Telemecanique TeSys D LC1 D18 Contactor (Schneider Electric)

Telemecanique TeSys D LC1 D18 Contactor (Schneider Electric)

Product Description

The LC1 D18 magnetic contactor from the TeSys D series is a reliable switching device designed for controlling three-phase electric motors and other inductive loads. This model combines compactness and high electrical durability, making it ideal for automation panels, ventilation systems, and industrial production lines.

Main Technical Parameters

Switching Capabilities (AC-3):

• At 230 V: controlling motors up to 4 kW.

• At 400 V: controlling motors up to 7.5 kW.

• At 500–690 V: controlling motors up to 10 kW.

Electrical Specifications:

• Rated Current (AC-3 Mode): 18 Amps.

• Thermal current (I_{th}): 32 Amperes (at temperatures up to 40°C).

• Control coil voltage: 230 V AC, 50/60 Hz.

• Coil marking: P7 (LX1 D P7).

• Insulation voltage (U_i): 690 V.

• Impulse voltage (U_{imp}): 6 kV.

Contact configuration:

• Power contacts: 3 poles (NO - normally open).

• Built-in auxiliary contacts: 1 NO (normally open) + 1 NC (normally closed).

Installation and connection

Connection parameters:

• Wire used: Copper (CU), AWG 8–18. • Recommended insulation strip length: 8 mm (5/16").

• Power terminal tightening torque: 1.7 N⋅m (15 lb.in).

• Auxiliary contact tightening torque (A1, A2): 1.7 N⋅m.

Safety and Standards:

The contactor fully complies with international standards: IEC/EN 60947, VDE 0660, BS 5424. The device is suitable for operation in networks with short-circuit currents up to 5000 RMS, provided that it is protected by appropriate fuses (NTD).

Model Advantages

• Efficient Control: Built-in auxiliary contacts (1 NO + 1 NC) allow the creation of interlocking and indication circuits without the need for additional modules.

• Standard Power Supply: The popular 230 V coil voltage makes the device universally suitable for most panelboard systems.

• High Reliability: The mechanism is designed for millions of operating cycles under normal operating conditions.

• Convenient Maintenance: Easy access to terminals The coil and power clamps speed up installation and maintenance.

Country of origin: France.

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