Telemecanique TeSys D LC1 D12 (Schneider Electric)

Telemecanique TeSys D LC1 D12 Contactor (Schneider Electric)

Product Description

The LC1 D12 magnetic contactor from the TeSys D series is a compact and reliable device for switching power circuits. It is specifically designed for controlling low-power electric motors and other inductive loads.

Thanks to its high switching durability and ability to operate in heavy-duty (AC-3) conditions, this device is an ideal choice for automatic starting and industrial equipment protection systems.

Main Technical Parameters

Switching Capabilities (AC-3):

• At 230 V: controlling motors up to 3 kW.

• At 400 V: controlling motors up to 5.5 kW.

• At 500–690 V: controlling motors up to 7.5 kW.

Electrical Specifications:

• Rated Current (AC-3 Mode): 12 Amps.

• Thermal current (I_{th}): 25 Amps (at temperatures up to 40°C).

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

• Insulation voltage (U_i): 690 V.

• Impulse withstand 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 10–18. • Recommended insulation strip length: 8 mm (5/16").

• Tightening torque for power and auxiliary terminals: 1.7 N⋅m (15 lb⋅in).

• Mounting method: On a standard 35 mm DIN rail or with screws on a mounting panel.

Safety and standards:

The device complies with international safety standards IEC 947, EN 60947, VDE 0660, and BS 5424. The terminal design provides protection against direct contact with live parts, which increases safety during operation and maintenance.

Model advantages

• High mechanical strength: The mechanism is designed for a long service life even at a high switching frequency.

• Universal control: A standard 230 V coil allows the contactor to be used without intermediate transformers in most control circuits.

• Integrated auxiliary contacts: The presence of built-in 1NO+1NC contacts simplifies the implementation of automation and signaling circuits.

• Compact design: Takes up minimal space space in the distribution cabinet while ensuring high switching reliability.

Country of origin: France.

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