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Schneider Electric LU2B12ES

Schneider Electric LU2B12ES

MPNLU2B12ES
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Square D LU2B12ES Starter Power Base|Square D LU2B12ES Starter Power Base

$82.55Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LU2B12ES key specifications
ParameterValue
Auxiliary contacts typeLinked contacts 1 NO + 1 NC) IEC 60947-4-1 Mirror contact 1 NC) IEC 60947-1
Product or component typeReversing power base
Immunity to voltage dips70 % / 500 ms IEC 61000-4-11
Coil voltage48...72 V AC 50/60 Hz 48...72 V DC
Voltage690 V IEC 60947-6-2 3) 600 V UL 60947-4-1 600 V CSA C22.2 No 60947-4-1
Control circuit voltage limits29 V AC drop-out 29 V DC drop-out 38.5...72 V AC in operation 38.5...93 V DC in operation
[Ue] rated operational voltage690 V AC power circuit
[Uimp] rated impulse withstand voltage6 kVIEC 60947-6-2
Typical current consumption2300 mA 48...72 V DC I maximum while closing 2300 mA 48...72 V AC I maximum while closing
[Ie] rated operational current12 A 12 A 500 V 9 A 690 V
[Ics] rated service breaking capacity50 kA 230 V 50 kA 440 V 10 kA 500 V 4 kA 690 V
[Ith] conventional free air thermal current12 A

All specifications

LU2B12ES additional specifications
ParameterValue
Network frequency40...60 Hz
Poles description3P
Utilisation categoryAC-43 AC-44 AC-41
IP degree of protectionIP20 IEC 60947-1 front panel and wired terminals) IP20 IEC 60947-1 other faces) IP40 IEC 60947-1 front panel outside connection zone)
Connections - terminalsControl circuit: screw clamp terminals 1 cable(s) 0.0005...0.002 in² (0.34...1.5 mm²) flexible with cable end Control circuit: screw clamp terminals 1 cable(s) 0.001...0.002 in² (0.75...1.5 mm²) flexible without cable end Control circuit: screw clamp terminals 1 cable(s) 0.001...0.002 in² (0.75...1.5 mm²) rigid Control circuit: screw clamp terminals 2 cable(s) 0.0005...0.002 in² (0.34...1.5 mm²) flexible with cable end Control circuit: screw clamp terminals 2 cable(s) 0.001...0.002 in² (0.75...1.5 mm²) flexible without cable end Control circuit: screw clamp terminals 2 cable(s) 0.001...0.002 in² (0.75...1.5 mm²) rigid Power circuit: screw clamp terminals 1 cable(s) 0.002...0.02 in² (1...10 mm²) rigid Power circuit: screw clamp terminals 1 cable(s) 0.002...0.009 in² (1...6 mm²) flexible with cable end Power circuit: screw clamp terminals 1 cable(s) 0.004...0.02 in² (2.5...10 mm²) flexible without cable end Power circuit: screw clamp terminals 2 cable(s) 0.002...0.009 in² (1...6 mm²) flexible with cable end Power circuit: screw clamp terminals 2 cable(s) 0.002...0.009 in² (1...6 mm²) rigid Power circuit: screw clamp terminals 2 cable(s) 0.002...0.009 in² (1.5...6 mm²) flexible without cable end
Shock resistance10 gn power poles open IEC 60068-2-27 15 gn power poles closed IEC 60068-2-27
Operating altitude6561.68 ft (2000 m)
Vibration resistance2 gn 5...300 Hz) power poles open IEC 60068-2-27 4 gn 5...300 Hz) power poles closed IEC 60068-2-27
Non-dissipating shock wave1 kV serial mode IEC 60947-6-2 2 kV common mode IEC 60947-6-2
Depth5.0 in (126 mm)
Width1.8 in (45 mm)
Height8.8 in (224 mm)
Mechanical durability15 Mcycles
StandardsEN 60947-6-2 IEC 60947-6-2 UL 60947-4-1, with phase barrier CSA C22.2 No 60947-4-1, with phase barrier
RangeTeSys
CategoryUS10I1122396
Fixing modeClipped (DIN rail) Screw-fixed (plate)
Operating time150 ms with change of direction power circuit 35 ms opening control circuit 75 ms without change of direction power circuit 60 ms closing control circuit
Fire resistance1760 °F (960 °C) parts supporting live components IEC 60695-2-12 1202 °F (650 °C) IEC 60695-2-12
Heat dissipation3 W control circuit with LUCA, LUCB, LUCC, LUCD 1.8 W control circuit with LUCM
Device short nameLU2B
Tightening torqueControl circuit: 7.08...10.6 lbf.in (0.8...1.2 N.m) flat screwdriver 0.2 in (5 mm) Control circuit: 7.08...10.6 lbf.in (0.8...1.2 N.m) Philips no 1 screwdriver 0.2 in (5 mm) Power circuit: 16.8...22.1 lbf.in (1.9...2.5 N.m) flat screwdriver 0.2 in (6 mm) Power circuit: 16.8...22.1 lbf.in (1.9...2.5 N.m) Philips No 2 screwdriver 0.2 in (6 mm) Power circuit: 16.8...22.1 lbf.in (1.9...2.5 N.m) pozidriv No 2 screwdriver 0.2 in (6 mm)
Compatibility codeLU2B
Device applicationMotor control Motor protection
Protective treatmentTH IEC 60068
Maximum operating rate3600 cyc/h
Immunity to microbreaks3 ms control circuit
Safety reliability levelB10d = 1369863 cycles contactor with nominal load EN/ISO 13849-1 B10d = 20000000 cycles contactor with mechanical load EN/ISO 13849-1
Inrush restraint duration25 ms AC 50/60 Hz 15 ms DC
Suitability for isolationYes
Safe separation of circuit400 V SELV between the control and auxiliary circuits IEC 60947-1 appendix N 400 V SELV between the control or auxiliary circuit and the main circuit IEC 60947-1 appendix N
Auxiliary contact composition1 NO + 1 NC
Resistance to fast transients2 kV 3 serial link IEC 61000-4-4 4 kV 4 all circuits except for serial link IEC 61000-4-4
Resistance to radiated fields9.1 V/m (10 V/m) 3 IEC 61000-4-3
Immunity to radioelectric fields10 V IEC 61000-4-6
Ambient air temperature for storage-40...185 °F (-40...85 °C)
Ambient air temperature for operation-13...140 °F (-25...60 °C) with LUCM -13...158 °F (-25...70 °C) with LUCA, LUCB, LUCC, LUCD
Resistance to electrostatic discharge8 kV 3 in open air IEC 61000-4-2 8 kV 4 on contact IEC 61000-4-2
MPN
LU2B12ES