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![4 Channel Expansion Module for CI057](https://images.findtheneedle.co.uk/findtheneedle/products/4698121.jpg)
This expansion module provides an additional 4 relay outputs for the CI057 8 Channel Sequential Relay Controller Module which can be expanded to a maximum of 256 channels...
For more information on 4 Channel Expansion Module for CI057 talk to QUASAR ELECTRONICS LIMITED
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