Schneider LC1D25B7 Contactor, TeSys Deca 3P 25A 11kW 24VAC 1NO+1NC

The Schneider Electric LC1D25B7 is a TeSys D 3-pole contactor designed for motor control and resistive load switching, rated at 25 A (AC-3) up to 440 V AC with a 24 V AC 50/60 Hz control coil. It supports motor loads up to 11 kW at 380-400 V AC and delivers 15 million mechanical operating cycles for long service life.

Technical specifications:

• Commercial reference: LC1D25B7
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys Deca
• Product type: Contactor
• Number of poles: 3P (3 NO)
• Rated current [Ie]: 25 A at 440 V AC, AC-3 / 40 A at 440 V AC, AC-1
• Rated supply voltage [Ue]: up to 690 V AC (25-400 Hz) / up to 300 V DC
• Control circuit voltage [Uc]: 24 V AC 50/60 Hz
• Utilisation categories: AC-1, AC-3, AC-3e, AC-4
• Motor power (AC-3): 5.5 kW at 220-230 V / 11 kW at 380-400 V / 11 kW at 415-440 V / 15 kW at 500 V / 15 kW at 660-690 V
• Auxiliary contact composition: 1 NO + 1 NC
• Making capacity [Irms]: 450 A at 440 V, conforming to IEC 60947
• Rated breaking capacity: 450 A at 440 V, conforming to IEC 60947
• Rated insulation voltage [Ui]: 690 V (IEC 60947-4-1) / 600 V (UL, CSA)
• Rated impulse withstand voltage [Uimp]: 6 kV, conforming to IEC 60947
• Mechanical durability: 15 million operating cycles
• Electrical durability: 1.65 million cycles at 25 A AC-3, 440 V
• Operating cycle rate: 3600 cycles/h at 60 °C
• Closing/opening time: 12-22 ms / 4-19 ms
• Inrush power: 70 VA at 50/60 Hz, cos phi 0.75
• Holding power: 7-7.5 VA at 50/60 Hz, cos phi 0.3
• Connection type: Screw terminal blocks - control circuit 1-4 mm², power circuit 2.5-10 mm²
• Overvoltage category: III
• Pollution degree: 3
• Safety reliability level: B10d = 1,369,863 cycles (rated load) per EN/ISO 13849-1

Features and benefits:

• Wide motor power range from 5.5 kW to 15 kW across standard supply voltages (220 V to 690 V AC)
• Integrated 1 NO + 1 NC auxiliary contact for control and signalling circuits
• Exceptional mechanical durability of 15 million cycles reduces maintenance and replacement costs
• Compatible with LC1D accessories including add-on auxiliary contact blocks and suppressor modules
• UL and CSA certified in addition to IEC conformity, supporting international installations
• Low holding power consumption (7-7.5 VA) minimises energy use in continuous operation

Applications:

• Direct-on-line motor starters for pumps, fans, and compressors in industrial facilities
• Resistive load switching in heating and lighting control panels
• Motor control centres (MCC) and industrial automation switchgear assemblies
• Star-delta starter configurations using multiple LC1D contactors
• Building services and HVAC motor control applications

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

Also known as: Schneider LC1D25B7, Schneider Electric LC1D25B7, TeSys D 25A contactor, 3-pole AC contactor 24V coil.