Schneider Electric TeSys LRF - electronic thermal overload relay - 380...630 A - class 10
LR9F7381
Rp 16.395.810
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LR9F7381
Schneider Electric TeSys LRF - electronic thermal overload relay - 380...630 A - class 10
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Schneider Electric TeSys LRF - electronic thermal overload relay - 380...630 A - class 10
Rp 16.395.810
Incl. Tax
Incl. Tax
Description
TeSys LR9F electronic overload relay, thermal setting range 380-630A, class 10, for protection of motors 250-355kW@400V. to be mounted directly below a TeSys F 3-pole contactor LC1 F400, F500, F630, F800, use of a support mounting plate LA7F902 is mandatory (to be ordered separately). Motor protection includes thermal overload of 1-phase and 3-phase motors, phase failure, phase unbalance, prolonged starting times, stalled rotor conditions. On the front of the relay, it provides a thermal adjustement dial, buttons for test, stop & reset, a trip indicator, trip auxiliary contacts 1NO+1NC. Multi standards certified (IEC, UL, CSA, CCC, Marine), Green Premium compliant (RoHs/Reach).
Product Details
| Weight (in Kg) | 3.471 |
|---|---|
| Net weight | 4.16 kg |
| Product Or Component Type | electronic thermal overload relay |
| Control Type | dial white full-load current adjustment test button red push-button red reset push-button stop |
| Protective Treatment | TH |
| Reset | manual reset |
| Tripping Threshold | 1.12 +/- 0.06 In tripping conforming to IEC 60947-4-1 |
| Network frequency | 50/60 Hz |
| Temperature Compensation | -20-70 °C |
| Thermal Protection Adjustment Range | 380-630 A |
| [IP] Degree of Protection | IP20 conforming to IEC 60529 |
| 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 1-1 mm² - cable stiffness: solid power circuit: lugs-ring terminals M12 |
| Contacts Type and Composition | 1 NO + 1 NC |
| [Uimp] Rated Impulse Wthstand Voltage | 8 kV conforming to IEC 60947-1 |
| phase_failure_sensitivity | tripping in 4 s +/- 20 % conforming to IEC 60947-4-1 |
| Ambient air temperature for operation | -20-55 °C conforming to IEC 60255-8 |
| Tightening Torque | control circuit: 1.2 N.m on screw clamp terminals power circuit: 58 N.m on screw clamp terminals |
| Standards | VDE 0660 IEC 60255-17 IEC 60255-8 EN 60947-4-1 IEC 60947-4-1 |
| Product Certifications | CSA UL UKCA |
| 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 |
| [Ith] Conventional Free Air Thermal Current | 5 A for control circuit |
| [ui] Rated Insulation Voltage | power circuit: 1000 V AC conforming to IEC 60947-4 |
| Mounting support | direct on contactor plate |
| Fire Resistance | 850 °C conforming to IEC 60695-2-1 |
| Product Compatibility | LC1F800 LC1F400...LC1F630 |
| Local Signalling | trip indicator |
| 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 |
| Relay Application | motor protection |
| Thermal Overload Class | class 10 conforming to IEC 60947-4 |
| Current Consumption | <= 5 mA no-load |
| Dielectric Strength | 6 kV 50 Hz conforming to IEC 255-5 |
| Rated Power In W | 100 VA at 24 V AC 100 W at 24 V DC 100 W at 48 V DC 200 VA at 48 V AC 25 W at 440 V DC 400 VA at 110 V AC 45 W at 220 V DC 50 W at 110 V DC 600 VA at 220 V AC 600 VA at 380 V AC 600 VA at 600 V AC |
| Device short name | LR9F |
| Depth | 127.6 mm |
| Ambient air temperature for storage | -40-85 °C |
| Height | 228.8 mm |
| width | 193 mm |
| Operating altitude | <= 2000 m without derating |
| Compatibility code | LR9F |
| Surge Withstand | 4 kV conforming to IEC 61000-4-5 |
| Network type | AC |
| Maximum Voltage Drop | <2.5 V closed state |
| Switching capacity in mA | 0...150 mA |
| Signalling Function | pre-alarm indicator |
| [Ue] Rated Operational Voltage | 1000 V AC 50/60 Hz for power circuit conforming to VDE 0110 group C |
| Brand | Schneider Electric |
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