Silent contactor 230VAC 2NO 25A AC-7a/b ESC225S

Contactor for lighting and ventilation control

This silent Hager ESC225 contactor is a reliable device designed to control electrical circuits, especially in domestic and industrial installations. Equipped with two normally open contacts (2NO), it enables efficient switching of loads up to 25A at 230V AC. Its compact design – occupying only one module on a DIN rail – makes it easy to install even in limited space within a distribution board.

Characteristics and application

The ESC225 contactor is ideal for controlling various loads, such as lighting, ventilation, and other devices requiring frequent switching. Designed for operation in AC-7a/AC-7b categories, it performs well with resistive and inductive loads. The quiet operation of the device eliminates unwanted relay sounds, which is particularly important in residential or office spaces. It ensures safe and efficient operation of the electrical installation, protecting the circuit from overload and short circuit – like any contactor of this type.

Construction and parameters

The device is characterized by high mechanical durability (100,000 cycles) and electrical durability (30,000 cycles), which guarantees long and trouble-free operation. The possibility of connecting rigid wires with a cross-section of 1–10 mm² and flexible wires of 1–6 mm² provides flexibility during installation. The degree of protection IP2X protects against touching live parts and the ingress of solid objects larger than 12.5 mm. The rated insulation voltage is 250V, and the impulse voltage as high as 4000V, which provides additional safety of use. The maximum power consumption of the contactor is 10.7 VA with total power losses at 4W. Suitable for operation in ambient temperature from -10°C to +50°C.