KD EC:
315E-355E
Internal potentiometer
Below for external potentiometer
315E-355E
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K-EC, KVKE-EC, TFSR-EC, TFSK-EC, KD-EC, KVO-EC
206268 (15-05-2012)
400E
Internal
potentiometer
KD EC
400D-500D
5
400D-500D
Internal
potentiometer
Systemair AB