National Railway Supply ERB-C 12/201 Installation, Operation And Service Instructions

www.nationalrailwaysupply.com 1 

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NATIONAL 

 RAILWAY 

   SUPPLY 

Installation, Operation and 

Service Instructions for ERB-C 

Shelf-Mount Solid State Chargers 

ERB-C MODELS 12/201, 12/501 & 24/301 

BATTERY CHARGERS 

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.  Take it to a qualified service 

center. 

i.  Do not disassemble the charger.  Have the 

charger examined by a NATIONAL 

RAILWAY SUPPLY service agent or a local 

qualified service center.  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 batterycharger

is a convection-cooled, solid state, SCR regulated 

charger that provides either a constant current or 

constant voltage output.  It is designed to make 

battery charging simple and has a variety of 

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