Model ES / TufBox Overview Model Model ES / TufBox Cathodic Protection Rectifiers combine the superb electrical features of Universal Rectifiers Model ES Utility Rectifiers with a TufBox enclosure for outdoor mounting. The rectifiers are sturdy, secure, and easy to install and service. Electrical Features Circuit breaker. Ammeter. 3 coarse and 6 fine taps. Silicon rectifying elements. Surge protection. AC and DC lightning protection. AC input terminal block. Assembly only 13" high x 5" wide x 5.5" deep. 120V AC single phase input. Standard models for 6V-5A, 6V-10A, 12V-5A, 12V-10A, 20V-5A, 20V-10A, 30V-5A, 40V-5A. Other models available up to 200 Watt DC output. Mechanical Features Aluminum construction. Below-grade entry for wiring. Side panels slide up and out. Open Tufbox provides easy access to front and rear of junction box and to below-grade wiring. All test points easy to reach with measuring devices. Using optional extra "side mounting blocks," slotted poles can be attached for mounting markers and other equipment. Secure & Vandal-Proof A TufBox enclosure is equipped with a stainless steel key that allows quick and easy access. This patented lock is vandal-proof, protecting your important assets.
Created by: Pipeline Corrosion Control
Last updated 12/2025