Schneider LC1D18BL TeSys Deca Contactor 18 A 440V 24V DC (low consumption) Coil

The Schneider Electric LC1D18BL is a 3-pole TeSys D series contactor rated 18 A at 440 V AC (AC-3), driven by a 24 V DC low-consumption coil. Suitable for usage categories AC-1, AC-3, AC-3e, and AC-4, it controls motors up to 7.5 kW at 400 V and 9 kW at 440 V (50/60 Hz).

Technical specifications:

• Commercial reference: LC1D18BL
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys Deca
• Number of poles: 3P (3 NO)
• Rated current [Ie]: 18 A (AC-3), 32 A (AC-1) at up to 440 V AC
• Rated supply voltage: up to 690 V AC (25-400 Hz) / 300 V DC
• Control circuit voltage [Uc]: 24 V DC, low consumption
• Motor power: 7.5 kW / 400 V, 9 kW / 440 V, 10 kW / 500 V (AC-3, 50/60 Hz)
• Rated insulation voltage [Ui]: 690 V (IEC 60947-4-1); 600 V (UL/CSA)
• Impulse withstand voltage [Uimp]: 6 kV (IEC 60947)
• Rated breaking capacity: 300 A at 440 V (IEC 60947)
• Conventional thermal current [Ith]: 32 A at 60°C (power circuit)
• Auxiliary contacts: 1 NO + 1 NC (mechanically linked, IEC 60947-5-1); mirror contact 1 NC (IEC 60947-4-1)
• Power circuit terminals: screw blocks 1.5-6 mm²; control circuit 1-4 mm²; tightening torque 1.7 N.m
• Mechanical durability: 30 million cycles; electrical durability: 1.65 million cycles (18 A AC-3)
• Max operating rate: 3600 cycles/h at 60°C
• Overvoltage category III; pollution degree 3

Features and benefits:

• Built-in bidirectional coil limiter enables low-consumption 24 V DC operation without external suppressors
• Integrated mirror contact (1 NC) per IEC 60947-4-1 supports safety circuit verification of contactor state
• 30 million mechanical cycles and 1.65 million electrical cycles deliver extended service life in demanding duty
• Compatible with the LC1D accessories range for flexible, modular panel assembly
• Closing time 77 ms and opening time 25 ms ensure consistent, predictable switching

Applications:

• Starting and stopping industrial motors up to 10 kW in automation panels
• HVAC and pump motor control in commercial and industrial buildings
• Machine tool and conveyor motor switching in manufacturing environments
• Safety-rated control panels requiring mirror contact state monitoring

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

Also known as: Schneider LC1D18BL, Schneider Electric LC1D18BL, TeSys D contactor 18A 24VDC, LC1D18BL motor contactor.