The 18268 is a modular residual current circuit breaker (RCCB) with recloser, designed for enhanced electrical protection. It features a 4-pole configuration with an In rated current of 63A and a leakage current detection class of A with a sensitivity of 30 mA. The device is mounted on a DIN rail and includes guard tunnel terminals capable of accommodating rigid conductors up to 35 mm². With an embedding depth of 73.5 mm and a mechanical durability of 4000 open-close cycles, the 18268 provides reliable and efficient differential protection for low voltage distribution systems.
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