DESCRIPTION

The Essex Engineering Model 3905 Duplex Electronic Alternator is a modular unit designed to be used between the Model 2410 Controller and the Series 3800 relay card.  Its modular construction provides for easy replacement and/or trouble shooting.  It plugs into a standard eight pin socket.   The unit has two LED's on the cover to indicate which output will be LEAD on the next activation.

MODEL 3905 SPECIFICATIONS

• AMBIENT OPERATING TEMPERATURE RANGE:  0 to 40 degrees C

• POWER INPUT:  24 VDC +/- 10%  15mA maximum

• MODULE INPUTS:  Contact closure from either pin5 or 6 to Com 15VDC @ 1mA maximum

• MODULE OUTPUTS:  NPN transistor output, 50 VDC @ 60mA maximum

• PHYSICAL DIMENSIONS:  2.375(W) x 1.75(D) x 3.00(H), base to top of LED