TeSys LRD thermal overload relays - 1...1.6 A - class 10A
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TeSys LRD thermal overload relays - 1...1.6 A - class 10A
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Description
TeSys LRD thermal overload relay, 1.6A/690V, thermal setting range 1-1.6A, tripping class 10A, for protection of 3-phase motors 0.55kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, 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 LC1D09-D38. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD7B106 (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 | 690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1 |
|---|---|
| [ui] Rated Insulation Voltage | power circuit: 600 V conforming to CSA |
| [uimp] Rated Impulse Withstand Voltage | 6 kV |
| 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 | LRD |
| Control Type | red push-button: stop |
| Depth | 70 mm |
| Device Short Name | LRD |
| Dielectric Strength | 1.89 kV at 50 Hz conforming to IEC 60947-1 |
| Flame Retardance | V1 conforming to UL 94 |
| Height | 66 mm |
| 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 | 0.124 kg |
| Network Frequency | 0...400 Hz |
| Network Type | DC |
| Product Certifications | IEC |
| Product Compatibility | LC1D25 |
| Product Name | TeSys LRD |
| Product or Component Type | 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 | 45 mm |
| Connections - Terminals | control circuit: screw clamp terminals 2 cable(s) 1-2.5 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 | 3 A at 120 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 |
| Thermal Protection Adjustment Range | 1-1.6 A |
| Tripping Threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |