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The X4230-BU137P18H2S is an accessory for circuit breakers manufactured by E-T-A. It offers reliable overcurrent protection with specified rupture capacities.
Electrically, the device provides a rated ultimate short-circuit breaking capacity (Icu) of 10,000 A for both AC and DC circuits. For AC applications, the service rupture capacity (Ics) is 7,500 A. These ratings ensure suitability for various industrial and commercial protection applications.
As a circuit breaker accessory, it integrates into compatible systems to enhance protection capabilities. The compact design allows for straightforward installation within existing circuit protection setups.
The ultimate rupture capacity (Icu) is 10,000 A for AC/DC, and the service rupture capacity (Ics) is 7,500 A for AC.
The rated rupture capacity per UL 489 is 10,000 A AC/DC.
Ics (service capacity) is 7,500 A AC, while Icu (ultimate capacity) is 10,000 A AC/DC.