The Siemens 5SJ4118-8HG41 is a SENTRON 5SJ4 miniature circuit breaker, single-pole, rated 15 A at AC (cites:). The 70 mm installation depth (cites:,) fits standard distribution boards without gland-plate clearance issues.
Current derating and temperature range
Above 40 °C it derates: 14.6 A at 45 °C, 14.1 A at 50 °C, 13.6 A at 55 °C, and 13.2 A at 60 °C (cites:,). The DC rating maxes at 60 V (cites:).
