Current Relay for AC-Detection, OR-Evaluation of 1-8 Transformers
Current relay in OR evaluation with 8 inputs, designed e.g. for controlling of suction plants in the timber and plastics processing industry. When there is an AC-current >1 A through one of up to 8 connected transformers STWA 1, the integrated relay (1co) picks up. When all currents are 0, the relay releases with a delay of approx. 10s. This enables a run-after of the central suction.
8 inputs
OR-evaluation
relay picks up if at least 1 input is activated
Connection of current transformers STWA1 or STWA1H
operating value approx. 1 A
turn-off delay approx. 10 s
not necessary inputs remain open
options - switch-on delay 3 s - without switch-off delay
Technical Data
Rated supply voltage Us
.......
AC 220 - 240 V +10-15%, < 3 VA, 50/ 60 Hz AC/DC 24 V, DC 21-30 V, AC 20,4 - 26,4 V
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