Specifications Main Range TeSys Product name TeSys K product or component type Reversing contactor Device short name LC2K Device application Control contactor application Resistive load Motor control Utilisation category AC-1 AC-4 AC-3 AC-3e device presentation Preassembled with reversing power busbar poles description 3P power pole contact composition 3 NO [Ue] rated operational voltage Power circuit 690 V AC 50/60 Hz Signalling circuit <= 690 V AC 50/60 Hz [Ie] rated operational current 20 A (at <122 °F (50 °C)) at <= 440 V AC AC-1 for power circuit 16 A (at <158 °F (70 °C)) at 690 V AC AC-1 for power circuit 12 A at <= 440 V AC AC-3 for power circuit 12 A at <= 440 V AC AC-3e for power circuit Motor power kW 4 kW 480 V AC 50/60 Hz 4 kW 500...600 V AC 50/60 Hz 4 kW 660...690 V AC 50/60 Hz 3 kW 220...230 V AC 50/60 Hz 5.5 kW 380...415 V AC 50/60 Hz 5.5 kW 440 V AC 50/60 Hz Control circuit type AC 50/60 Hz [Uc] control circuit voltage 24 V AC 50/60 Hz auxiliary contact composition 1 NO [Uimp] rated impulse withstand voltage 8 kV Overvoltage category III [Ith] conventional free air thermal current 20 A (at 122 °F (50 °C)) for power circuit 10 A (at 122 °F (50 °C)) for signalling circuit Irms rated making capacity 144 A at 690 V AC for power circuit conforming to NF C 63-110 144 A at 690 V AC for power circuit conforming to IEC 60947 110 A AC for signalling circuit conforming to IEC 60947 Rated breaking capacity 110 A at 440 V conforming to IEC 60947 80 A at 500 V conforming to IEC 60947 70 A at 660...690 V conforming to IEC 60947 [Icw] rated short-time withstand current 115 A 122 °F (50 °C) - 1 s for power circuit 105 A 122 °F (50 °C) - 5 s for power circuit 100 A 122 °F (50 °C) - 10 s for power circuit 75 A 122 °F (50 °C) - 30 s for power circuit 55 A 122 °F (50 °C) - 1 min for power circuit 50 A 122 °F (50 °C) - 3 min for power circuit 80 A - 1 s for signalling circuit 90 A - 500 ms for signalling circuit 110 A - 100 ms for signalling circuit 25 A 122 °F (50 °C) - >= 15 min for power circuit Associated fuse rating 25 A gG at <= 440 V for power circuit 25 A aM for power circuit 10 A gG for signalling circuit conforming to IEC 60947 10 A gG for signalling circuit conforming to VDE 0660 Average impedance 3 mOhm - Ith 20 A 50 Hz for power circuit [Ui] rated insulation voltage Power circuit 600 V UL 508 Power circuit 690 V IEC 60947-4-1 Signalling circuit 690 V IEC 60947-4-1 Signalling circuit 690 V IEC 60947-5-1 Signalling circuit 600 V UL 508 Power circuit 600 V CSA C22.2 No 14 Signalling circuit 600 V CSA C22.2 No 14 Electrical durability 1.3 Mcycles 12 A AC-3 <= 440 V 1.3 Mcycles 12 A AC-3e <= 440 V 0.3 Mcycles 20 A AC-1 <= 690 V 0.02 Mcycles 72 A AC-4 <= 440 V Interlocking type Mechanical mounting support Rail Plate Standards EN/IEC 60947-4-1 GB/T 14048.4 UL 60947-4-1 CSA C22.2 No 60947-4-1 JIS C8201-4-1 Product certifications CB Scheme CCC UL CSA EAC CE UKCA Connections - terminals Faston terminals 2 0.11 in (2.8 mm)) Faston terminals 1 0.25 in (6.35 mm)) Operating time 10...20 ms coil energisation and NO closing 10...20 ms coil de-energisation and NO opening 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 Mechanical durability 5 Mcycles Maximum operating rate 3600 cyc/h