What this MCB is and what it protects
The Siemens 5SL6213-7RC is a SENTRON miniature circuit breaker rated 13 A, 2-pole, with a C tripping characteristic and a 7.5 kA breaking capacity per EN 60898 at 415 V AC. It is designed for overcurrent and short-circuit protection in residential and infrastructure final circuits, where the C-curve (5–10× In magnetic trip) handles moderate inrush loads like small motors, lighting banks, and distribution subfeeds without nuisance tripping. Rated supply voltage is 415 V AC for multi-phase operation, with a maximum of 440 V AC. Single-phase operation is rated at 250 V AC. DC operation is supported up to 72 V. The breaker occupies 2 modular width units (36 mm) on a DIN rail, with a 76 mm depth and 90 mm height — standard SENTRON 5SL series footprint.
Breaking capacity and selectivity
The 7.5 kA rated breaking capacity per EN 60898 at 415 V AC is the key coordination figure for this MCB. It means the breaker can safely interrupt a fault current up to 7.5 kA without upstream device intervention — sufficient for most residential and light commercial distribution boards where the prospective short-circuit current at the panel is below that level. For industrial panels with higher fault levels, a current-limiting upstream MCCB or fuse would be needed for full selectivity. The C characteristic (magnetic trip between 5× and 10× In) means the 13 A breaker holds through starting surges typical of small motors, pumps, and capacitor banks, while still tripping quickly on hard shorts. This is the standard choice for general-purpose final circuits in European-style distribution boards.
Active production and sourcing
The breaker supports installation of supplementary devices (auxiliary switches, shunt trips, alarm contacts) via the product extension interface, making it field-upgradable for remote status monitoring or emergency shutdown integration.
Panel integration and environmental fit
Mounts on standard 35 mm DIN rail per EN 60715. The 36 mm width (2 MW) matches the modular grid of SENTRON distribution boards and enclosures. IP20 protection with connected conductors — suitable for enclosed distribution panels; not rated for washdown or outdoor exposure without a weatherproof enclosure. Operating temperature range -40 °C to 75 °C covers heated indoor panels and unheated outdoor cabinets in temperate climates. Halogen-free and silicon-free construction reduces toxic gas emission in fire scenarios and avoids silicone outgassing that can contaminate sensitive contacts in adjacent equipment — relevant for installations in public buildings, data centers, or medical facilities.