Power Relays; Fuse Holder; Transformer - Velleman K4040 Manual

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20. POWER RELAYS

The various relays have leads that correspond
to the printing on the PCB:
q
RY3: VR5V122C
q
RY4: VR10V121C
q
RY5: VR10V121C
14
RY...
RY...

21. FUSE HOLDER

q
F1
Insert a 5A fuse for 115V
Insert a 2.5A fuse for 230V
Fit the protective cap to the fuse holder.

22. TRANSFORMER

q
TR1: 12VAC
F...
TRAFO...