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Which risk increases when thermal runaway occurs in high-voltage circuit breaker batteries?

A)Control circuit malfunctions
B)Overcurrent trip failure
C)Arc flash incident
D)False positive breaker status

💡 Explanation

Overcurrent trip failure risks rise because thermal runaway elevates battery temperature damaging the shunt trip MECHANISM designed to trigger breaker opening on fault detection; therefore, the breaker might fail to operate quickly, rather than other electrical anomalies.

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