Transition Networks SPS-48V Manuel D’Utilisation

48 VDC

0.20 A (peak cold start)

20 msec minimum at full load and nominal input
voltage

(Dielectric withstand) Meets IEC 960 for one minute.

1,500 VAC: 

Output/Input

500 VAC:

Input/Safety GND

500 VAC:

Output/Safety GND

12 VDC

0.8 A

±0.5 % of all output within specified range

±1.0 % at 20 % load to full-rated load

±1.0 % maximum on any output change from 50 % to
100 % rated load

Output voltage returns in less than 3 msec following a
50 % load change

(OLP) When the average power rating exceeds 125%-
150% of maximum power, output voltages reduced to
a safe dissipation level; protects against short circuit of
any output.

Over Voltage Protection (OVP) 124 % ±8 % on output.  

Over Circuit Protection Withstands a continous short without damage; returns

automatically to regulation upon removal of short.

No damage to power supply when operating at no
load. 

No voltage spike at power-on, power-off, or power
failure.

4.

Connect +48-VDC terminal to 48-to-12 VDC External Power Supply
terminal block control marked “+”. Turn terminal screw clockwise to
secure.

5.

Connect -48-VDC terminal to 48-to-12 VDC External Power Supply
terminal block control marked “-”. Turn terminal screw clockwise to
secure.

6.

Connect ground terminal to 48-to-12 VDC External Power Supply
terminal block control marked “chassis ground”. Turn terminal screw
clockwise to secure.

7.

Ensure that external power source is powered ON.