schneider LC2K1201B72

Selling Points

  • 1Highly Reliable: Designed for robust performance in motor control and resistive load applications.
  • 2Versatile Configuration: 3NO contact configuration with 1NC auxiliary contact for flexible setup.
  • 3Compact Design: Dimensions of 2.28 in H x 3.54 in W x 2.24 in D for easy installation.
  • 4Comprehensive Safety: Meets IP20 standards for finger-safe terminals and operates within -25 to 50°C.
  • 5Easy Installation: Mountable on 35 mm DIN rail or panel mount with screws, ensuring quick setup.
Product Details
LC2K1201B72
schneider

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Range
TeSys
Product name
TeSys K
Product or Component Type
Reversing contactor
Device short name
LC2K
Device Application
Control
Contactor application
Motor control<br />Resistive load
Utilisation category
AC-1<br />AC-4<br />AC-3<br />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<br />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<br />16 A (at <158 °F (70 °C)) at 690 V AC AC-1 for power circuit<br />12 A at <= 440 V AC AC-3 for power circuit<br />12 A at <= 440 V AC AC-3e for power circuit
Motor power kW
4 kW 480 V AC 50/60 Hz<br />4 kW 500...600 V AC 50/60 Hz<br />4 kW 660...690 V AC 50/60 Hz<br />3 kW 220...230 V AC 50/60 Hz<br />5.5 kW 380...415 V AC 50/60 Hz<br />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 NC
[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<br />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<br />144 A at 690 V AC for power circuit conforming to IEC 60947<br />110 A AC for signalling circuit conforming to IEC 60947
Rated breaking capacity
110 A at 440 V conforming to IEC 60947<br />80 A at 500 V conforming to IEC 60947<br />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<br />105 A 122 °F (50 °C) - 5 s for power circuit<br />100 A 122 °F (50 °C) - 10 s for power circuit<br />75 A 122 °F (50 °C) - 30 s for power circuit<br />55 A 122 °F (50 °C) - 1 min for power circuit<br />50 A 122 °F (50 °C) - 3 min for power circuit<br />80 A - 1 s for signalling circuit<br />90 A - 500 ms for signalling circuit<br />110 A - 100 ms for signalling circuit<br />25 A 122 °F (50 °C) - >= 15 min for power circuit
Associated fuse rating
25 A gG at <= 440 V for power circuit<br />25 A aM for power circuit<br />10 A gG for signalling circuit conforming to IEC 60947<br />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<br />Power circuit 690 V IEC 60947-4-1<br />Signalling circuit 690 V IEC 60947-4-1<br />Signalling circuit 690 V IEC 60947-5-1<br />Signalling circuit 600 V UL 508<br />Power circuit 600 V CSA C22.2 No 14<br />Signalling circuit 600 V CSA C22.2 No 14
Electrical durability
1.3 Mcycles 12 A AC-3 <= 440 V<br />1.3 Mcycles 12 A AC-3e <= 440 V<br />0.3 Mcycles 20 A AC-1 <= 690 V<br />0.02 Mcycles 72 A AC-4 <= 440 V
Interlocking type
Mechanical
Mounting Support
Rail<br />Plate
Standards
EN/IEC 60947-4-1<br />GB/T 14048.4<br />UL 60947-4-1<br />CSA C22.2 No 60947-4-1<br />JIS C8201-4-1
Product Certifications
CB Scheme<br />CCC<br />UL<br />CSA<br />EAC<br />CE<br />UKCA
Connections - terminals
screw clamp terminals 1 0.002…0.006 in² (1.5…4 mm²)solid<br /> screw clamp terminals 1 0.001…0.006 in² (0.75…4 mm²)flexible without cable end<br /> screw clamp terminals 1 0.0005…0.004 in² (0.34…2.5 mm²)flexible with cable end<br /> screw clamp terminals 2 0.002…0.006 in² (1.5…4 mm²)solid<br /> screw clamp terminals 2 0.001…0.006 in² (0.75…4 mm²)flexible without cable end<br /> screw clamp terminals 2 0.0005…0.002 in² (0.34…1.5 mm²)flexible with cable end
Tightening torque
7.08…11.5 lbf.in (0.8…1.3 N.m) screw clamp terminals Philips No 2<br /> 7.08…11.5 lbf.in (0.8…1.3 N.m) screw clamp terminals flat Ø 6 mm<br /> 7.08…11.5 lbf.in (0.8…1.3 N.m) screw clamp terminals pozidriv No 2
Operating time
10...20 ms coil energisation and NO closing<br />10...20 ms coil de-energisation and NO opening
Safety reliability level
B10d = 1369863 cycles contactor with nominal load EN/ISO 13849-1<br />B10d = 20000000 cycles contactor with mechanical load EN/ISO 13849-1
Mechanical durability
5 Mcycles
Maximum operating rate
3600 cyc/h
Coil technology
Built-in bidirectional peak limiting diode suppressor
Control circuit voltage limits
Operational: 0.8...1.15 Uc (at <122 °F (50 °C))<br />Drop-out: 0.2...0.75 Uc (at <122 °F (50 °C))
Inrush power in VA
30 VA (at 68 °F (20 °C))
Hold-in power consumption in VA
4.5 VA (at 68 °F (20 °C))
Heat dissipation
1.3 W
Auxiliary contacts type
Instantaneous 1 NC
Signalling circuit frequency
<= 400 Hz
Minimum switching current
5 mA for signalling circuit
Minimum switching voltage
17 V for signalling circuit
Non overlap distance
0.02 in (0.5 mm)
Insulation resistance
> 10 MOhm for signalling circuit
IP degree of protection
IP20 VDE 0106
Protective treatment
TC IEC 60068<br />TC DIN 50016
Ambient Air Temperature for Operation
-13…122 °F (-25…50 °C)
Ambient Air Temperature for Storage
-58…176 °F (-50…80 °C)
Operating altitude
6561.68 ft (2000 m) without derating
Flame retardance
V1 conforming to UL 94<br />Requirement 2 conforming to NF F 16-101<br />Requirement 2 conforming to NF F 16-102
Mechanical robustness
Shocks contactor closed, on X axis10 Gn for 11 ms IEC 60068-2-27<br />Shocks contactor closed, on Y axis15 Gn for 11 ms IEC 60068-2-27<br />Shocks contactor closed, on Z axis15 Gn for 11 ms IEC 60068-2-27<br />Shocks contactor opened, on X axis6 Gn for 11 ms IEC 60068-2-27<br />Shocks contactor opened, on Y axis10 Gn for 11 ms IEC 60068-2-27<br />Shocks contactor opened, on Z axis10 Gn for 11 ms IEC 60068-2-27<br />Vibrations contactor closed4 Gn, 5...300 Hz IEC 60068-2-6<br />Vibrations contactor opened2 Gn, 5...300 Hz IEC 60068-2-6
Height
2.3 in (58 mm)
Width
3.5 in (90 mm)
Depth
2.2 in (57 mm)
Net Weight
0.86 lb(US) (0.39 kg)

Specifications may be subject to change without notice