Abstract: The present technology relates to multiple mode circuit and load protection devices configured to operate differently in each of the multiple modes. The protection device includes three power inputs and three corresponding power outputs. The protection device can be set to a motor protection mode or a circuit breaker mode. When set to the motor protection mode, the protection device detects a phase imbalance between the three inputs, analyzes electrical values associated with the three inputs and, detects a fault based on detecting a phase imbalance or detecting a failure based on one of the electrical values. When set to the circuit breaker mode, the protection device will disable measurement of or otherwise ignore phase imbalances and only detect a fault based on one of the electrical values. In response to detecting a fault, the protection device can trip, stopping current flow to load(s) coupled to the power outputs.

Abstract: The present technology relates to multiple mode circuit and load protection devices configured to operate differently in each of the multiple modes. The protection device includes three power inputs and three corresponding power outputs. The protection device can be set to a motor protection mode or a circuit breaker mode. When set to the motor protection mode, the protection device detects a phase imbalance between the three inputs, analyzes electrical values associated with the three inputs and, detects a fault based on detecting a phase imbalance or detecting a failure based on one of the electrical values. When set to the circuit breaker mode, the protection device will disable measurement of or otherwise ignore phase imbalances and only detect a fault based on one of the electrical values. In response to detecting a fault, the protection device can trip, stopping current flow to load(s) coupled to the power outputs.