Schneider Electric TeSys LRD thermal overload relays - 16...24 A - class 10A
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Schneider Electric TeSys LRD thermal overload relays - 16...24 A - class 10A
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Description
TeSys LRD thermal overload relay, 24A/690V, thermal setting range 16-24A, tripping class 10A, for protection of 3-phase motors 11kW@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 LC1D25-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
| Weight (in Kg) | 0.143 |
|---|---|
| Net weight | 0.124 kg |
| Product Or Component Type | differential thermal overload relay |
| Control Type | red push-button: stop blue push-button: reset |
| Tripping Threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
| Network frequency | 0...400 Hz |
| Auxiliary Contact Composition | 1 NO + 1 NC |
| Temperature Compensation | -20-60 °C |
| Thermal Protection Adjustment Range | 16-24 A |
| [IP] Degree of Protection | IP20 conforming to IEC 60529 |
| Connections Terminals | control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² flexible without cable end control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² flexible with cable end control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² solid power circuit: screw clamp terminals 1 cable(s) 1.5-10 mm² flexible without cable end power circuit: screw clamp terminals 1 cable(s) 1-6 mm² flexible with cable end power circuit: screw clamp terminals 1 cable(s) 1.5-10 mm² solid |
| [Uimp] Rated Impulse Wthstand Voltage | 6 kV |
| phase_failure_sensitivity | tripping current 130 % of Ir on two phase, the last one at 0 |
| Ambient air temperature for operation | -20-60 °C without derating conforming to IEC 60947-4-1 |
| Tightening Torque | control circuit: 1.7 N.m - on screw clamp terminals power circuit: 2.5 N.m - on screw clamp terminals |
| Standards | EN/IEC 60947-4-1 EN/IEC 60947-5-1 UL 60947-4-1 UL 60947-5-1 CSA C22.2 No 60947-4-1 CSA C22.2 No 60947-5-1 GB/T 14048.4 GB/T 14048.5 EN 50495 |
| Product Certifications | IEC UL CSA CCC EAC BV RINA DNV-GL LROS (Lloyds register of shipping) ATEX INERIS UKCA |
| Mechanical Robustness | vibrations: 6 Gn conforming to IEC 60068-2-6 shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 |
| [Ith] Conventional Free Air Thermal Current | 5 A for signalling circuit |
| [ui] Rated Insulation Voltage | power circuit: 600 V conforming to CSA power circuit: 600 V conforming to UL power circuit: 690 V conforming to IEC 60947-4-1 |
| Associated Fuse Rating | 4 A gG for signalling circuit 4 A BS for signalling circuit |
| Mounting support | plate, with specific accessories rail, with specific accessories under contactor |
| Flame Retardance | V1 conforming to UL 94 |
| Climatic Withstand | conforming to IACS E10 |
| Product Compatibility | LC1D25 LC1D32 LC1D38 |
| Relay Application | motor protection |
| Thermal Overload Class | class 10A conforming to IEC 60947-4-1 |
| Dielectric Strength | 1.89 kV at 50 Hz conforming to IEC 60947-1 |
| Permissible Current | 1.5 A at 240 V AC-15 for signalling circuit 0.1 A at 250 V DC-13 for signalling circuit |
| Device short name | LRD |
| Depth | 70 mm |
| Ambient air temperature for storage | -60-70 °C |
| Height | 66 mm |
| width | 45 mm |
| Compatibility code | LRD |
| Network type | DC AC |
| [Ue] Rated Operational Voltage | 690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1 |
| Brand | Schneider Electric |