(OPA-2) ThinkGrow Smart Junction BoxOverview The ThinkGrow Smart Junction Box 2 (OPA 2) is an electronic circuit breaker and energy meter designed to monitor and control electrical parameters such as voltage, current, power, and power factor. Equipped with overcurrent protection functionality, users can set three levels of overcurrent protection points. With built in overcurrent protection and compatibility with TrolMaster controllers, the OPA 2 allows remote monitoring and adjustment
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