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Balancing relay

8th June 1973, Page 88
8th June 1973
Page 88
Page 88, 8th June 1973 — Balancing relay
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An electronic balancing relay from Control Ability is suitable for controlling air-conditioning systems via Thermister sensing elements. It is designed to compare two electrical signals and operate one of two relays when the signals differ by more than a preset amount.

There are two models, one operating from a 24V dc, the other from a 24V ac supply, and they are available either on a grp printed circuit board or completely enclosed in a splash-proof plastic enclosure. Made by: Control Ability, PO Box 42, Blackburn.