Signamax 48 Volt DC Industrial DIN-rail Mount Power Supplies - Manual (Page 2)

Industrial DIN-rail Power Supply DC-1848-75/120W
INSTALLATION and OPERATION
Mounting Instructions
Mounting: Mount as shown in figure only, with input terminals up.
(or else sufficient cooling will not be possible.)
Acceptable DIN-rail:TS35/7.5 or TS35/15
How to fasten to Rail:
(1)Tilt the unit slightly rearwards.
(2)Fit the unit over top hat rail.
(3)Slide it downward until it hits the stop.
(4)Press against the bottom until it clicks into place.
(5)Shake the unit slightly to check the locking action.
Dimensions
MODEL WIDTH HEIGHT DEPTH WEIGHT
● DC-1848-75W 55.5mm 125mm 100mm 550g
● DC-1848-120W 65.5mm 125mm 100mm 650g
TERMINAL PIN NO. ASSIGNMENT
TB1 : AC INPUT TB2 : DC OUTPUT
PIN 1 : PIN 1,2 : +V
PIN 2 : AC/N PIN 3,4 : -V
PIN 3 : AC/L
Safety Notes
Read instructions:
Before working with the power supply: read these instructions carefully and
completely. Make sure that you have understood all the information! Comply
with notes on the unit!
Disconnect system from supply voltage:
Before any installation, maintenance or modification work: Disconnect your
system from supply voltage.
Make sure that inadvertent connection in circuit will be impossible!
Before start of operation:
Ensure appropriate installation: Warning! Improper installation/operation may
impair safety and result in operating trouble, even destruction of the unit. The
unit must be installed and put into service by appropriately qualified operators
only.
Before operation is started the following conditions must be ensured in
particular:
◎ With flexible cables:
All strands must be fastened in the terminal blocks
.
◎ The unit must be sufficiently fused.
◎ All output wires must be rated for the power supply output current and
must be connected with the correct polarity.
◎ Use minimum 80℃ wire.
◎ Terminal torque 7 Newton-meters.
◎ Connector cables 0.5mm
2 (AWG 20) ~ 5mm 2 (AWG 12).
DO NOT attempt to Modify Connections while unit is
operating!
There is a great risk of life-threatening electric arcs and electric shock.
11
"" Click"
HOT!
Do not touch side
and rear walls
while operating!
Convection cooling
• Do not cover upper and
lower wall surface!
• Leave sufficient space
around the unit for cooling
• Screws at the housing are
for internal grounding.
Do not remove them!
Not Allowed