SCHNEIDER ELECTRIC LC1 D6511

Schneider Electric LC1 D6511 TeSys D Contactor

Description

The Schneider Electric LC1 D6511 is a high-performance 3-pole contactor from the renowned TeSys D series. Designed for controlling motors and other electrical loads, it offers exceptional durability and reliability. This model is rated for an AC-3 operational current of 65A and can handle motors up to 30 kW at 400V. It includes one normally open (1NO) and one normally closed (1NC) auxiliary contact for feedback and interlocking circuits. Note: The coil voltage is not specified on this unit and must be determined separately.

Specifications

• Manufacturer: Schneider Electric
• Series: TeSys D
• Model: LC1 D6511
• Poles: 3-Pole
• AC-3 Utilization Category (65A): 18.5 kW at 230V, 30 kW at 400V, 37 kW at 500-690V
• Conventional Free Air Thermal Current (Ith): 80 A
• Rated Insulation Voltage (Ui): 1000 V
• Rated Impulse Withstand Voltage (Uimp): 8 kV
• Auxiliary Contacts: 1 NO + 1 NC

Label Info

• Standards: IEC/EN 60947-4-1, IEC/EN 60947-5-1
• Certifications: CE, CCC, UL, CSA
• Continuous Current: 80 A

Application

This contactor is ideal for a wide range of industrial applications including motor starting, isolation, and switching of resistive or inductive loads. It is commonly found in HVAC systems, conveyor belts, pumps, and manufacturing machinery control panels.

Country of Origin

Made in Czech Republic.

CO2 Impact

By purchasing this pre-owned contactor, you contribute to a circular economy and avoid the emission of approximately 48 kg of CO2 associated with the production of a new unit. This is equivalent to the emissions of a 240 km car journey.

Availability

This item is in stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the coil voltage for this specific LC1 D6511 contactor?

The coil voltage is not indicated on the main body of this contactor. It is typically determined by a suffix in the full part number (e.g., B7 for 24V AC, M7 for 220V AC) or printed on the coil itself. You must verify the required coil voltage for your application before installation.

Can I add more auxiliary contacts to this TeSys D contactor?

Yes, the TeSys D series is modular. You can easily add front-mounted or side-mounted auxiliary contact blocks (like the LADN or LADC series) to increase the number of available control contacts.

What is the difference between the AC-3 rating (65A) and the thermal current Ith (80A)?

The AC-3 rating (65A) is the maximum operational current for switching squirrel-cage motors during starting. The conventional free air thermal current (Ith, 80A) is the maximum current the contactor can carry continuously (for at least 8 hours) in open air without exceeding temperature limits, typically for resistive loads (AC-1 duty).

Last Update: Friday, March 13, 2026

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