TeSys LRD thermal overload relays - 63...80 A - class 10A
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TeSys LRD thermal overload relays - 63...80 A - class 10A
Description
TeSys LRD thermal overload relay, 80A/1000V, thermal setting range 63-80A, tripping class 10A, for protection of 3-phase motors 37kW@400V. Non differential device, it can be used with unbalanced loads. It provides a thermal adjustement dial, a manual-automatic reset selector acting also as reset button, a trip test button for simulation of a tripping, a 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 LC1D80-D95. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LA7D3064 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).
Product Details
| [ue] Rated Operational Voltage | 1000 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1 |
|---|---|
| [ui] Rated Insulation Voltage | power circuit: 1000 V conforming to IEC 60947-4-1 |
| [uimp] Rated Impulse Withstand Voltage | 6 kV conforming to IEC 60947-1 |
| Ambient Air Temperature for Operation | -20-60 °C without derating conforming to IEC 60947-4-1 |
| Ambient Air Temperature for Storage | -60-70 °C |
| Climatic Withstand | conforming to IACS E10 |
| Compatibility Code | LR3D |
| Control Type | red push-button: stop |
| Depth | 115 mm |
| Device Short Name | LR3D |
| Dielectric Strength | 2.2 kV at 50 Hz conforming to IEC 60947-1 |
| Flame Retardance | V1 conforming to UL 94 |
| Height | 8.5 cm |
| Ip Degree of Protection | IP20 conforming to IEC 60529 |
| Mechanical Robustness | vibrations: 6 Gn conforming to IEC 60068-2-6 |
| Mounting Support | plate, with specific accessories |
| Net Weight | 0.51 kg |
| Network Frequency | 0...400 Hz |
| Network Type | DC|AC |
| Product Certifications | IEC |
| Product Compatibility | LC1D80 |
| Product Name | TeSys LRD |
| Product or Component Type | non differential thermal overload relay |
| Range | TeSys |
| Standards | EN/IEC 60947-4-1 |
| Tightening Torque | control circuit: 1.7 N.m - on screw clamp terminals |
| Width | 7.5 cm |
| Connections - Terminals | power circuit: screw clamp terminals 1 cable(s) 4-35 mm² flexible without cable end |
| [ith] Conventional Free Air Thermal Current | 5 A for signalling circuit |
| Associated Fuse Rating | 4 A gG for signalling circuit |
| Auxiliary Contact Composition | 1 NO + 1 NC |
| Permissible Current | 0.72 A at 500 V AC-15 for signalling circuit |
| Phase Failure Sensitivity | tripping current 130 % of Ir on two phase, the last one at 0 |
| Relay Application | motor protection |
| Temperature Compensation | -20-60 °C |
| Thermal Overload Class | class 10A conforming to IEC 60947-4-1 , class 10A conforming to IEC 60947-4-1 |
| Thermal Protection Adjustment Range | 63-80 A |
| Tripping Threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
| Range | TeSys |
| Product Compatibility | LC1D80|LC1D95 |
| [ui] Rated Insulation Voltage | power circuit: 1000 V conforming to IEC 60947-4-1 , power circuit: 1000 V conforming to IEC 60947-4-1 , power circuit: 1000 V conforming to IEC 60947-4-1 , power circuit: 600 V conforming to CSA , power circuit: 600 V conforming to CSA , power circuit: 600 V conforming to CSA , power circuit: 600 V conforming to UL , power circuit: 600 V conforming to UL , power circuit: 600 V conforming to UL |
| Length | 12.0 cm |
| Activity code | PPCTR |