Installation
SEL-351P Quick-Start Installation and User's Guide (Portuguese) 9
The EZ settings presume that current channel IN is connected residually
with phase current channels IA, IB, and IC by the user. This is required
to satisfy the pickup range sensitivity for fast and delay curve-ground
overcurrent elements (i.e., for ground overcurrent element pickups below
0.1 A secondary, a neutral ground overcurrent element is used
automatically; for ground overcurrent element pickups 0.1 A secondary
and above, a residual ground overcurrent element is used automatically).
See the Settings section for more EZ settings details.
120 Vac Power Input
120 Vac to power the SEL-351P is connected to POWER connector J6,
terminals 8 (+) and 4 (-).
24 Vdc Battery
The 24 Vdc battery to power the SEL-351P and external trip/close
capacitors (when 120 Vac is not present) is connected to POWER
connector J6, terminals 6 (+) and 2 (-). See the Battery section for
more details.
NOTE: Anytime 120 Vac power is applied to the SEL-351P, the unit
automatically turns on.
If no power is connected to the SEL-351P (unit is off) and then
24 Vdc battery power is connected to POWER connector J6
terminals 6 (+) and 2 (-), the unit remains off until the
DESPERTAR operator control is pressed.
12 Vdc Power Output
12 Vdc power is available on POWER connector J6, terminals 5 (+) and
1 (-). It is used for such applications as powering radios. It is current-
limited and has the following specifications:
Voltage Range Fluctuation: 11 - 14 Vdc
Maximum Capability: 6 W continuous; 13 W for one second
!
WARNING: No grounds can be installed on the circuits connected to the 12 Vdc voltage source. This
voltage source is grounded inside the SEL-351P.
12 Vdc Turned on With
Setting:
See Table 8 in Settings
section.
To Next Page
Loading...