Part # ICL-70-020-4T-R

Adapt-A-Lite Current Indicator,
70-75 Volts nom., 2.0 Amp., 4 Terminals, Red

This is the most popular model sold and is currently kept in stock. It is typically used to monitor the proper operation of a headlight on a railroad locomotive.

Internal Resistance: 0.02 Ohm
Switch "on" current at 2.0 Amp (Typ. ) 2.5 Amp Max. 
Switch “off” current at 1.0 - 1.5 Amp. (Typ.)

Size: 3" long x 1-1/2" wide x 2" deep (over terminals)
Weight: 142 g (5 oz)

See Adapt-a-Lite for for more information.

Installation:

1. Connect independent 74 Volt source to positive terminal (L4).
2. Connect negative to negative (L1).
3. Connect terminals L2 and L3 in series with the headlight.
   NOTE: L2 and L3 are not sensitive to orientation and the indicator can be placed in either the positive feed or the ground return line of the headlight.
4. Mount light lens through 1” diameter hole.
5. Drill two 1/4” diameter mounting holes.