The Lewden G06-1B16 is a 6kA 16Amp Miniature Circuit Breaker for use on 230/400V circuits with 63 Amp Rating.
these are repalcing the CGD (Control Gear Direct) Brand you may be sent CGD or Lewden both will fit the Fuse Board (Product Logo may be different from Image)
Type B 6kA Circuit breakers provide protection for cables, filament lighting circuits, heating loads and domestic applications.
Conforms to BS EN 60898.