High-current contactor for non-inductive loads, ensuring reliable and efficient control with a 1250A current rating.
Product ModelLC1F1250
Product ID33031
Stock on Request
Last updated: 8/29/2026
Key Features
1
FeatureHigh Current Rating
2
FeatureNon-Inductive Load Compatibility
3
FeatureFlexible Coil Installation
4
FeatureWide Operating Frequency Range
5
FeatureHigh Voltage Capability
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Specifications may be subject to change without notice
Parameter
Value
Parameter
Value
Range
TeSys
Product name
TeSys F
Product or Component Type
Contactor
Device short name
LC1F
Contactor application
Resistive load
Utilisation category
AC-1
Poles description
3P
power pole contact composition
3 NO
[Ue] rated operational voltage
<= 690 V AC 50/60 Hz
[Ie] rated operational current
1260 A 104 °F (40 °C)) <= 440 V AC-1
[Uc] control circuit voltage
110...600 V AC 40...400 Hz with LX1/LX9 coil28...250 V DC with LX4 coil
[Uimp] rated impulse withstand voltage
8 kV
Overvoltage category
III
[Ith] conventional free air thermal current
1260 A (at 104 °F (40 °C))
Irms rated making capacity
1890 A conforming to IEC 60947-4-1
Rated breaking capacity
1890 A conforming to IEC 60947-4-1
[Icw] rated short-time withstand current
3000 A 104 °F (40 °C) - 3 min5200 A 104 °F (40 °C) - 30 s4000 A 104 °F (40 °C) - 1 min2000 A 104 °F (40 °C) - 10 min8000 A 104 °F (40 °C) - 10 s
Associated fuse rating
1400 A gG at <= 440 V for power circuit
Average impedance
0.12 mOhm - Ith 1260 A 50 Hz
[Ui] rated insulation voltage
1000 V IEC 60947-4-1 1500 V VDE 0110 group C
Power dissipation per pole
120 W AC-1
Control circuit voltage limits
Operational: 0.85...1.1 Uc AC 40...400 Hz with LX1/LX9 coilDrop-out: 0.25...0.5 Uc AC 40...400 Hz with LX1/LX9 coilOperational: 0.85...1.1 Uc DC with LX4 coilDrop-out: 0.2...0.35 Uc DC with LX4 coil
Heat dissipation
20 W
Operating time
40...80 ms closing with LX1/LX9 coil100...200 ms opening with LX1/LX9 coil60...70 ms closing with LX4 coil40...50 ms opening with LX4 coil
1500...1730 VA, 40...400 Hz cos phi 0.9 (at 68 °F (20 °C))with LX1/LX9 coil1420...1920 VA (at 68 °F (20 °C))with LX4 coil
Hold-in power consumption in VA
20...25 VA, 40...400 Hz cos phi 0.9 (at 68 °F (20 °C))with LX1/LX9 coil6.5...12.5 VA (at 68 °F (20 °C))with LX4 coil
Maximum operating rate
1200 cyc/h 131 °F (55 °C)
Protective treatment
TH
Ambient Air Temperature for Operation
23...104 °F (-5...40 °C)
Ambient Air Temperature for Storage
-76...176 °F (-60...80 °C)
Permissible ambient air temperature around the device
-40...140 °F (-40...60 °C)
Operating altitude
9842.52 ft (3000 m) without derating
Mechanical robustness
Vibrations contactor open2 Gn, 5...300 HzVibrations contactor closed4 Gn, 5...300 HzShocks contactor open6 Gn for 1/2 sine wave (11 ms)Shocks contactor closed15 Gn for 1/2 sine wave (11 ms)
