Schneider LC1D80B7 Contactor, TeSys Deca 3P 80A 37kW 24VAC 1NO+1NC

The LC1D80B7 is a 3-pole TeSys Deca contactor from Schneider Electric, rated at 80 A under AC-3 duty for motor control up to 440 V AC with a 24 V AC 50/60 Hz coil. It handles motors up to 37 kW at 380-400 V and up to 55 kW at 500 V under AC-3, and includes integrated 1 NO + 1 NC mechanically linked auxiliary contacts as standard. Suitable for AC-1, AC-3, AC-3e, and AC-4 usage categories.

Technical specifications:

• Commercial reference: LC1D80B7
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys Deca
• Product type: Contactor
• Number of poles: 3P (3 NO)
• Rated current [ie]: 80 A at <= 440 V AC (AC-3 / AC-3e), 125 A at <= 1000 V AC (AC-1)
• Rated voltage (power circuit): <= 690 V AC / <= 300 V DC (25-400 Hz)
• Control circuit voltage [Uc]: 24 V AC 50/60 Hz
• Motor power (AC-3): 22 kW at 220-230 V / 37 kW at 380-400 V / 45 kW at 415-440 V / 55 kW at 500 V
• Auxiliary contacts: 1 NO + 1 NC (mechanically linked, per IEC 60947-5-1)
• Thermal current [ith]: 125 A at 60°C (power circuit)
• Making / breaking capacity: 1100 A at 440 V (IEC 60947)
• Short-time withstand current [icw]: 990 A for 1 s / 640 A for 10 s (40°C, power circuit)
• Rated insulation voltage [ui]: 1000 V (IEC 60947-4-1)
• Rated impulse withstand voltage [uimp]: 8 kV (IEC 60947)
• Mechanical endurance: 4 million cycles
• Electrical endurance: 1.5 million cycles at 80 A AC-3
• Closing / opening time: 20-35 ms / 6-20 ms
• Maximum operating frequency: 3600 cycles/h at 60°C
• Power circuit connection: 4-50 mm² (terminal 1), 4-25 mm² (terminal 2)
• Control circuit connection: 1-4 mm² screw terminals
• Tightening torque: 12 N.m (power circuit), 1.2 N.m (control circuit)
• Overvoltage category: III
• Pollution degree: 3

Features and benefits:

• Integrated 1 NO + 1 NC auxiliary contacts ready for direct use in control and signalling circuits
• Wide motor rating range from 22 kW at 220 V to 55 kW at 500 V (AC-3)
• High mechanical endurance of 4 million cycles and electrical endurance of 1.5 million cycles at rated load
• Coil operating range of 0.8-1.1 Uc ensures reliable pick-up and hold in fluctuating supply conditions
• Safety reliability rated at B10d = 1,369,863 cycles under rated load per EN/ISO 13849-1

Applications:

• Direct-on-line (DOL) motor starters for 3-phase induction motors in industrial plants
• Reversing and star-delta starter assemblies in machine control panels
• Motor control centers (MCCs) for pump, compressor, and fan drives
• Resistive load switching and general-purpose industrial automation panels

Compliant with IEC 60947-4-1 and IEC 60947-5-1. Part of the Schneider Electric TeSys Deca range.

Also known as: Schneider LC1D80B7, Schneider Electric LC1D80B7, TeSys D 80A contactor, 3-pole AC contactor 24V coil.