TeSys Deca power contactor, AC1, 25A 4P 2NO 2NC 42VAC coil screw terminals LC1D128D7

TeSys Deca Contactors – Reliable Control of Electrical Circuits

This TeSys Deca series power contactor is a robust solution for controlling electrical circuits, both in professional and domestic applications. Designed for durability and ease of installation, it is a key element in power, heating, ventilation, air conditioning and many other systems. Its construction based on high-quality materials guarantees long life and trouble-free operation.

Construction and operating parameters

The LC1D128D7 contactor has screw connection of the main contacts, which facilitates assembly and ensures a secure connection of the wires. It is designed to operate with a control voltage of AC 42V, and its rated operating current for AC-1 is 25A at 400V. It has 2 normally open (NO) and 2 normally closed (NC) main contacts, as well as one each auxiliary normally open and normally closed contact. Compact dimensions (85 mm height, 45 mm width and 92 mm depth) allow for easy adaptation to existing installations.

Applications and advantages

The TeSys Deca contactor is widely used in residential and commercial buildings, industrial plants, water and wastewater management systems and in mining. Its compliance with IEC 60335-1 ensures safety of use in household appliances and HVAC systems. High mechanical endurance (15 million switching cycles) and integrated auxiliary contacts (in standard NO+NC configuration) allow direct use in safety circuits in accordance with IEC standards. In addition, the auxiliary contacts are adapted to signals with a minimum current of 1 mA, allowing them to be connected directly to PLCs. The availability of technical documentation online via a QR code facilitates selection and configuration of the device. TeSys Deca contactors are also characterized by high resistance to fire and dust.