Schneider LC1D18M7 TeSys Deca IEC Contactor 3P 18A 220V AC Coil

Schneider Electric TeSys Deca LC1D18M7 is a 3-pole (3 NO) IEC contactor for motor control and resistive load switching. Rated operational current 18 A (AC-3 at ≤440 V) with a 220 V 50/60 Hz AC coil. Includes 1 NO + 1 NC built-in auxiliary contacts; the NC contact is mirror certified for safety. Compact 45 mm width, supports DIN rail or panel mounting, and features multi‑standard screw clamp terminals (flat, Phillips, Pozidriv). Designed for industrial automation, OEM equipment, and building control systems.

Applications:

• Motor starting and stopping in industrial machinery

• Pump and compressor control

• HVAC system switching and regulation

• Lighting and resistive load management

• OEM equipment integration

Core Specifications

• Product type: IEC contactor, TeSys Deca series

• Number of poles: 3 (3 NO main contacts)

• [Ie] rated operational current: 18 A (at ≤440 V AC-3)

• [Ith] conventional free air thermal current: 32 A

• Coil voltage: 220 V AC 50/60 Hz

• Motor power rating (AC-3): 7.5 kW (380/400 V) | 9 kW (415/440 V) | 10 kW (500 V)

• Horsepower rating UL/CSA: 10 HP at 480 VAC, 15 HP at 600 VAC, 5 HP at 240 VAC, 5 HP at 200-208 VAC, 1 HP at 115 VAC single‑phase

• Built‑in auxiliary contacts: 1 NO + 1 NC (NC mirror certified for safety)

• Connection: Screw clamp terminals (control circuit 1‑4 mm² flexible with cable end)

• Enclosure: IP20 (front face)

Advanced Specifications

• Mechanical durability: 15 million cycles

• Electrical durability: 1 million cycles (AC-1 at 32 A)

• Operating rate: up to 3600 cycles per hour at 60°C

• [Uimp] rated impulse withstand voltage: 6 kV

• [Icw] short‑time withstand current: 100 A for 1 second (signalling circuit)

• Ambient air temperature: -40…60°C operation, -60…80°C storage

• Operating altitude: up to 3000 m without derating

• Dimensions (H × W × D): 77 mm × 45 mm × 86 mm

• Weight: approx. 0.33‑0.352 kg

Standards & Compliance
Manufacturer certification: IEC 60947‑4‑1, UL 508, CSA C22.2 No 14, CCC, EAC, Marine approvals; Green Premium compliant (RoHS/REACh)

System Integration

• Belongs to the Schneider Electric TeSys Deca series (formerly TeSys D).

• Suitable for use with LR9, LRD, and LRE thermal overload relays for motor protection (select based on motor full load current).

• Mounts on 35 mm DIN rail or directly on panel using fixing holes.

• Compatible with TeSys Deca auxiliary contact blocks and timer modules for expanded functionality.

Related Products (upgrade path)

• Lower power → LC1D12M7 (12 A, 5.5 kW at 400 V)

• Current model → LC1D18M7 (18 A, 7.5 kW at 400 V)

• Higher power → LC1D25M7 (25 A, 11 kW at 400 V)

• Complementary overload relay → LRD07 (7‑10 A LRD) / LRD10 (9‑13 A LRD) / LRD12 (11‑16 A LR9-E series) — verify with thermal relay datasheets.