Battery Charger Model ELC-12/20-D

The National Railway Supply charger Model ELC-12/20-D is the recommended battery charger for a 12 VDC SmartScan NG system. It 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.

#42-100-001

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General Specifications

AC INPUT VOLTAGE

115 VAC (108-128) or 230 VAC (216-256)

AC INPUT CURRENT

6 amps for 115 VAC (full power); 3 amps for 230 VAC (full power)

AC INPUT FREQUENCY

50/60/100 Hertz (single phase)

AC LINE REGULATION

For a constant output current at 2.23 volts/cell +17% for 6 cells

AC FUSES

MDA 4 or equivalent

POWER FACTOR

Percentage at 20.0 amps DC current 56% at 13.38 volts

DC OUTPUT

Voltage range 10.00–17.00 ± 0.1 volts Current Maximum 20.0 ± .5 amps

DC OUTPUT RIPPLE (at battery terminals)

0.25V p-p at 20.0 amps, 12.0 volts; 0.1V p-p at 2.0 amps, 13.38 volts

TEMPERATURE COMPENSATION

3mV per °F per cell

WEIGHT

30.20 lbs

ELC-12/20-D Features:

Single or Dual Input Voltages – 115/230 VAC input, 50-60-100 Hz
Battery Types – Charges all Valve Regulated Lead-Acid, Flooded/Vented Lead-Acid, and Nickel Cadmium
Temperature compensation with controlled limits
Selectable Float Voltage – Allows the battery voltage to be precisely set within a 100th of a volt
SCR Regulation – Charger can provide a constant current and constant voltage charge as well as an excellent AC line regulation for precise control
Transient Protection – AC input and DC output have surge suppression
DC amp meter
Meets or exceeds AREMA specifications

Battery subsystem for SmartScanNG²:

RESOURCES

Battery Charger Model ELC-12/20-D User's Guide

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