Schneider Electric TeSys K - differential thermal overload relays -2.6...3.7 A - class 10A
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Schneider Electric TeSys K - differential thermal overload relays -2.6...3.7 A - class 10A
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Description
TeSys LRK thermal overload relay, 3.7A/690V, thermal setting range 2.6-3.7A, tripping class 10A, for protection of 3-phase motors 1.1-1.5kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector, a test slide switch for simulation of a tripping, reset/stop button, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by screw clamp terminals, it connects directly to the bottom terminals of 3-pole contactors LC1K06-K16. Mounting on DIN rail, separated from the contactor, with use of a terminal block LA7K0064 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC), Green Premium compliant (RoHs/Reach).
Product Details
| Weight (in Kg) | 0.1584 |
|---|---|
| Net weight | 0.145 kg |
| Product Or Component Type | differential thermal overload relay |
| Control Type | red push-button: trip test function blue push-button: stop and manual reset selector switch: manual or automatic reset |
| Protective Treatment | TC conforming to IEC 60068 TC conforming to DIN 50016 |
| Network frequency | <= 400 Hz |
| Auxiliary Contact Composition | 1 NO + 1 NC |
| Thermal Protection Adjustment Range | 2.6-3.7 A |
| [IP] Degree of Protection | IP2x conforming to IEC 60529 |
| Connections Terminals | screw clamp terminals 1 cable(s) 1.5-4 mm²solid screw clamp terminals 2 cable(s) 1.5-4 mm²solid screw clamp terminals 1 cable(s) 0.75-4 mm²flexible without cable end screw clamp terminals 2 cable(s) 0.75-4 mm²flexible without cable end screw clamp terminals 1 cable(s) 0.34-2.5 mm²flexible with cable end screw clamp terminals 2 cable(s) 0.34-1.5 mm²flexible with cable end |
| [Uimp] Rated Impulse Wthstand Voltage | 6 kV |
| phase_failure_sensitivity | yes conforming to IEC 60947-4-1 |
| Ambient air temperature for operation | -20-55 °C without derating conforming to IEC 60947 -30-60 °C with derating conforming to IEC 60947 |
| Range of Product | TeSys K thermal overload relays |
| Tightening Torque | 1.3 N.m - on screw clamp terminals - with screwdriver Philips No 2 1.3 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm 1.3 N.m - on screw clamp terminals - with screwdriver pozidriv No 2 |
| Standards | IEC 60947 VDE 0660 BS 4941 NF C 63-650 |
| Product Certifications | UL CSA UKCA |
| Mechanical Robustness | shocks NO contact: 10 Gn for 11 ms conforming to IEC 60068-2-27 shocks NC contact: 10 Gn for 11 ms conforming to IEC 60068-2-27 vibrations NO contact: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6 vibrations NC contact: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6 |
| [Ith] Conventional Free Air Thermal Current | 6 A for signalling circuit |
| [ui] Rated Insulation Voltage | power circuit: 690 V conforming to BS 4941 power circuit: 690 V conforming to IEC 60947 power circuit: 750 V conforming to VDE 0110 group C power circuit: 600 V conforming to CSA C22.2 No 14 |
| Associated Fuse Rating | 6 A gG for signalling circuit conforming to VDE 0660 6 A gG for signalling circuit conforming to IEC 60947 |
| Mounting support | under contactor plate, with specific accessories rail, with specific accessories |
| Fire Resistance | 850 °C conforming to IEC 60695-2-1 |
| Power Dissipation Per Pole | 2 W |
| Flame Retardance | V1 conforming to UL 94 requirement 2 conforming to NF F 16-101 requirement 2 conforming to NF F 16-102 |
| Product Compatibility | LC7K LP1K LP4K LC1K |
| Local Signalling | trip indicator (yellow) |
| Relay Application | motor protection |
| Thermal Overload Class | class 10A conforming to IEC 60947-4-1 |
| Device short name | LR2K |
| Depth | 65 mm |
| Ambient air temperature for storage | -40-70 °C |
| Height | 58 mm |
| width | 45 mm |
| Operating altitude | 2000 m without derating |
| Compatibility code | LR2K |
| Network type | DC AC |
| [Ue] Rated Operational Voltage | <= 690 V for power circuit 690 V AC AC-15 for signalling circuit 250 V DC DC-13 for signalling circuit |
| Brand | Schneider Electric |