ABB Busch E-contact System Manual page 9

The following versions of devices are available:
System Manual 2CKA001473B9577
Applications for noiseless switching in the private sector
E-contact
and for smaller offices, etc.
Relay For all popular applications
For all popular applications to extend the transmission
Extension unit
range.
DALI For all popular applications with DALI bus system
DALI For all popular applications with DALI bus system to
Extension unit extend the transmission range
Overview of product range
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