The Eaton Z-SD230-BS is a two-pole, 30A, type-C, circuit breaker with an interrupt rating of 10,000A. This circuit breaker features a snap-action, ground-fault trip bar and an alarm trip bar for overcurrent protection. The Z-SD230-BS also has a self-test feature, which tests the breaker's thermal-magnetic protection. Additionally, the breaker is UL 489 Listed. The breaker is ideal for residential, commercial, and industrial applications requiring ground fault and overcurrent protection.