Siemens 5SL6604-8CC Miniature Circuit Breaker — 4A D-Curve, 3+N-Pole
The Siemens 5SL6604-8CC is a 3+N-pole miniature circuit breaker rated 4 A with a D tripping characteristic, designed for 400 V AC systems and a 6 kA breaking capacity per IEC 60898. This part carries an active lifecycle status and is RoHS-compliant since June 2013, with REACH candidate-list disclosure available.
Product class B means return is restricted — coordinate with your Siemens contact or distributor before any return. This is standard for configured or project-stocked MCBs.
Integration Note — Panel Fit
Snap-on DIN rail mount, 3+N-pole (3 protected phases plus switched neutral). Occupies 4 module widths at 18 mm each — 72 mm total on the rail. Rated for 400 V line-to-line, so it fits standard 230/400 V TN and TT panels.