Siemens 5SY6506-6 SENTRON 5SY6 Miniature Circuit Breaker 1P+N B-curve 6 A 6 kA. Siemens 5SY6506-6 miniature circuit breaker from the SENTRON 5SY6 range. Official Siemens active listing: Miniature circuit breaker 230 V 6kA, 1+N-pole B, 6 A, D=70 mm. Key details: Voltage rating: 230 V, Breaking capacity: 6 kA, Poles: 1P+N, Trip curve: B, Rated current: 6 A, Installation depth: 70 mm. Selected for common Egypt and Gulf low-voltage panel demand, including distribution boards, industrial control panels, maintenance replacement, and OEM panel-building projects.