Standard control unit, TeSys Ultra, 1.25-5A, 3P motors, thermal magnetic protection, class 10, coil 110-240V AC/DC

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TeSys U standard control unit to be inserted in power bases LUB12, LUB32, LUB38 to form a TeSys U starter controller, for 3-phase motor applications up to 1.5kW@400V. It provides full protection to motors with a rated current Ir 1.25-5A (Ir adjustable), overload tripping class 10, short circuit at 13 x Irmax, overcurrent at 14.2 x Ir, phase loss, insulation fault (protection of equipment only). To be used with a 110-240V AC / 110-220V DC voltage for the control of the starter (through the control terminals A1/A2 located in the power base). Certified when used in conjunction with a LUB power base (IEC, UL, CSA, CCC, EAC, Marine), Green Premium compliant (RoHS/REACh).

Product Details

[uc] Control Circuit Voltage 110...240 V AC
[ue] Rated Operational Voltage 690 V AC
[ui] Rated Insulation Voltage 690 V conforming to IEC 60947-6-2
[uimp] Rated Impulse Withstand Voltage 6 kV conforming to IEC 60947-6-2
Ambient Air Temperature for Operation -25-70 °C
Ambient Air Temperature for Storage -40-85 °C
Compatibility Code LUCA
Depth 60 mm
Device Application motor control
Device Short Name LUCA
Fire Resistance 960 °C parts supporting live components conforming to IEC 60695-2-12
Fixing Mode plug-in (front face)
Function Available protection against phase failure and phase imbalance
Height 66 mm
Ip Degree of Protection IP20 front panel and wired terminals conforming to IEC 60947-1
Net Weight 0.135 kg
Network Frequency 40...60 Hz
Product Certifications CE
Product Compatibility power base LUB12
Product Name TeSys Ultra
Product or Component Type standard control unit
Product Specific Application basic protection requirements for motor starters: overload and short-circuit
Range TeSys
Range of Product TeSys Ultra
Standards EN 60947-6-2
Utilisation Category AC-44
Width 45 mm
Control Circuit Voltage Limits 88...264 V for AC circuit 110...240 V in operation
Heat Dissipation 2-2 W for control circuit with LUB12
Immunity to Microbreaks 3 ms
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
Load Type 3-phase motor - cooling: self-cooled
Motor Power Kw 1.5 kW at 400...440 V AC 50/60 Hz
Non-dissipating Shock Wave 1 kV serial mode conforming to IEC 60947-6-2
Operating Altitude 2000 m
Operating Time 35 ms opening with LUB12 for control circuit
Phase Failure Sensitivity yes
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
Shock Resistance 10 gn power poles open conforming to IEC 60068-2-27
Thermal Overload Class class 10 - frequency limit: 40-60 Hz - temperature compensation: -25-70 °C conforming to IEC 60947-6-2
Thermal Protection Adjustment Range 1.25-5 A
Tripping Threshold 14.2 x Ir +/- 20 %
Typical Current Consumption 280 mA at 110...240 V AC I maximum while closing with LUB12
Vibration Resistance 2 gn, 5-300 Hz, power poles open conforming to IEC 60068-2-6

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