Pipeline Corrosion Control

Cathodic Protection Rectifier, Utility Line, Air Cooled

Created by: Pipeline Corrosion Control

Last updated 12/2025

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Description

Model ES-I Rectifier Circuit breaker Heavy duty aluminum case for post or wall mount Unique opening cabinet for total access to components Assembly only 13" high x 5" wide x 5.5" deep Ammeter only 3 coarse and 6 fine tap Silicon rectifying elements AC and DC lightning protection AC input terminal block 120V AC single phase input Variac control option Standard outputs: 6V-5A, 6V-10A, 12V-5A, 12V-10A, 20V-5A, 20V-10A, 30V-5A, 40V-5A. Other outputs available not exceeding 200W. Model ES-II Rectifier Circuit breaker Heavy duty aluminum case for post or wall mount Unique opening cabinet for total access to components Assembly only 13" high x 7.5" wide x 5.5" deep Voltmeter and ammeter 3 coarse and 6 fine taps Silicon rectifying elements AC and DC lightning protection AC input terminal block 120V AC single phase input Optional DC failure lights are available Variac control option Standard outputs: 6V-5A, 6V-10A, 12V-5A, 12V-10A, 20V-5A, 20V-10A, 30V-5A, 40V-5A. Other outputs available not exceeding 200W. Model ES-II Rectifier with Automatic Potential or Current Control Heavy duty aluminum case for post or wall mount Unique opening cabinet for total access to components Assembly only 13" high x 7.5" wide x 5.5" deep Main disconnect switch Solid state controller, either potential or current control Voltmeter and ammeter Potential meter Silicon rectifying elements AC and DC lightning protection AC input terminal block 120V AC single phase input 120 VAC convenience outlet Standard outputs: 6V-5A, 6V-10A, 12V-5A, 12V-10A, 20V-5A, 20V-10A, 30V-5A, 40V-5A. Other outputs available not exceeding 200W. ES Utility Line Rectifier Ordering Guide Configure an 8-position model number like ES-I-V 20-5 Positions from left to right are as follows: Position #1: Model ES-I = ES Utility Rectifier ES-II =ES Utility Rectifier Position #2: Output Control Type S = Standard Rectifier (Manual taps) V = Variac Control E = Constant Voltage Control (ES-II only) D = Constant Current Control (ES-II only) P = Constant Potential Control (ES-II only) M = Multiple Modes (ES-II only) Position #3: DC Output Voltage* List DC Voltage Desired (6V, 12V, 20V, 30V or 40V) Position #4: DC Current Output* List DC Current Desired (5A or 10A)) Position #5: Special or Optional Features H = Hour Meter (ES-II only) K = Red or Green Status Lights ((ES-II only) * Combinations are 6V-5A, 6V-10A, 12V-5A, 12V-10A, 20V-5A, 20V-10A, 30V-5A, 40V-5A