Zinc Anode 620 Datasheet 'link' -

Paint insulates the zinc, preventing it from discharging current and rendering the cathodic protection system useless. Mounting Methods

Approximately 780 - 820 Ah/kg (350 - 370 Ah/lb). Consumption Rate: Approximately 11 - 12 kg/Amp-year. Efficiency: > 90%. Applications of Zinc Anode 620

-1.03 V vs. Ag/AgCl reference electrode Current Capacity: 780 Ampere-hours per kilogram (Ah/kg) Consumption Rate: 11.2 kg per Ampere-year (kg/A-yr) Efficiency: 90% – 95% minimum in seawater 4. Key Applications zinc anode 620 datasheet

To ensure your 620 anode provides maximum protection, follow these rules: Electrical Continuity

Cathodic protection is the premier defense mechanism against galvanic corrosion in marine and industrial environments. Among the various sacrificial components available, the represents a standard, highly utilized size and shape configuration for protecting underwater metal structures. Paint insulates the zinc, preventing it from discharging

The specifications below represent the standard engineering baseline for the 620 model configuration.

In the marine world, "620" often refers to a specific size of sacrificial anode designed primarily for boat rudders. This is a cast zinc block that corrodes over time to protect the metal it's attached to. Efficiency: > 90%

Note: Exact physical configurations (weld-on vs. bolt-on) can vary by foundry, but standard "620" series dimensions generally align with the following metrics:

What is the (saltwater, brackish, or freshwater)? What metal structure are you protecting? Do you prefer a weld-on or bolt-on connection? Share public link

Paint stops electrical contact with water and ruins protection.

Do not apply anti-fouling paint, primer, or topcoats to the surface of the zinc anode. Painting isolates the zinc from the seawater, preventing the electrochemical reaction entirely. Replacement Schedule