ENR 20, ENR 25, ENR 31
ENR.. with TRE.. S 5-step transformer and ESS 20 5-step switch
TRE.. S: 5-step transformer for control cabinet installation
ESS 20: 5-step switch (on/off, 5 speeds)
S1: Toggle switch (air extraction – ventilation)
MK, BK: Electric shutter
* Cable only for MK electric shutter