Omega Engineering DIN-RAIL DRN-PS-750 - Manual (Page 7)

To change voltage jumpers:
1. Remove cover from case by carefully
prying up two side tabs using a
screwdriver. Remove two screws from
bottom of case. Slide unit out of case.
2. Locate the main board assembly and
position it in front of you the same
way as shown in Figure 3.1 on the
following page.
3. On the main board, locate the
transformer jumpers W1, W2, and W3
near the transformer T1.
If your power requirement is 115Vac,
jumpers W1 and W2 should be
installed. (Do not install W3.)
If your power requirement is 230Vac,
jumper W3 should be installed. (Do not
install W1 or W2.)
Warning!
I
NSTALLATION AND
R
EMOVAL
3
5 DRN-PS Ñ DIN Rail Power Supplies