| Range | TeSys |
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| Product name | TeSys Ultra |
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| Device short name | LU2B |
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| Product or component type | Reversing power base |
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| Device application | Motor control · Motor protection |
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| Product compatibility | Control unit LUC.X6BL · Control unit LUC.1XBL · Control unit LUC.05BL · Control unit LUC.12BL |
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| Poles description | 3P |
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| Suitability for isolation | Yes |
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| [Ue] rated operational voltage | 690 V AC for power circuit |
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| Network frequency | 40...60 Hz |
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| [Ith] conventional free air thermal current | 12 A |
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| [Ie] rated operational current | 12 A at <= 440 V · 12 A at 500 V · 9 A at 690 V |
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| Utilisation category | AC-43 · AC-44 · AC-41 |
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| [Ics] rated service breaking capacity | 50 kA at 230 V · 50 kA at 440 V · 10 kA at 500 V · 4 kA at 690 V |
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| Auxiliary contact composition | 1 NO + 1 NC |
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| Auxiliary contacts type | type linked contacts (1 NO + 1 NC) conforming to IEC 60947-4-1 · type mirror contact (1 NC) conforming to IEC 60947-1 |
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| [Uc] control circuit voltage | 24 V DC |
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| Control circuit voltage limits | 14.5 V DC drop-out · 20...27 V DC in operation |
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| Typical current consumption | 120 mA at 24 V DC I maximum while closing · 120 mA at 24 V DC I rms sealed |
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| Heat dissipation | 2 W for control circuit with LUCA, LUCB, LUCC, LUCD · 1.7 W for control circuit with LUCM |
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| Inrush restraint duration | 15 ms DC |
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| Safety reliability level | B10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1 · B10d = 20000000 cycles contactor with mechanical load conforming to EN/ISO 13849-1 |
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| Operating time | 150 ms with change of direction for power circuit · 75 ms without change of direction for power circuit · 35 ms opening with LUCA, LUCB, LUCC, LUCD, LUCM for control circuit · 75 ms closing with LUCM for control circuit · 70 ms closing with LUCA, LUCB, LUCC, LUCD for control circuit |
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| Mechanical durability | 15 Mcycles |
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| maximum operating rate | 3600 cyc/h |
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| Product certifications | CE · UL · CSA · CCC · EAC · ASEFA · ATEX · Marine |
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| Standards | EN 60947-6-2 · IEC 60947-6-2 · UL 60947-4-1, with phase barrier · CSA C22.2 No 60947-4-1, with phase barrier |
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| [Ui] rated insulation voltage | 690 V conforming to IEC 60947-6-2 (pollution degree 3) · 600 V conforming to UL 60947-4-1 · 600 V conforming to CSA C22.2 No 60947-4-1 |
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| [Uimp] rated impulse withstand voltage | 6 kV conforming to IEC 60947-6-2 |
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| 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 |
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| Fixing mode | Clipped (DIN rail) · Screw-fixed (plate) |
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| Connections - terminals | Power circuit: screw clamp terminals 1 cable(s) 1…10 mm² rigid · Power circuit: screw clamp terminals 1 cable(s) 1…6 mm² flexible with cable end · Power circuit: screw clamp terminals 1 cable(s) 2.5…10 mm² flexible without cable end · Power circuit: screw clamp terminals 2 cable(s) 1…6 mm² flexible with cable end · Power circuit: screw clamp terminals 2 cable(s) 1…6 mm² rigid · Power circuit: screw clamp terminals 2 cable(s) 1.5…6 mm² flexible without cable end · Control circuit: without connection |
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| Tightening torque | Power circuit: 1.9…2.5 N.m flat screwdriver 6 mm · Power circuit: 1.9…2.5 N.m Philips No 2 screwdriver 6 mm · Power circuit: 1.9…2.5 N.m pozidriv No 2 screwdriver 6 mm |
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| Width | 45 mm |
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| Height | 224 mm |
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| Depth | 126 mm |
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| Product weight | 1.27 kg |
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| Compatibility code | LU2B |
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| IP degree of protection | IP20 conforming to IEC 60947-1 (front panel and wired terminals) · IP20 conforming to IEC 60947-1 (other faces) · IP40 conforming to IEC 60947-1 (front panel outside connection zone) |
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| Protective treatment | TH conforming to IEC 60068 |
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| Ambient air temperature for operation | -25…60 °C with LUCM · -25…70 °C with LUCA, LUCB, LUCC, LUCD |
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| Ambient air temperature for storage | -40…85 °C |
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| Fire resistance | 960 °C parts supporting live components conforming to IEC 60695-2-12 · 650 °C conforming to IEC 60695-2-12 |
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| Operating altitude | 2000 m |
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| Shock resistance | 10 gn power poles open conforming to IEC 60068-2-27 · 15 gn power poles closed conforming to IEC 60068-2-27 |
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