Thermal overload relay, TeSys LRD, 9...13 A, class 10A
Thermal overload relay, TeSys LRD, 9...13 A, class 10A
Thermal overload relay, TeSys LRD, 9...13 A, class 10A
Description
TeSys LRD thermal overload relay, 13A/690V, thermal setting range 9-13A, tripping class 10A, for protection of 3-phase motors 5.5kW@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 LC1D12-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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[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
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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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Climatic Withstandconforming to IACS E10
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Compatibility CodeLRD
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Control Typered push-button: stop
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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
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Mounting Supportplate, with specific accessories
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Net Weight0.124 kg
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Network Frequency0...400 Hz
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Network TypeDC
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Product CertificationsIEC
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Product CompatibilityLC1D18
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Product NameTeSys LRD
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Product or Component Typedifferential thermal overload relay
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RangeTeSys
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StandardsEN/IEC 60947-4-1
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Tightening Torquecontrol circuit: 1.7 N.m - on screw clamp terminals
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Width45 mm
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Connections - Terminalscontrol circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² flexible without cable end
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[ith] Conventional Free Air Thermal Current5 A for signalling circuit
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Associated Fuse Rating4 A gG for signalling circuit
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Auxiliary Contact Composition1 NO + 1 NC
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Permissible Current1.5 A at 240 V AC-15 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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Relay Applicationmotor protection
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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 Range9-13 A
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Tripping Threshold1.14 +/- 0.06 Ir conforming to IEC 60947-4-1