Dial white full-load current adjustment | Test button red | Push-button red reset | Push-button stop |
| Local signalling | Trip indicator |
| Temperature compensation | -20…70 °C |
| Current consumption | <= 5 mA no-load |
| switching capacity for alarm | 0...150 mA |
| Maximum voltage drop | <2.5 V closed state |
| Connections - terminals | Control circuit: screw clamp terminals 1 cable 0.75…2.5 mm² - cable stiffness: flexible - with cable end | Control circuit: screw clamp terminals 1 cable 0.75…2.5 mm² - cable stiffness: solid | Control circuit: screw clamp terminals 1 cable 0.75…4 mm² - cable stiffness: flexible - without cable end | Control circuit: screw clamp terminals 2 cable 1…1.5 mm² - cable stiffness: flexible - with cable end | Control circuit: screw clamp terminals 2 cable 1…2.5 mm² - cable stiffness: flexible - without cable end | Control circuit: screw clamp terminals 2 cable 1 mm² - cable stiffness: solid | Power circuit: lugs-ring terminals M10 |
| Tightening torque | Control circuit: 1.2 N.m on screw clamp terminals | Power circuit: 35 N.m on screw clamp terminals |
| Height | 136.8 mm |
| Width | 150 mm |
| Depth | 127.6 mm |
| Net weight | 2.32 kg |
| Standards | EN 60947-4-1 | VDE 0660 | IEC 60255-17 | IEC 60947-4-1 | IEC 60255-8 |
| Product certifications | CSA | UL | UKCA |
| Protective treatment | TH |
| IP degree of protection | IP20 conforming to IEC 60529 | IP20 conforming to VDE 0106 |
| Ambient air temperature for operation | -20…55 °C conforming to IEC 60255-8 |
| Ambient air temperature for storage | -40…85 °C |
| Operating altitude | <= 2000 m without derating |
| Fire resistance | 850 °C conforming to IEC 60695-2-1 |
| Mechanical robustness | Shocks: 13 Gn for 11 ms conforming to IEC 60068-2-7 | Vibrations 5...300 Hz: 2 GN conforming to IEC 60068-2-6 |
| Dielectric strength | 6 kV 50 Hz conforming to IEC 255-5 |
| Electromagnetic compatibility | Resistance to electrostatic discharge: 6 kV in indirect mode conforming to IEC 61000-4-2 | Resistance to electrostatic discharge: 8 kV in air conforming to IEC 61000-4-2 | Radiated radio-frequency electromagnetic field immunity test: 10 V/m conforming to IEC 61000-4-3 | Fast transients immunity test: 2 kV conforming to IEC 61000-4-4 |
| Unit Type of Package 1 | PCE |
| Number of Units in Package 1 | 1 |
| Package 1 Height | 15.500 cm |
| Package 1 Width | 17.000 cm |
| Package 1 Length | 17.000 cm |
| Package 1 Weight | 1.979 kg |
| Unit Type of Package 2 | P06 |
| Number of Units in Package 2 | 36 |
| Package 2 Height | 75.000 cm |
| Package 2 Width | 60.000 cm |
| Package 2 Length | 80.000 cm |
| Package 2 Weight | 81.244 kg |
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