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Siemens SENTRON 5SY4420-6, 4-pole miniature circuit breaker, B-curve, 20 A rated at 35 °C, 10/20 kA breaking capacity, 4 MW DIN-rail mount.

Siemens SENTRON 5SY4 series, 4-pole miniature circuit breaker, 10 A rated current, tripping characteristic A, 10 kA breaking capacity per EN 60898, 72 mm wide (4 width units).

Siemens SENTRON 5SY4425-6, 4-pole miniature circuit breaker, 25 A rated current, B tripping characteristic, 10 kA (EN 60898) / 20 kA (IEC 60947-2) breaking capacity, 4 MW DIN rail mount.

Siemens SENTRON 5SY4450-6, 4-pole miniature circuit breaker (MCB), B-characteristic, 50 A rated current at 35 °C, 10 kA breaking capacity per EN 60898, 4 MW DIN-rail mount.