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250 Watt
No-Break™ DC charger for lead acid batteries
MODEL TABLE
MODELS
Output (V)
SR250i 12
13.8
SR250i 24
27.6
SR250i 30
34.5
SR250i 36
41.4
SR250i 48
55.2
PHYSICAL DETAILS
AC Input connector
IEC320 input socket (included)
DC Output Connec-
M6 brass stud or 'Phoenix combicon' Plug-in
tions
style socket & mating screw terminal block:
Plug in screw terminal block
Alarm Connections
Enclosure
Powder coated or zinc plated steel / anodised
aluminium
Weight
1.7kg
Dimensions
242 x 150 x 61mm (excluding mounting feet
and connections)
19"Rack Mount
2U sub rack option: add SR-RM2U
Optional V/I meter for subrack: SR-METER
Refer to Rack Mounting Option data sheet for
further details.
MODEL IDENTIFICATION CODES
SR250
i
12 T F S L-485
Specifications are subject to change without notice. No liability accepted for errors or omissions.
DC Output
PSU Rated
Charge
1
(A)
Limit (A) *
18.0
9.0
9.0
9.0
7.2
7.2
6.0
6.0
4.5
4.5
SR250i
~
AC input
ALARMS
Input voltage and front
Panel standby switch
Output DC Connector type:
Fan cooled:
Temperature Compensation
DC output: Nominal voltage
Function
Power
Recomm.
Peak load (A)
Load (A)
12.0
27
5.0
13.5
3.7
10.8
3.0
9
2.0
6.7
OPTIONS
Battery Condition
Test (standard on
SR250i & SR250V)
Communication Port
for i & V versions
+PROTOCONMB-x
ECB
+
-
+
=
-
Temperature sensor to be
LAN/
placed on or near battery
RS232/485
comms
port
Optional Communications Interface
Port
230V AC
+ switch = L 230V AC
110V AC
+ switch = U 110V AC
110V DC
+ switch = H 110V DC
230V AC + switch + 300V MOV = M (To be used with IE OVP HV AC)
Stud = S
With fan = F No fan = blank
Yes = T
12, 24, 30, 36, 48
C = No-Break™ DC PSU/charger , M = C with load output at nominal voltage (eg 24V)
i = C with serial communications port & BCT included
V = i with dual battery output
J = C with LOAD- & BATT- common (Note: no battery detection function)
250W
*1 Factory default setting unless differently
specified at time of ordering
Add option SFMCT xxxxx on SR250C. SR250i
has default setting 20mins/28 days. BCT relay
provided to control an external test load.
Please refer to the BCT application notes on
page 11 or ask our sales staff for assistance
with system design.
Choice of RS485, RS232, Ethernet
Protocol Converter (MODBUS via RS485) with
programming port for PC. Power MBLink
setup software supplied.
SR250i: -x = blank, x = -OE for Ethernet Port
SR250V: -x = V, x = -OE-V for Ethernet Port
Overload protection may be customized.
Please call us for further information.
LOAD
BATTERY
485 = RS485
232 = RS232
LAN = ETHERNET
Blank = no comm. port
no switch = blank
no switch = G
no switch = J
Phoenix combicon (plug in screw terminal block) =
No = blank
7
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