power base - TeSys U - 12 A - 24 V DC screw clamps control

LU2B12BL
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Description

TeSys U standard reversing power base, 3 poles (3NO), rated 12A/690V, to be completed with a control unit LUC to form a TeSys U reversing starter controller, for 3-phase motor applications up to 5.5kW@400V. Base composed of power contacts, control coil, rotary handle, with a modular design for additional modules to form a "all in one" reversing starter controller with basic or advanced protection and control functions. It is equipped with a reverser module LU2MB0BL to be supplied with 24V DC, auxiliary signaling contacts (1NO+1NC), a control terminal block, blanking shutters covering the empty cavities. It provides a high breaking capacity Icu 50kA@400V, start-stop control guaranteed for 3600 cycles/hour. Very compact (45mm width), DIN-rail mounting and screw fixing, with a padlockable rotary handle. Certified when used in conjunction with a LUC control unit (IEC, UL, CSA, CCC, EAC, Marine), Green Premium compliant (RoHS/REACh).

Product Details

[ics] Rated Service Breaking Capacity 50 kA at 230 V
[ie] Rated Operational Current 12 A at <= 440 V
[uc] Control Circuit Voltage 24 V DC
[ue] Rated Operational Voltage 690 V AC for power circuit
[ui] Rated Insulation Voltage 690 V conforming to IEC 60947-6-2 (pollution degree 3)
[uimp] Rated Impulse Withstand Voltage 6 kV conforming to IEC 60947-6-2
Ambient Air Temperature for Operation -25-60 °C with LUCM
Ambient Air Temperature for Storage -40-85 °C
Auxiliary Contacts Type type linked contacts (1 NO + 1 NC) conforming to IEC 60947-4-1
Compatibility Code LU2B
Depth 126 mm
Device Application motor control
Device Short Name LU2B
Fire Resistance 960 °C parts supporting live components conforming to IEC 60695-2-12
Fixing Mode clipped (DIN rail)
Height 224 mm
Ip Degree of Protection IP20 conforming to IEC 60947-1 (front panel and wired terminals)
Mechanical Durability 15 Mcycles
Net Weight 1.27 kg
Network Frequency 40...60 Hz
Poles Description 3P
Product Certifications CE
Product Compatibility control unit LUC.X6BL
Product Name TeSys Ultra
Product or Component Type reversing power base
Range TeSys
Range of Product TeSys Ultra
Standards EN 60947-6-2
Suitability For Isolation yes
Tightening Torque control circuit: 0.8-1.2 N.m flat screwdriver 5 mm
Utilisation Category AC-43
Width 45 mm
Connections - Terminals control circuit: screw clamp terminals 1 cable(s) 0.34-1.5 mm² flexible with cable end
[ith] Conventional Free Air Thermal Current 12 A
Auxiliary Contact Composition 1 NO + 1 NC
Control Circuit Voltage Limits 14.5 V DC drop-out
Heat Dissipation 2-2 W for control circuit with LUCA, LUCB, LUCC, LUCD
Immunity to Microbreaks 3 ms for control circuit
Immunity to Radioelectric Fields 10 V conforming to IEC 61000-4-6
Immunity to Voltage Dips 70 % / 500 ms conforming to IEC 61000-4-11
Inrush Restraint Duration 15 ms DC
Maximum Operating Rate 3600 cyc/h
Operating Altitude 2000 m
Operating Time 150 ms with change of direction for power circuit
Protective Treatment TH conforming to IEC 60068
Resistance to Electrostatic Discharge 8 kV level 3 in open air conforming to IEC 61000-4-2
Resistance to Fast Transients 2 kV class 3 serial link conforming to IEC 61000-4-4
Resistance to Radiated Fields 10 V/m 3 conforming to IEC 61000-4-3
Safe Separation of Circuit 400 V SELV between the control and auxiliary circuits conforming to IEC 60947-1 appendix N
Safety Reliability Level B10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1
Shock Resistance 10 gn power poles open conforming to IEC 60068-2-27
Typical Current Consumption 120 mA at 24 V DC I maximum while closing
Vibration Resistance 2 gn (f= 5-300 Hz) power poles open conforming to IEC 60068-2-27

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