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Main | |
Range | TeSys |
Product Name | TeSys LRD |
Product or component type | Non differential thermal overload relay |
Device short name | LR3D |
Relay application | Motor protection |
Product compatibility | LC1D25 LC1D09 LC1D38 LC1D32 LC1D12 LC1D18 |
Network type | DC AC |
Thermal protection adjustment range | 5.5...8 A |
[Ui] rated insulation voltage | 600 V power circuit conforming to CSA 600 V power circuit conforming to UL 690 V power circuit conforming to IEC 60947-4-1 |
Network frequency | 0...400 Hz |
Mounting support | Plate with specific accessories Rail with specific accessories Under contactor |
Tripping threshold | 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 |
[Ith] conventional free air thermal current | 5 A for signalling circuit |
Permissible current | 3 A at 120 V AC-15 for signalling circuit 0.22 A at 125 V DC-13 for signalling circuit |
[Ue] rated operational voltage | 690 V AC 0...400 Hz |
[Uimp] rated impulse withstand voltage | 6 kV |
Phase failure sensitivity | Tripping current 130 % of Ir on two phase, the last one at 0 |
Control type | Red push-button: stop Blue push-button: reset |
Temperature compensation | -20…60 °C |
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 without cable end 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...4 mm² flexible with cable end Power circuit : screw clamp terminals 1 cable(s) 1...6 mm² solid without cable end |
Tightening torque | Control circuit: 1.7 N.m - on screw clamp terminals Power circuit: 1.7 N.m - on screw clamp terminals |
Environment | |
Protective treatment | TH conforming to IEC 60068 |
IP degree of protection | IP20 conforming to IEC 60529 |
Ambient air temperature for operation | -20…60 °C without derating conforming to IEC 60947-4-1 |
Ambient air temperature for storage | -60…70 °C |
Flame retardance | V1 conforming to UL 94 |
Mechanical robustness | Vibrations: 6 Gn conforming to IEC 60068-2-6 Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 |
Dielectric strength | 6 kV at 50 Hz conforming to IEC 60255-5 |
Standards | ATEX D 94/9/CE EN 60947-4-1 EN 60947-5-1 IEC 60947-4-1 IEC 60947-5-1 UL 508 CSA C22.2 No 14 |
Product certifications | ATEX INERIS BV CCC CSA DNV GL GOST LROS (Lloyds register of shipping) RINA UL |
Dimension | |
Width | 45 mm |
Depth | 70 mm |
Net weight | 0.124 kg |













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