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.
Aug 10, 2011
1
Product data sheet
Characteristics
LU2B12B
power base - TeSys U - 12 A - 24 V AC screw
clamps control
Main
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 volt-
age
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 conform-
ing to IEC 60947-1 appendix N
2
Connections - terminals Control circuit: screw clamp terminals 1 cable 0.75...1.5 mm² - cable stiffness:
flexible - without cable end
Control circuit: screw clamp terminals 2 cable 0.34...1.5 mm² - cable stiffness:
flexible - with cable end
Power circuit: screw clamp terminals 1 cable 1...6 mm² - cable stiffness: flexible -
with cable end
Control circuit: screw clamp terminals 1 cable 0.34...1.5 mm² - cable stiffness:
flexible - with cable end
Power circuit: screw clamp terminals 1 cable 2.5...10 mm² - cable stiffness: flexi-
ble - without cable end
Power circuit: screw clamp terminals 2 cable 1...6 mm² - cable stiffness: flexible -
with cable end
Power circuit: screw clamp terminals 2 cable 1.5...6 mm² - cable stiffness: flexible
- without cable end
Power circuit: screw clamp terminals 2 cable 1...6 mm² - cable stiffness: rigid -
without cable end
Control circuit: screw clamp terminals 1 cable 0.75...1.5 mm² - cable stiffness:
rigid - without cable end
Power circuit: screw clamp terminals 1 cable 1...10 mm² - cable stiffness: rigid -
without cable end
Control circuit: screw clamp terminals 2 cable 0.75...1.5 mm² - cable stiffness:
flexible - without cable end
Control circuit: screw clamp terminals 2 cable 0.75...1.5 mm² - 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
3
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
