Specifications are subject to change without notice. No liability accepted for errors or omissions.
8
SR250 CONNECTION LAYOUT
(Plug in/screw terminals)
AC INPUT
+
-
+
-
LOAD
BATT
ALARMS
AC INPUT
ALARMS
SR250 CONNECTION LAYOUT
(Stud terminals)
+ COM
LOAD
-
BATT
-
A
C
INPUT
ALARMS
SR500/750 CONNECTION LAYOUT
Stud terminals)
+ COM
LOAD
-
BATT
-
NOTE: LOAD+ / BATT+
terminals
are linked internally and are connect-
ed to the
+COM
terminal on the stud
connection versions.
OPERATION OF ELECTRONIC CIRCUIT BREAKER (ECB) FOR PROTECTION OF CHARGER & BATTERY WIRING
The ECB will operate on overcurrent as above & is also activated for the low voltage disconnect function on
mains fail (no input power). It will reset when input power is restored, or can be manually reset by briefly
shorting the
BAT
-
and
LOAD
-
terminals together when there is no input power.
Max. allowable
load amps
(x I rated)
8
7
2.5
2ms
300ms
Time
8
6
2ms
300ms
Time
6x I
rated
for 300ms max.
INPUT POWER ON
ECB automatically resets
I
PSU
= 1x I
rated
I
BAT
= 1.5x I
rated
ECB trips & latches off
until input power is
restored
I
PSU
= 0
I
BAT
= 1.5x I
rated
7x I
rated
for
300ms max.
Short circuit condition,
ECB trips within 2ms
INPUT POWER OFF
1.5 x I
rated
until LV
disconnect operates
Short circuit condition,
ECB trips within 2ms
Max. allowable
load amps
(x I rated)
1.5
CONNECTION LAYOUTS
2.5 x I
rated
peak
current allowed
