DEMA Role San. ve Tic. A. S.
DEMA DigiLine 400 Series Protection Relays
Page 4 of 11
Quick Start Guide V1.0
2
Power Up the Relay
DigiLine 400 Series have one of the easy to use power up sequence. The relay has wide range of input voltage
over same input pins. Voltage specifications are listed below;
Auxiliary Power Supply Specifications
Description
Value
Nominal auxiliary voltage
(48-240) Vac, (24-240) Vdc
Operating range of auxiliary voltage
(36-264) Vac, (22-264) Vdc
Nominal frequency for AC voltage
50 / 60 Hz
To power up the relay, proper voltage needs to be supplied to the rear connectors. To identify which ports should
be used, please follow connector plan on the side of the relay (Figure 1).
Power pins are on the
X03
Connector with numbers
50-51
.
52 is used for chassis, but not absolute must.
Figure 1: Relay Rear Side
