Schneider LC1D50AB7 Contactor, TeSys Deca 3P 50A 22kW 24VAC 1NO+1NC

The Schneider Electric LC1D50AB7 is a 3-pole AC contactor from the TeSys Deca series, rated at 50 A (AC-3) with a 24 V AC 50/60 Hz control coil for motor control and resistive load switching. It supports AC-1, AC-3, AC-3e, and AC-4 usage categories on power circuits up to 690 V AC.

Technical specifications:

• Commercial reference: LC1D50AB7
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys D / TeSys Deca
• Product type: Contactor
• Number of poles: 3P (3 NO)
• Rated current (Ie): 50 A AC-3, 50 A AC-3e, 80 A AC-1 (at <= 440 V AC, below 60°C)
• Rated voltage (Ue): <= 690 V AC 25-400 Hz / <= 300 V DC
• Control circuit voltage (Uc): 24 V AC 50/60 Hz
• Motor power: 22 kW at 380-400 V AC (AC-3); 30 kW at 440-500 V AC (AC-3)
• Breaking capacity: 900 A at 440 V (IEC 60947)
• Rated impulse withstand voltage (Uimp): 6 kV (IEC 60947)
• Rated insulation voltage (Ui): 690 V (IEC 60947-4-1); 600 V (UL/CSA)
• Overvoltage category: III, pollution degree 3
• Mechanical durability: 6 million cycles
• Electrical durability: 1.45 million cycles at 50 A AC-3 (<= 440 V)
• Maximum operating rate: 3600 cycles/h at 60°C
• Closing time: 12-26 ms; opening time: 4-19 ms
• Power circuit connection: screw terminal, 1-35 mm² single / 1-25 mm² double
• Control circuit connection: screw terminal blocks, 1-4 mm²
• Tightening torque: power circuit 5-8 N.m; control circuit 1.7 N.m

Features and benefits:

• Handles motor loads up to 22 kW at 400 V and 30 kW at 440-500 V under AC-3 category
• Safety reliability B10d of 20 million mechanical cycles, compliant with EN/ISO 13849-1
• Compatible with LC1D series accessories and auxiliary contact blocks
• Fast switching response: closes in 12-26 ms, opens in 4-19 ms
• Supports both single-phase and three-phase motor applications up to 40 hp (460/480 V)

Applications:

• Direct-on-line motor starters for pumps, fans, and compressors
• Industrial machine control panels requiring high-cycle switching
• HVAC motor control and building automation systems
• Resistive load switching in industrial heating and process control panels

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

Also known as: Schneider LC1D50AB7, Schneider Electric LC1D50AB7, TeSys D 3-pole contactor 50A 24VAC.