Schneider LC1D12B7 TeSys Deca Contactor 3P 12 A 440V 24V AC 50/60Hz Coil

The Schneider Electric LC1D12B7 is a TeSys D series 3-pole AC contactor rated at 12 A (AC-3) up to 440 V AC, controlled by a 24 V AC 50/60 Hz coil. Designed for motor control and resistive load switching, it delivers up to 5.5 kW at 380-400 V AC and offers a mechanical endurance of 15 million operating cycles.

Technical specifications:

• Commercial reference: LC1D12B7
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys Deca
• Product type: Contactor
• Number of poles: 3P (3 NO)
• Rated current [Ie]: 12 A at 440 V AC (AC-3), 25 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
• Usage categories: AC-1, AC-3, AC-3e, AC-4
• Motor power rating: 5.5 kW at 380-400 V AC 50/60 Hz (AC-3)
• Rated breaking capacity: 250 A at 440 V (IEC 60947)
• Rated insulation voltage [Ui]: 690 V (IEC 60947-4-1), 600 V UL/CSA
• Rated impulse withstand voltage [Uimp]: 6 kV (IEC 60947)
• Overvoltage category: III
• Mechanical endurance: 15 million cycles
• Electrical endurance: 2 million cycles at 12 A AC-3, 440 V
• Operating frequency: up to 3600 cycles/h at 60 °C
• Closing/opening time: 12-22 ms / 4-19 ms
• Auxiliary contact composition: 1 NO + 1 NC
• Connection type: screw terminal blocks, 1-4 mm² (power and control circuits)
• Tightening torque: 1.7 N.m
• Pollution degree: 3

Features and benefits:

• Wide usage category support (AC-1, AC-3, AC-3e, AC-4) suits diverse motor and resistive load applications.
• High mechanical endurance of 15 million cycles ensures long service life in demanding switching applications.
• Screw terminal blocks accept 1-4 mm² flexible and solid conductors for flexible wiring options.
• Integrated 1 NO + 1 NC mechanically linked auxiliary contact for control and signalling circuits.
• B10d safety reliability level of 1,369,863 cycles under rated load per EN/ISO 13849-1.

Applications:

• Motor control panels for pumps, fans, and compressors up to 5.5 kW at 400 V.
• Industrial automation switchboards requiring frequent contactor switching.
• Resistive load switching in commercial and industrial electrical installations.
• Machine control circuits where AC-3 or AC-4 switching categories are required.

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

Also known as: Schneider LC1D12B7, Schneider Electric LC1D12B7, TeSys D contactor 12A, AC contactor 24V coil.