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www.nationalrailwaysupply.com  
1-800-357-3572 1 

38059D 

 

NATIONAL 
 RAILWAY 
  SUPPLY

 

 
 
 

Installing, Operating and 

Service Instructions for the

12/10 Solid State Charger

 

 

MODEL ELC-12/10 

BATTERY CHARGER 

 
 

PLEASE SAVE THESE IMPORTANT SAFETY AND OPERATING INSTRUCTIONS 

 

For correct operation of the equipment, it is important to read and be familiar 

with this entire manual before installing and operating the charger. 

DO NOT DISCARD THIS MANUAL AFTER READING. 

 

 

 

LOOK FOR THIS SYMBOL TO POINT OUT SAFETY PRECAUTIONS.  IT MEANS: 
BECOME ALERT—YOUR SAFETY IS INVOLVED.  
IF YOU DO NOT FOLLOW THESE 
SAFETY INSTRUCTIONS, INJURY OR PROPERTY DAMAGE CAN OCCUR.

 

 

 
 

1.  IMPORTANT SAFETY INSTRUCTIONS

 

 

a.  Before using the battery charger, read all the 

instructions and caution markings on the 
battery charger, the battery, and all of the 
products using the battery. 

 

b.  Do not touch the uninsulated parts of the AC 

input or the DC wires, the charger's binding 
posts, or the battery terminals, as there is a 
possibility of electrical shock. 

  c. Batteries produce hydrogen gas while 

operating, which can explode if ignited. 

 

Never smoke, use an open flame, or create 
sparks in the vicinity of the battery.  Ventilate 
the area well when the battery is charging in 
an enclosed area. 

 

d.  Batteries contain caustic material which may 

cause burns.  Do not get in eyes, on skin, or 
clothing.  If the gelled or liquid content of the 
batteries contacts the skin or clothing, wash 
the area thoroughly with water.  In the case 
of contact with the eyes, flush immediately 
with clean water for 15 minutes and obtain 
medical attention. 

 

e.  Only qualified personnel should program or 

service this equipment. 

  f. De-energize all AC and DC power 

connections before servicing this unit.  If 
injury does occur, apply standard treatment 
for electrical shock and, if necessary, consult 
with a physician. 

 

g.  The charger is not for outdoor use.  Do not 

expose the charger to rain or snow. 

 

h.  Do not operate the charger if it has received 

a sharp blow, been dropped, or otherwise 
damaged. 

 

i.  Do not disassemble the charger.  Have the 

charger examined by a NATIONAL 
RAILWAY SUPPLY service agent.  If the 
charger is assembled incorrectly, damage to 
the charger and the batteries or an electrical 
shock may result. 

 

2. DESCRIPTION

 

The NATIONAL RAILWAY SUPPLY charger, model 
ELC-12/10, is a convection-cooled, solid state, SCR 
regulated charger that provides either a constant 
current or constant voltage output.  The charger can 
be set to charge batteries within a voltage range of 
10.00 to 17.00 volts for gel-cell, liquid lead-acid, 
nickel cadmium, nickel iron, and starved electrolytic 
batteries. 

*38059*

Содержание ELC-12

Страница 1: ... is charging in an enclosed area d Batteries contain caustic material which may cause burns Do not get in eyes on skin or clothing If the gelled or liquid content of the batteries contacts the skin or clothing wash the area thoroughly with water In the case of contact with the eyes flush immediately with clean water for 15 minutes and obtain medical attention e Only qualified personnel should prog...

Страница 2: ... probe is not being used or the temperature probe is working improperly Temperature compensation uses a temperature reference of 77 F 25 C a voltage reference of 2 23 volts the voltage of a standard gel cell battery at 77 F and a compensation value of 3 0 mV per F The equivalent equation for the compensated voltage is Vcomp V k t 77 F Where V is the voltage of the battery at 77 F t is the temperat...

Страница 3: ...of extending battery life by using temperature compensation One end of the temperature probe cable has a three pin plug which plugs into a receptacle labeled TEMP PROBE on the bottom of the charger The other end of the cable has the temperature sensor sealed in a terminal WARNING IT IS IMPORTANT TO MOUNT THE TEMPERATURE PROBE ON THE BATTERIES FOR PROPER TEMPERATURE COMPENSATION IF THIS CANNOT BE D...

Страница 4: ...charger operates improperly follow the steps below a Begin by checking the voltage switches to verify their settings against the specifications of the batteries b Check the AC voltage selection switch for the proper setting c Check the fuses to make sure they have not blown d Check the circuit breaker to see if it has opened and push it in to reset it if necessary e Check the polarity between DC o...

Страница 5: ...ARD 38631S 1 CONTROL CABLE W SHUNT 38056S 1 BASE ASSEMBLY 38061S 1 COVER ASSEMBLY 05322S 2 FUSEHOLDER ASSEMBLY 16268S 2 FUSE 2 5 AMP 38053S 1 CIRCUIT BREAKER ASSEMBLY 38048S 1 AC VOLTAGE SELECTOR SWITCH ASSEMBLY 27317S 1 AMMETER 04230S 5 BUSHING 29741S 1 TEMPERATURE TRANSDUCER 10 W TERMINAL 29742S 1 TEMPERATURE TRANSDUCER 30 W TERMINAL 38051S 1 HEATSINK ASSEMBLY W SCR s 38054S 1 CAP ASSEMBLY W DIO...

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