Schneider LC1D38B7 Contactor, TeSys Deca, 3P 38A 18,5kW 24VAC 3NO

The Schneider Electric LC1D38B7 is a TeSys D 3-pole contactor (3 NO) rated at 38 A AC-3 for power circuits up to 440 V AC, with a 24 V AC 50/60 Hz control coil. It handles motor control up to 18.5 kW at 380-400 V and supports usage categories AC-1, AC-3, AC-3e, and AC-4.

Technical specifications:

• Commercial reference: LC1D38B7
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys D / TeSys Deca
• Number of poles: 3P (3 NO)
• Rated current [Ie]: 38 A AC-3 / AC-3e; 50 A AC-1 at <= 440 V AC
• Rated voltage [Ue]: <= 690 V AC 25-400 Hz / <= 300 V DC
• Control coil voltage [Uc]: 24 V AC 50/60 Hz
• Motor power: 18.5 kW at 380-400 V AC (AC-3); 9 kW at 220-230 V AC (AC-3)
• Rated breaking capacity: 550 A at 440 V per IEC 60947
• Rated impulse withstand voltage [Uimp]: 6 kV per IEC 60947
• Rated insulation voltage [Ui]: 690 V per IEC 60947-4-1 (power circuit)
• Overvoltage category: III; pollution degree: 3
• Mechanical durability: 15 million cycles
• Electrical durability: 1.4 million cycles at 38 A AC-3, <= 440 V
• Auxiliary contact: 1 NO + 1 NC, mechanically linked
• Max. operating frequency: 3600 cycles/h at 60°C
• Power circuit connection: screw terminals 2.5-10 mm²
• Tightening torque: power circuit 2.5 N.m; control circuit 1.7 N.m

Features and benefits:

• Supports AC-1, AC-3, AC-3e, and AC-4 usage categories for broad application flexibility
• 15 million mechanical cycles and 1.4 million electrical cycles for long service life
• Integrated mechanically linked auxiliary contact (1 NO + 1 NC) for control circuit feedback
• Safety reliability B10d = 1,369,863 cycles per EN/ISO 13849-1
• Compatible with 63 A gG fuses for coordination type 1 and type 2 at <= 690 V

Applications:

• Three-phase motor starting and control in industrial automation panels up to 18.5 kW
• Resistive load switching in commercial and industrial installations
• Motor control centers and low-voltage switchgear assemblies
• Machinery control systems requiring AC-3 or AC-4 duty

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

Also known as: Schneider LC1D38B7, Schneider Electric LC1D38B7, TeSys D 38A contactor, 3-pole 24V AC contactor.