RESIDUAL CURRENT DETECTION MODULE CONSISTING OF A SENSOR PRINTED CIRCUIT BOARD ASSEMBLY (PCBA) AND A FOUR-POLE CURRENT TRANSFORMER (CT). BOTH COMPONENTS ARE DESIGNED FOR INTEGRATION WITHIN THE HOUSING OF A RESIDUAL CURRENT CIRCUIT BREAKER. THE PCBA CONNECTS DIRECTLY TO THE CT VIA DEDICATED TERMINALS AND PROVIDES AN ELECTRICAL OUTPUT SIGNAL FOR THE TRIP OR ALARM CIRCUIT. THE MODULE IS IDENTIFIABLE AS BEING PRINCIPALLY FOR USE WITH EQUIPMENT OF HEADING 8536.

GENERAL RULES 1 AND 6 FOR THE INTERPRETATION OF THE COMBINED NOMENCLATURE. NOTE 2 (B) TO SECTION XVI. HARMONIZED SYSTEM EXPLANATORY NOTES TO HEADING 8538 - PARTS. TEXT TO TARIC CODES 8538, 8538 90, 8538 90 99 AND 8538 90 99 99.