HE-4004 Polarity Reversing Door Lock Interface

2015-04-05T08:13:00-04:00

Type: Polarity Invertor
Price: 3.99

This is the HE-4004 Polarity Reversing Door Lock Interface.

Features:

Polarity reversing door lock interface

Converts door lock pulse from negative to positive.

Works with 3-wire positive trigger door lock system.