Alternator Regulators - ESSEX Regulator: Description

Regulates electrical system voltage by limiting output voltage generated by alternator. Voltage regulator is connected in field circuit between battery and field terminal of alternator. Unit is a temperature compensated, vibrating type voltage regulator with two sets of contacts using a common armature. Upper and lower stationary contacts are mounted on a bracket which is attached to, but insulated from regulator frame. The lower contact mounted on armature is connected to "IGN" terminal. The upper contact, mounted on armature but insulated from it, is connected to ground by a flexible wire. The stationary contacts are connected to "FLD" terminal by a fusible link. Regulator operates on either upper or lower contacts depending on load and battery requirements.