| 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 | 200…330 A |
| network frequency | 50/60 Hz |
|---|---|
| supply voltage limits | 17…32 V |
| 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 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 | VDE 0660 IEC 60947-4-1 EN 60947-4-1 IEC 60255-17 IEC 60255-8 |
|---|---|
| product certifications | UL CSA |
| 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 |
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