It is an electric fence controller replacement module that allows for easy repairs of Zareba™ fencers. It is compatible with 6 or 12-volt systems. It is used to repair models 4612-A, B612 A, 521-A, 512-A, 810M, 810, 440, AMC, B10, B10M, and B5. It also upgrades models 410, 8510, A60, A7068, A85, and B5.
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