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Command and signaling
Installation contactors

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ABB’s hum-free installation contactor designs now offer a wider range of ratings
from 16 A to 100 A. Widely used in buildings for switching and controlling lighting,
heating, ventilation, motor and pumps, the installation contactors take noise
reduction to a new level. With an innovative AC / DC coil design that eliminates hum,

a broad selection of common accessories as well as manual and automatic versions,
installation contactors offer peace of mind in noise-sensitive applications.

Quiet and reliable in every application
ABB’s hum-free contactors feature innovative AC / DC coils. The range covers ratings from 16 A
to 100 A and offers accessories to suit customer requirements in every application. An inte-
grated indicator makes diagnostics quicker and provides reliable information about the
Optimum interface contactor’s status at a glance.

Simple solution that saves time
Reduce installation time and stock levels, with a universal auxiliary contact block that can be at-
tached to the contactors by hand. Installation contactors fit easily with ABB’s System Pro M
Easy to install compact range, making them fully compatible with other modular DIN-rail components.

Whatever you need, wherever you need it
Installation contactors are available in single and multi-packs to meet different customer needs
and to optimize warehousing space. Every ABB product enjoys expert local support worldwide
Global availability to make communication easier and delivery faster.