Schneider LC1D18BD TeSys Deca Contactor 3P 18 A 440V 24V DC Coil

The Schneider Electric LC1D18BD is a 3-pole TeSys D DC-coil contactor rated at 18 A AC-3 at up to 440 V AC, controlled by a 24 V DC coil. Designed for motor control and resistive load switching, it supports usage categories AC-1, AC-3, AC-3e, and AC-4, and is capable of driving motors up to 7.5 kW at 400 V AC in standard AC-3 duty.

Technical specifications:

• Commercial reference: LC1D18BD
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys Deca
• Number of poles: 3P (3 NO)
• Rated current [Ie]: 18 A AC-3 / AC-3e at <= 440 V AC; 32 A AC-1 at <= 440 V AC (below 60 °C)
• Rated voltage [Ue]: <= 690 V AC (25-400 Hz); <= 300 V DC
• Control coil voltage [Uc]: 24 V DC
• Motor power AC-3: 4 kW / 230 V; 7.5 kW / 400 V; 9 kW / 440 V; 10 kW / 690 V
• Rated insulation voltage [Ui]: 690 V per IEC 60947-4-1; 600 V UL / CSA certified
• Rated impulse withstand voltage [Uimp]: 6 kV per IEC 60947
• Rated breaking capacity: 300 A at 440 V per IEC 60947
• Auxiliary contacts: 1 NO + 1 NC, mechanically linked per IEC 60947-5-1
• Conventional thermal current [Ith]: 32 A for power circuit at 60 °C
• Closing / opening time: 63 ms / 20 ms
• Maximum operating rate: 3600 cycles/h at 60 °C
• Mechanical durability: 30 million cycles
• Electrical durability: 1.65 million cycles at 18 A AC-3
• Power circuit terminals: screw clamp, 1.5-6 mm²
• Control circuit terminals: screw clamp, 1-4 mm²
• Tightening torque: 1.7 N.m
• Pollution degree: 3; Overvoltage category: III

Features and benefits:

• Built-in DC coil suppressor for clean switching and reduced electrical interference
• Wide operational voltage range of 0.7-1.25 x Uc supports stable performance from -40 to 60 °C
• Mirror contact (1 NC) per IEC 60947-4-1 enables reliable safety circuit monitoring
• Supports Type 1 (50 A gG) and Type 2 (35 A gG) fuse coordination at up to 690 V
• High safety reliability: B10d = 20 million mechanical cycles per EN/ISO 13849-1

Applications:

• Direct-on-line and reversing motor starters in industrial control panels
• Motor control centers in manufacturing and process automation
• HVAC compressor and pump control in commercial installations
• Machine tool and conveyor drive control where a 24 V DC control supply is available

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

Also known as: Schneider LC1D18BD, Schneider Electric LC1D18BD, TeSys D 3-pole contactor, 24V DC coil motor contactor.