the information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein. this documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications. it is the duty of any such user or integrator to perform the appropriate and complete risk analysis, evaluation and testing of the products with respect to the relevant specific application or use thereof. neither schneider electric industries sas nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein. mar 9, 2013 1 product data sheet characteristics LRD03 tesys d thermal overload relays - 0.25...0.4 a - class 10a main range of product tesys d thermal overload relays product or component type differential thermal overload relay device short name lrd relay application motor protection product compatibility lc1d09...lc1d38 network type ac dc overload tripping class class 10a conforming to iec 60947-4-1 thermal protection ad- justment range 0.25...0.4 a [ui] rated insulation voltage 690 v power circuit conforming to iec 60947-4-1 600 v power circuit conforming to ul 600 v power circuit conforming to csa complementary network frequency 0...400 hz mounting support 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 0.22 a at 125 v dc-13 for power circuit 3 a at 120 v ac-15 for power circuit [ue] rated operational voltage 690 v [uimp] rated impulse withstand voltage 6 kv phase failure sensitivity tripping current 130 % of ir on two phase, the last one at 0 temperature compensation -30...60 c connections - terminals power circuit: screw clamp terminals 1 cable(s) 1...6 mm2 - cable stiffness: solid - without cable end power circuit: screw clamp terminals 1 cable(s) 1...4 mm2 - cable stiffness: flexi- ble - with cable end power circuit: screw clamp terminals 1 cable(s) 1.5...10 mm2 - cable stiffness: flexible - without cable end control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm2 - cable stiffness: sol- id - without cable end control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm2 - cable stiffness: flexible - with cable end control circuit: screw clamp terminals 2 cable(s) 1...2.5 mm2 - cable stiffness: flexible - without cable end tightening torque power circuit: 1.7 n.m - on screw clamp terminals control circuit: 1.7 n.m - on screw clamp terminals width 45 mm depth 70 mm product weight 0.124 kg quantity per set set of 10
2 environment standards csa c22-2 no 14 en 60947-4-1 en 60947-5-1 iec 60947-4-1 iec 60947-5-1 ul 508 product certifications atex ineris bv ccc csa dnv gl gost rina ul lros protective treatment th conforming to iec 60068 ip degree of protection ip2x conforming to vde 0106 ambient air temperature for operation -20...60 c without derating conforming to iec 60947-4-1 ambient air temperature for storage -60...70 c fire resistance 850 c conforming to iec 60695-2-1 flame retardance v1 conforming to ul 94 mechanical robustness shocks 15 gn for 11 ms iec 60068-2-7 vibrations 6 gn iec 60068-2-6 dielectric strength 6 kv at 50 hz conforming to 60255-5
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