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Range
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TeSys
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Product name
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TeSys K
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Product or component type
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Changeover contactor
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Device short name
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LC2K
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Device application
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Control
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Contactor application
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Resistive load
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Utilisation category
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AC-1
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Device presentation
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Preassembled with reversing power busbar
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Poles description
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4P
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Power pole contact composition
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4 NO
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[Ue] rated operational voltage
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Power circuit: 690 V AC 50/60 Hz
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[Ie] rated operational current
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20 A (at <50 °C) at <= 440 V AC AC-1 for power circuit
16 A (at <70 °C) at 690 V AC AC-1 for power circuit
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Control circuit type
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AC at 50/60 Hz
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[Uc] control circuit voltage
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230 V AC 50/60 Hz
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[Uimp] rated impulse withstand voltage
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8 kV
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Overvoltage category
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III
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[Ith] conventional free air thermal current
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20 A (at 50 °C) for power circuit
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Irms rated making capacity
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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
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Rated breaking capacity
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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
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[Icw] rated short-time withstand current
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115 A 50 °C - 1 s for power circuit
105 A 50 °C - 5 s for power circuit
100 A 50 °C - 10 s for power circuit
75 A 50 °C - 30 s for power circuit
55 A 50 °C - 1 min for power circuit
50 A 50 °C - 3 min for power circuit
25 A 50 °C - >= 15 min for power circuit
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Associated fuse rating
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25 A gG at <= 440 V for power circuit
25 A aM for power circuit
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Average impedance
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3 mOhm - Ith 20 A 50 Hz for power circuit
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[Ui] rated insulation voltage
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Power circuit: 600 V conforming to UL 508
Power circuit: 690 V conforming to IEC 60947-4-1
Power circuit: 600 V conforming to CSA C22.2 No 14
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Electrical durability
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0.3 Mcycles 20 A AC-1 at Ue <= 440 V
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Interlocking type
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Mechanical
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Mounting support
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Rail
Plate
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Standards
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EN/IEC 60947-4-1
GB/T 14048.4
UL 60947-4-1
CSA C22.2 No 60947-4-1
JIS C8201-4-1
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Product certifications
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CB Scheme
CCC
UL
CSA
EAC
CE
UKCA
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Connections - terminals
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Screw clamp terminals 1 cable(s) 1.5…4 mm²solid
Screw clamp terminals 1 cable(s) 0.75…4 mm²flexible without cable end
Screw clamp terminals 1 cable(s) 0.34…2.5 mm²flexible with cable end
Screw clamp terminals 2 cable(s) 1.5…4 mm²solid
Screw clamp terminals 2 cable(s) 0.75…4 mm²flexible without cable end
Screw clamp terminals 2 cable(s) 0.34…1.5 mm²flexible with cable end
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Tightening torque
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0.8…1.3 N.m - on screw clamp terminals Philips No 2
0.8…1.3 N.m - on screw clamp terminals flat Ø 6 mm
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Operating time
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10...20 ms coil energisation and NO closing
10...20 ms coil de-energisation and NO opening
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Safety reliability level
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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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Mechanical durability
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5 Mcycles
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Maximum operating rate
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3600 cyc/h
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IP degree of protection
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IP20 conforming to VDE 0106
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Protective treatment
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TC conforming to IEC 60068
TC conforming to DIN 50016
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Ambient air temperature for operation
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-25…50 °C
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Ambient air temperature for storage
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-50…80 °C
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Operating altitude
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2000 m without derating
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Flame retardance
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V1 conforming to UL 94
Requirement 2 conforming to NF F 16-101
Requirement 2 conforming to NF F 16-102
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Mechanical robustness
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Shocks contactor closed, on X axis: 10 Gn for 11 ms conforming to IEC 60068-2-27
Shocks contactor closed, on Y axis: 15 Gn for 11 ms conforming to IEC 60068-2-27
Shocks contactor closed, on Z axis: 15 Gn for 11 ms conforming to IEC 60068-2-27
Shocks contactor opened, on X axis: 6 Gn for 11 ms conforming to IEC 60068-2-27
Shocks contactor opened, on Y axis: 10 Gn for 11 ms conforming to IEC 60068-2-27
Shocks contactor opened, on Z axis: 10 Gn for 11 ms conforming to IEC 60068-2-27
Vibrations contactor closed: 4 Gn, 5...300 Hz conforming to IEC 60068-2-6
Vibrations contactor opened: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6
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Height
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58 mm
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Width
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90 mm
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Depth
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57 mm
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Net weight
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0.38 kg
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EU RoHS Declaration