TeSys LRD thermal overload relays - 2.5...4 A - class 10A
TeSys LRD thermal overload relays - 2.5...4 A - class 10A
- 2.5..4A Th Overload Relay
TeSys LRD thermal overload relays - 2.5...4 A - class 10A
Product Documents
Description
TeSys LRD thermal overload relay, 4A/690V, thermal setting range 2.5-4A, 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 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
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ActivityPPCTR
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Pincode Groupdefault
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Weight140.9 g
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Package1 Length*Width*Height8.9 cm x 7.8 cm x 4.8 cm
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Country of ManufacturingFrance
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[Ith] conventional free air thermal current5 A for signalling circuit
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[ue] Rated Operational Voltage690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
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[Ui] rated insulation voltagepower circuit: 600 V conforming to CSA, power circuit: 600 V conforming to UL, power circuit: 690 V conforming to IEC 60947-4-1
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[Uimp] rated impulse withstand voltage6 kV
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ambient air temperature for operation-20-60 °C without derating conforming to IEC 60947-4-1
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ambient air temperature for storage-60-70 °C
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associated fuse rating4 A gG for signalling circuit, 4 A BS for signalling circuit
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auxiliary contact composition1 NO + 1 NC
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climatic withstandconforming to IACS E10
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compatibility codeLRD
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connections - terminalscontrol 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
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control typered push-button: stop, blue push-button: reset
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depth70 mm
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device short nameLRD
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dielectric strength1.89 kV at 50 Hz conforming to IEC 60947-1
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flame retardanceV1 conforming to UL 94
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height66 mm
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IP degree of protectionIP20 conforming to IEC 60529
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mechanical robustnessvibrations: 6 Gn conforming to IEC 60068-2-6, shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
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mounting supportplate, with specific accessories, rail, with specific accessories, under contactor
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net weight0.124 kg
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network frequency0...400 Hz
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network typeAC, DC
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permissible current3 A at 120 V AC-15 for signalling circuit, 0.22 A at 125 V DC-13 for signalling circuit
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phase failure sensitivitytripping current 130 % of Ir on two phase, the last one at 0
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product certificationsIEC, UL, CSA, CCC, EAC, BV, RINA, DNV-GL, LROS (Lloyds register of shipping), ATEX INERIS, UKCA
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product compatibilityLC1D12, LC1D09, LC1D25, LC1D38, LC1D32, LC1D18
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product or component typedifferential thermal overload relay
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rangeTeSys, TeSys Deca
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rated operational voltage limits690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
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relay applicationmotor protection
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standardsEN/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
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temperature compensation-20-60 °C
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thermal overload classclass 10A conforming to IEC 60947-4-1
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thermal protection adjustment range2.5-4 A
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tightening torquecontrol circuit: 1.7 N.m - on screw clamp terminals, power circuit: 1.7 N.m - on screw clamp terminals
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tripping threshold1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
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width45 mm
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ambient air temperature for operation-20-60 °C without derating conforming to IEC 60947-4-1
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standardsEN/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
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product compatibilityLC1D12, LC1D09, LC1D25, LC1D38, LC1D32, LC1D18
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mechanical robustnessvibrations: 6 Gn conforming to IEC 60068-2-6, shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7