Overview
The EZ9F53416 is a Schneider Easy9 4-pole miniature circuit breaker rated 16 A with a C-curve magnetic trip at 8.5 x In +/- 20 %, built for distribution duty on 400 V AC 60 Hz networks. It carries a 3 kA Icu breaking capacity per SANS 60947-2, Limitation Class 3, and is certified CE with an IP20 finger-safe enclosure.
Selection and sizing
The 3 kA Icu suits distribution boards with a prospective short-circuit current at or below that level; the C-curve's 8.5 x In magnetic threshold handles motor inrush and lighting loads without nuisance tripping on moderate starts. Tunnel terminals accept 1 to 25 mm² rigid or flexible copper, torqued to 2 N.m top or bottom, covering standard branch-circuit wiring up to the 16 A rating.