LC1F780U7
Product ID:32987
Updated: 2026/7/15
Key Features
- 1Deliver high-performance AC-3 rated operation for currents up to 780A at <=440V.
- 2Ensure reliable control with a robust 3P (3NO) contact configuration.
- 3Suit a wide range of demanding industrial motor control applications.
- 4Save valuable panel space using a compact 434x702x255 mm design.
- 5Operate safely in various environments with an IP20 protection enclosure.
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Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Range | TeSys | Range of Product | TeSys F |
| Product or Component Type | Contactor | Device short name | LC1F |
| Contactor application | Resistive load<br />Motor control | Utilisation category | AC-1<br />AC-4<br />AC-3 |
| Poles description | 3P | [Ue] rated operational voltage | <= 1000 V AC 50/60 Hz<br /><= 460 V DC |
| [Uc] control circuit voltage | 240 V AC 40...400 Hz | [Ie] rated operational current | 1600 A (at <104 °F (40 °C)) at <= 440 V AC AC-1<br />780 A (at <131 °F (55 °C)) at <= 440 V AC AC-3 |
| [Uimp] rated impulse withstand voltage | 8 kV | [Ith] conventional free air thermal current | 1600 A (at 104 °F (40 °C)) |
| Rated breaking capacity | 6240 A conforming to IEC 60947-4-1 | [Icw] rated short-time withstand current | 3000 A 104 °F (40 °C) - 3 min<br />6250 A 104 °F (40 °C) - 10 s<br />5600 A 104 °F (40 °C) - 30 s<br />4600 A 104 °F (40 °C) - 1 min<br />2200 A 104 °F (40 °C) - 10 min |
| Associated fuse rating | 1600 A gG at <= 440 V<br />800 A aM at <= 440 V | Average impedance | 0.1 mOhm - Ith 1600 A 50 Hz |
| [Ui] rated insulation voltage | 1000 V IEC 60947-4-1<br /> 1500 V VDE 0110 group C | Power dissipation per pole | 250 W AC-1<br />60 W AC-3 |
| Overvoltage category | III | power pole contact composition | 3 NO |
| Motor power kW | 450 kW at 1000 V AC 50/60 Hz (AC-3)<br />400 kW at 380...400 V AC 50/60 Hz (AC-3)<br />425 kW at 415 V AC 50/60 Hz (AC-3)<br />425 kW at 440 V AC 50/60 Hz (AC-3)<br />450 kW at 500 V AC 50/60 Hz (AC-3)<br />475 kW at 660...690 V AC 50/60 Hz (AC-3)<br />220 kW at 220...230 V AC 50/60 Hz (AC-3)<br />110 kW at 400 V AC 50/60 Hz (AC-4) | Control circuit voltage limits | Operational 0.85...1.1 Uc 40...400 Hz 131 °F (55 °C))<br />Drop-out 0.2...0.4 Uc 40...400 Hz 131 °F (55 °C)) |
| Mechanical durability | 5 Mcycles | Inrush power in VA | 2100 VA, 40...400 Hz 0.9 68 °F (20 °C)) |
| Hold-in power consumption in VA | 50 VA, 40...400 Hz 0.9 68 °F (20 °C)) | Maximum operating rate | 600 cyc/h 131 °F (55 °C) |
| Operating time | 40...80 ms closing<br />130...230 ms opening | Connections - terminals | Control circuit screw clamp terminals 1 0.002…0.006 in² (1…4 mm²)flexible without cable end<br />Control circuit screw clamp terminals 2 0.002…0.006 in² (1…4 mm²)flexible without cable end<br />Control circuit screw clamp terminals 1 0.002…0.006 in² (1…4 mm²)flexible with cable end<br />Control circuit screw clamp terminals 2 0.002…0.004 in² (1…2.5 mm²)flexible with cable end<br />Control circuit screw clamp terminals 1 0.002…0.006 in² (1…4 mm²)solid without cable end<br />Control circuit screw clamp terminals 2 0.002…0.006 in² (1…4 mm²)solid without cable end<br />Power circuit bar 2 100 x 5 mm<br />Power circuit bolted connection |
| Tightening torque | Control circuit 10.6 lbf.in (1.2 N.m)<br />Power circuit 513.3 lbf.in (58 N.m) | Mounting Support | Plate |
| Heat dissipation | 44 W | motor power range | 250…500 kW 380…440 V 3 phase<br />110…220 kW 200…240 V 3 phase<br />250…500 kW 480…500 V 3 phase |
| Motor starter type | Direct on-line contactor | Contactor coil voltage | 240 V AC standard |
| Standards | EN 60947-1<br />IEC 60947-4-1<br />JIS C8201-4-1<br />EN 60947-4-1<br />IEC 60947-1 | Product Certifications | UL<br />CB<br />CSA<br />ABS<br />BV<br />RMRoS<br />RINA<br />LROS (Lloyds register of shipping)<br />DNV |
| compatibility code | LC1F | Control circuit type | AC 40...400 Hz |
| IP degree of protection | IP20 front face with shrouds IEC 60529<br />IP20 front face with shrouds VDE 0106 | Protective treatment | TH |
| Ambient Air Temperature for Operation | 23…131 °F (-5…55 °C) | Ambient Air Temperature for Storage | -76…176 °F (-60…80 °C) |
| Permissible ambient air temperature around the device | -40…158 °F (-40…70 °C) | Height | 17.09 in (434 mm) |
| Width | 27.6 in (702 mm) | Depth | 10.04 in (255 mm) |
| Operating altitude | 9842.52 ft (3000 m) without derating | Net Weight | 87.08 lb(US) (39.5 kg) |
Specifications may be subject to change without notice
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