Operating voltage is 230 V AC single-phase, 50/60 Hz. The D-curve trips between 10× and 20× In (160 A to 320 A magnetic trip threshold), which is the key spec for motor or transformer branch circuits. At 1.2 W power loss per pole in hot operating state, thermal management inside a crowded enclosure is manageable — no forced cooling needed at this rating. The MCB is sealable (tamper-evident cover) and halogen-free / silicon-free, which matters for installations with sensitive contacts or where corrosive outgassing is a concern.
Width is 36 mm (2 modular width units on a DIN rail), depth 76 mm, height 90 mm, with 70 mm installation depth behind the panel face. IP20 with connected conductors, so it belongs inside a closed enclosure, not exposed to washdown. The neutral conductor is switched internally, so no separate neutral pole block is needed.
Production status is Active per Siemens — this is a current catalog item, not a phase-out or NRND line. The 5SL4516-8 is part of the standard SENTRON 5SL portfolio, widely specified for European-style distribution boards. No known PCN or EOL notice on this variant.