Specifications are subject to change without notice. No liability accepted for errors or omissions. 7
OPTIO S
Temperature
compensated charging
Alarms:
Alarm Relay Contacts
Internal output diode
(SR250LP..)
Earth Fault Alarm
-4mV / °C / cell , sensor lead length 1.7m
Order Code: +TEMPCO
Mains fail (or PSU in standby mode)
DC low (Battery low or PSU low) - set at
92% of nominal voltage.
Special version available: Battery low
alarm operates when mains power is on,
order code: SFMCT-OA v1.1
• DC high
C - NO - NC full changeover rated 1A /50V
DC, 2VAC
Incl. alarms & output diode for N+1 redundan-
cy, internal diode not available for 12V mod-
els.
Using an external alarm card (see separate
data sheet)
MODELS
Power Supply Battery Charger
Adjustable
range (V)
Output
Volts
(factory default)
Output
Current (A)
(continuous)
Output
Volts*
(Charging)
Output
Current (A)
(Charging)
SR250A12 1 .8 18.1 1 .8 18.1 11-14
SR250A24 24 10.4 27.6 9.0 22-28
SR250A30 0 8. 4.5 7.2 28-6
SR250A36 6 6.9 41.4 6.0 4-4
SR250A48 48 5.2 55.2 4.5 45-57
SR250A7.5 7.5 20 6.9 20 (140W) 6.8-8
SR250A60 60 4.1 69.0 .6 54-69
STA DARD MODEL TABLE
* Please specify on ordering if the
unit is to be used for float charging
(except for 12V model which is set
at 1 .8V by default).
MODEL IDE TIFICATIO CODES
L = 230V AC + sw itch Blank = 230V AC no switch
U = 110V AC + sw itch G = 110V AC no switch
H = 110V DC + switch J = 110V DC no switch
Input voltage and f ont
panel standby switch
S = Stud X = Plug in /sc ew te minal block
F = Fan Blank = No fan
T = Yes Blank = No
12, 24, 30, 36, 48, 60
Output DC Connecto type:
Fan cooled:
Tempe atu e Compensation
DC output: Nominal voltage
Function
Optional communication
po t
Powe 250W
250 Watt
AC/DC Stand Alone Power Supply/Float Charger
485 = RS485 232 = RS232
LAN + = Ethe net (SNMP) LAN = Ethe net (ASCII)
Communication port
Protocols
Digital V/I meter
19”rack mount
Wall Mount Enclosure
Choice of RS485, RS2 2, Ethernet
Note: Requires external battery for communica-
tions to continue working when there is a loss
of input power.
• S MP v1
• Modbus (external converter)
Serial: +PROTOCO MB
TCP & HTTP: +PROTOCO MB-OE
May be fitted with SR250 in 19” rack,
add: SR-METER or SR-METERV2/SHU T
Single charger add: SR-RM2U
Dual charger (front removable) add:
SR-RM2U-DUALV2
Charger may be fitted into enclosure with
MCBs and terminals. Code: SEC-SR
OPTIO S (cont.)
A = Basic ve sion
D = with mains fail and dc low ala ms
L = with mains fail, dc low, dc high ala ms
P = with output diode (24V & above) and “D” ala ms
LP = with output diode (24V & above) and “L” ala ms
