Schneider LC1D115B7 Contactor, TeSys Deca 3P 115A 55kW 24VAC 1NO+1NC

The Schneider Electric LC1D115B7 is a TeSys D series 3-pole contactor designed for motor control applications. Rated at 115 A (AC-3) at up to 440 V AC, it features a 24 V AC 50/60 Hz control coil and is suitable for motors up to 55 kW at 380-400 V AC. The contactor carries a built-in bidirectional voltage limiter and integrated auxiliary contacts as standard.

Technical specifications:

• Commercial reference: LC1D115B7
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys D (TeSys Deca)
• Product type: Contactor
• Number of poles: 3P (3 NO)
• Rated current [Ie]: 115 A at 440 V AC - AC-3 / AC-3e; 200 A at 440 V AC - AC-1
• Rated supply voltage [Ue]: up to 1000 V AC (25-400 Hz); up to 300 V DC
• Control circuit voltage [Uc]: 24 V AC 50/60 Hz
• Motor power (AC-3): 55 kW at 380-400 V; 75 kW at 500 V; 80 kW at 660-690 V
• Motor power (HP, UL/CSA): up to 100 hp at 575/600 V (3-phase)
• Rated insulation voltage [Ui]: 1000 V (IEC 60947-4-1); 600 V (UL/CSA)
• Rated impulse withstand voltage [Uimp]: 8 kV (IEC 60947)
• Rated breaking capacity: 1100 A at 440 V (IEC 60947)
• Making capacity [Irms]: 1260 A at 440 V (IEC 60947)
• Conventional thermal current [Ith]: 200 A at 60 °C
• Auxiliary contact composition: 1 NO + 1 NC
• Coil technology: Built-in bidirectional limiter
• Operating frequency: AC 50/60 Hz
• Maximum operating rate: 2400 cycles/h at 60 °C
• Mechanical durability: 8 million cycles
• Electrical durability: 0.95 million cycles at 115 A AC-3, 440 V
• Power circuit connection: screw terminals, 10-120 mm² (terminal 1); 10-50 mm² (terminal 2)
• Control circuit connection: screw terminals, 1-2.5 mm²
• Tightening torque (power circuit): 12 N.m
• Associated fuse: 200 A gG at 690 V (type 2 coordination)
• Overvoltage category: III
• Pollution degree: 3
• Standard: IEC 60947-4-1

Features and benefits:

• Built-in bidirectional coil voltage limiter for reduced electromagnetic interference and extended coil life
• Wide motor power range: suitable for 3-phase motors from 30 kW up to 80 kW depending on supply voltage
• Integrated 1 NO + 1 NC auxiliary contact included as standard, eliminating the need for additional auxiliary contact blocks in basic applications
• High mechanical durability of 8 million operating cycles, ensuring long service life in demanding switching applications
• Broad cable connection range on power terminals (10-120 mm²) accommodating flexible installation requirements
• Safety reliability level B10d = 684,932 cycles under rated load per EN/ISO 13849-1, supporting functional safety assessments

Applications:

• Direct-on-line (DOL) motor starting and control in industrial motor control centers
• Resistive load switching in industrial automation and process control panels
• Star-delta or reversing starter assemblies in pump and fan drive systems
• Heavy-duty motor control in HVAC, compressor, and conveyor applications
• Industrial switchgear and control gear assemblies in manufacturing facilities

Compliant with IEC 60947-4-1 and IEC 60947-5-1, UL and CSA certified. Part of the Schneider Electric TeSys D (TeSys Deca) range.

Also known as: Schneider LC1D115B7, Schneider Electric LC1D115B7, TeSys D 115A contactor, 3-pole AC contactor 24VAC coil.