Overview
The Schneider Electric LC1F500U7 is a TeSys F three-pole contactor engineered for heavy-duty motor control and direct-on-line (DOL) applications in industrial automation systems. Rated at 500A continuous current with 250kW switching capacity at 380–440V AC-3, this contactor delivers the high performance required for controlling large induction motors and resistive loads in manufacturing, HVAC, compressor, and pump applications.
Key Features
- 500A rated current (AC-3 at 440V) with 250kW motor power capacity
- 3-pole, 3 normally open (3NO) contact configuration for three-phase motor control
- 240V AC coil voltage (50/60Hz) for standard industrial control circuits
- 10 million mechanical operations rating for extended service life
- 1000V rated operating voltage with 8kV impulse rating for robust switching
- Ring-lug or bar terminal options for flexible wiring integration
Technical Specifications
- Rated Current (AC-3): 500A at 440V
- Rated Motor Power: 250kW (380–400V AC); 280kW (415V AC); 295kW (440V AC); 335kW (660–690V AC)
- Coil Voltage: 240V AC, 40–400Hz
- Coil Power Consumption: Standard electromagnetic coil
- Contact Configuration: 3 poles / 3 normally open (3P/3NO)
- Mechanical Durability: 10,000,000 operations (no-load)
- Rated Operating Voltage (Ue): 1000V AC
- Rated Impulse Voltage (Uimp): 8kV
- Terminal Type: Ring-lug / bar terminals
- Series: TeSys F
- Utilisation Category: AC-3 (induction motor control, direct-on-line)
Typical Applications
- Induction motor starting and stopping (direct-on-line)
- Pump and compressor motor control
- HVAC system compressors and fan motors
- Industrial production line machinery
- Reversible contactor applications (via paired units)
- Power distribution and motor protection circuits
Compatibility & Replacements
Compatible With
- Schneider Electric TeSys motor starters and overload relays
- Industrial control systems rated 380–1000V AC
- Three-phase AC motor loads and resistive circuits
- Standard IEC motor control architectures
- Reversible contactor assemblies (paired LC1F units with mechanical interlock)
Replaces / Drop-In Replacement For
- Direct replacement within the TeSys F 500A contactor range
- Equivalent alternative: LC1F500M7 (with different coil voltage options)
- Verify mechanical and electrical compatibility with your system integrator before ordering to confirm terminal types and coil requirements.
Works With
- IEC industrial contactors and motor starters
- AC-3 duty motor control circuits
- Direct-on-line (DOL) soft-starters
- TeSys F mechanical interlock assemblies (LA9F interlocks, AM1 EC uprights)
- Standard industrial three-phase distribution panels (380–440V)
