Product data sheet Characteristics LU2B12B power base - TeSys U - 12 A - 24 V AC screw clamps control Range of product TeSys U Device short name LU2B Product or component type Reversing power base Poles description 3P Suitability for isolation Yes [Ith] conventional free air thermal current 12 A Utilisation category AC-41 AC-44 AC-43 [Uc] control circuit voltage 24 V AC 50/60 Hz Complementary Auxiliary contact composition 2 NO Auxiliary contacts type Type linked contacts (1 NO + 1 NC) conforming to IEC 60947-4-1 Type mirror contact (1 NC) state of the power conforming to draft IEC 60947-1 [Ue] rated operational voltage 690 V 230 V 440 V 500 V Network frequency 40...60 Hz [Ie] rated operational current 12 A at 500 V 12 A at <= 440 V 9 A at 690 V [Ics] rated service breaking capacity 50 kA 440 V 10 kA 500 V 4 kA 690 V 50 kA 230 V Control circuit voltage limits 20...26.5 V 24 V AC in operation 14.5 V 24 V AC drop-out Typical current consumption 90 mA at 24 V AC I rms sealed 220 mA at 24 V AC I maximum while closing Duration of inrush phase 25 ms for AC network 50/60 Hz Safety reliability level B10d 1369863 cycles contactor with nominal load EN/ISO 13849-1 B10d 20000000 cycles contactor with mechanical load EN/ISO 13849-1 Operating time 70 ms closing for control circuit 35 ms opening for control circuit 150 ms with change of direction for power circuit 75 ms without change of direction for power circuit Mechanical durability 15000000 cycles Operating rate 60 cyc/mn [Ui] rated insulation voltage 600 V conforming to CSA C22-2 No 14 690 V conforming to IEC 60947-1 3 600 V conforming to UL 508 [Uimp] rated impulse withstand voltage 6 kV conforming to IEC 60947-6-2 Safe separation of circuit 400 V SELV between the control and auxiliary circuits conforming to IEC 60947-1 appendix N 400 V SELV between the control or auxiliary circuit and the main circuit conforming to IEC 60947-1 appendix N Aug 10, 2011 1 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. Main Connections - terminals Control circuit: screw clamp terminals 1 cable 0.75...1.5 mm - cable stiffness: flexible - without cable end Control circuit: screw clamp terminals 2 cable 0.34...1.5 mm - cable stiffness: flexible - with cable end Power circuit: screw clamp terminals 1 cable 1...6 mm - cable stiffness: flexible with cable end Control circuit: screw clamp terminals 1 cable 0.34...1.5 mm - cable stiffness: flexible - with cable end Power circuit: screw clamp terminals 1 cable 2.5...10 mm - cable stiffness: flexible - without cable end Power circuit: screw clamp terminals 2 cable 1...6 mm - cable stiffness: flexible with cable end Power circuit: screw clamp terminals 2 cable 1.5...6 mm - cable stiffness: flexible - without cable end Power circuit: screw clamp terminals 2 cable 1...6 mm - cable stiffness: rigid without cable end Control circuit: screw clamp terminals 1 cable 0.75...1.5 mm - cable stiffness: rigid - without cable end Power circuit: screw clamp terminals 1 cable 1...10 mm - cable stiffness: rigid without cable end Control circuit: screw clamp terminals 2 cable 0.75...1.5 mm - cable stiffness: flexible - without cable end Control circuit: screw clamp terminals 2 cable 0.75...1.5 mm - cable stiffness: rigid - without cable end Tightening torque Power circuit: 1.9...2.5 N.m - with screwdriver 6 mm flat Control circuit: 0.8...1.2 N.m - with screwdriver 5 mm Philips no 1 Control circuit: 0.8...1.2 N.m - with screwdriver 5 mm flat Power circuit: 1.9...2.5 N.m - with screwdriver 6 mm Philips No 2 Width 45 mm Height 224 mm Depth 126 mm Product weight 1.27 kg Environment Heat dissipation 1.7 W for control circuit with LUCM 2 W for control circuit with LUCA, LUCB, LUCC, LUCD Immunity to microbreaks 3 ms Immunity to voltage dips 70 % 500 ms conforming to IEC 61000-4-11 Product certifications ABS GL ATEX DNV (Det Norske Veritas) BV CCC ASEFA GOST LROS (Lloyds register of shipping) CSA UL Standards IEC 60947-6-2 UL 508 type E with phase barrier EN 60947-6-2 CSA C22-2 No 14 type E IP degree of protection IP20 front panel and wired terminals conforming to IEC 60947-1 IP40 front panel outside connection zone conforming to IEC 60947-1 IP20 other faces conforming to IEC 60947-1 Protective treatment TH conforming to IEC 60068 Ambient air temperature for operation -25...70 C with LUCA, LUCB, LUCC, LUCD -25...60 C with LUCM Ambient air temperature for storage -40...85 C Fire resistance 960 C parts supporting live components conforming to IEC 60695-2-12 650 C conforming to IEC 60695-2-12 Operating altitude 2000 m Shock resistance 10 gn power poles open conforming to IEC 60068-2-27 15 gn power poles closed conforming to IEC 60068-2-27 Vibration resistance 4 gn 5...300 Hz power poles closed conforming to IEC 60068-2-27 2 gn 5...300 Hz power poles open conforming to IEC 60068-2-27 Resistance to electrostatic discharge 8 kV level 4 on contact conforming to IEC 61000-4-2 8 kV level 3 in open air conforming to IEC 61000-4-2 Resistance to radiated fields 10 V/m 3 conforming to IEC 61000-4-3 2 Resistance to fast transients 2 kV class 3 serial link conforming to IEC 61000-4-4 4 kV class 4 all circuits except for serial link conforming to IEC 61000-4-4 Non-dissipating shock wave 1 kV serial mode conforming to IEC 60947-6-2 2 kV common mode conforming to IEC 60947-6-2 Immunity to radioelectric fields 10 V conforming to IEC 61000-4-6 3