Murphy Battery Charger S10 Series User Manual

M020301  
Issue 5, revised 07/98  
Catalogue section 75  
R
The Generator Controls Division of  
S10 series  
AUTOMATIC BATTERY CHARGERS  
RATINGS TO 10 AMPS  
The S10 is a constant potential, open-chassis battery  
charger, suitable for use with either 12V DC or 24V DC,  
lead acid or Ni-Cd systems. Although primarily designed  
for the diesel generator market, the charger may be  
configured for use in a wide range of unattended industrial  
applications where standby power is required at all times.  
Each unit consists of a transformer, rectifier and control  
circuitry. The charger monitors the battery voltage and  
delivers as much current as the cells require up to the  
current limited maximum, giving a rapid recovery of charge.  
Once the battery is fully charged, the charger provides a  
low trickle charge to maintain the cells for an indefinite  
period at a pre-set float voltage, without overcharging, plus  
any additional current required to support a static load.  
Product Specification  
Power supply:  
operating voltages  
Also included is a range of on-board fault monitors  
complete with volt free relay contacts for remote  
alarm signalling.  
240 V AC or 110 V AC (specify),  
+/– 10%, 50/60 Hz.  
Charging output:  
nominal output voltage  
voltage stability  
current limit  
Standard Features  
see chart left  
+/– 1% of nominal  
1 – 10 Amps, factory set  
+/– 2% of nominal  
·
Boost function, operated by remote link.  
Indication by amber LED.  
current stability  
·
Adjustable float and boost voltage levels to meet with  
a range of battery types, static loads and operating  
conditions. Standard calibrations are:-  
Relay outputs:  
charge fail and low battery volts  
high battery volts  
(ratings for resistive load)  
volt free SPNC contacts  
volt free SPNO contacts  
all rated 5 A @ 30 V DC  
BATTERY TYPE  
FLOAT  
BOOST  
VOLTAGE VOLTAGE  
General:  
(V DC)  
(VDC)  
operating temperature  
overall dimensions (h x l x d)  
weight  
–10 to +55 oC  
185 x 145 x 155 mm  
approx. 8.0 Kg  
Lead acid (6 cells)  
12 V Ni-Cd (9 cells)  
Ni-Cd (10 cells)  
Lead acid (12 cells)  
24 V Ni-Cd (18 cells)  
Ni-Cd (20 cells)  
13.6  
12.8  
14.2  
27.2  
25.6  
28.4  
14.1  
14.0  
15.6  
28.4  
28.1  
31.2  
EMC emission/immunity  
to EN50081-2/EN50082-2  
Connection  
high  
low  
F1, fuse type T, rating:  
charge  
fail  
battery battery  
volts volts  
·
Adjustable current limit. Standard versions have a  
10 Amp limit, but this may be adjusted downwards  
where required (e.g. for lower capacity batteries).  
S1012, 240V: 1.5A  
110V: 3.15A  
S1024, 240V: 3.15A  
110V: 6.3A  
1 2  
3 4  
5 6  
·
·
Output short circuit protection.  
L
7
8
F1  
+
Protection against reverse polarity battery connection  
via fuse and red warning LED.  
AC  
supply  
battery  
N
E
BCS  
·
3 alarm monitoring circuits: 'charge fail', 'low battery  
voltage' and 'high battery voltage', complete with  
volt-free relay outputs and LED indicators. The low  
battery voltage alarm features a fixed time delay of  
approx. 60 secs. to inhibit the signalling of a fault  
during normal battery loading (e.g. engine cranking).  
9
10  
Boost  
switch/timer  
Dimensions (mm)  
Overall  
Fixing Base  
Electrical connection of the battery, boost and charge  
monitoring relays is via ¼" blade terminals. The AC supply  
is connected through separately mounted screw terminals.  
When ordering, please specify:-  
a) Product type (S10 series)  
b) Nominal output voltage (12 or 24 V DC)  
c) AC supply voltage (240 or 110 V)  
d) Battery type (Lead-acid, or Ni-Cd and number of cells,  
or special calibration requirements).  
Frank W. Murphy Ltd.  
Frank W. Murphy Ltd. en France  
Frank W. Murphy Southern Division  
Murphek Pty. Ltd.  
Incorporating Modex Automation  
Church Road, Laverstock, Salisbury U.K.  
Tel: +33 (1) 30 76 26 26 Fax: +33 (1) 30 76 39 89 PO Box 1819, Rosenberg, Texas 77471, USA  
1620 Hume Highway, Campbellfield, Vic. 3061 Australia  
Tel: + 61 3 9358 5555 Fax: + 61 3 9358 5558  
Direct usine Tel: + 44 1722 410697  
Tel: + 1 281 342 0297 Fax: + 1 281 341 6006  
email: sales@fwmurphy.com  
Tel: + 44 1722 410055 Fax + 44 1722 410088 email: [email protected]  
Since 1939  
Pour service en Français, tél: + 44 1722 410697  
Frank W. Murphy Manufacturer  
PO Box 470248, Tulsa, Oklahoma 74147, USA  
Tel: + 1 918 627 3550 Fax: + 1 918 664 6146  
email: sales@fwmurphy.com  
Frank W. Murphy Pte, Ltd.  
Murphy Switch of California  
Murphy de Mexico S.A. de C.V.  
email: sales@fwmurphy.co.uk  
No. 2 Tuas South Street 2, Sprintecs Building  
PO Box 900788, Palmdale, California 93590, USA Blvd. Antonio Rocha Cordero 300, Fracción del Aguaje  
02-01/02, Singapore 637895  
Tel: + 1 805 272 4700 Fax: + 1 805 947 7570  
email: sales@murphyswitch.com  
San Luis Potosí, S.L.P. México 78384  
Tel: + 52 48 206264 Fax: + 52 48 206336  
email: murmexsl@sanluis.podernet.com.mx  
Tel: + 65 863 1398 Fax: + 65 863 0208  
email: fwmsales@fwmurphy.com.sg  
 

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