Mechanical latch LC1D09/D38 220VAC LAD6K10M

Mechanical latches for contactors and relays – reliability and safety

This mechanical latching block, catalog number LAD6K10M, is a key element ensuring the maintenance of the contactor or control relay state after loss of power supply. This is particularly important in applications requiring continuous operation and rapid restart after short-term power outages. The device is designed to work with a wide range of TeSys Deca contactors (LC1D09-D80A, LC1DT20-DT80A) and CAD control relays, with the exception of models with low coil power consumption.

Functionality and application

The contactor state is maintained using a 220-240 V AC (pulse must last longer than 100 ms) or DC (above 250 ms) control voltage pulse. The mechanical lock ensures the maintenance of the contacts' closed or open state, which is important in processes requiring precise control and minimizing the risk of unplanned downtime. Additionally, the latch can be manually unlocked, providing additional security and the possibility of intervention in emergency situations. Mounting is done by snapping onto the front of the contactor, and connection is made using convenient screw terminals.

Construction and operating parameters

The LAD6K10M latching block is designed for intensive operation, withstanding up to 1200 cycles per hour. Its solid construction guarantees reliability and long life even in demanding industrial conditions. The device has a protection degree of IP2X according to VDE 0106, which provides protection against access to hazardous live parts. The operating temperature range is from -13°C to +131°C. The use of high-quality materials and compliance with international standards (IEC, UL, CSA) confirm its safety and reliability. The product meets the Green Premium requirements – it is compliant with RoHS and REACH directives, demonstrating the manufacturer's responsible approach to environmental protection.

Key benefits for the installer and end user:

• State maintenance: Ensures the maintenance of the contactor/relay state after loss of control voltage – minimizes the risk of unplanned downtime.
• Fast restart: Enables quick restart of the process after a short power failure.
• Versatility: Compatible with a wide range of TeSys Deca contactors and CAD control relays.
• Simple installation: Easy snap-on mounting and connection via screw terminals – reduces installation time.
• High performance: Designed for intensive operation (up to 1200 cycles/hour) – ideal for industrial applications.
• Safety: Compliant with international safety standards (IEC, UL, CSA) and Green Premium requirements (RoHS/REACh).
• Manual unlocking possible: Additional function allowing intervention in emergency or service situations.