The Wylex NHXS1B16 16 Amp Compact Miniature RCBO is a white, compact circuit breaker suitable for interior walls with a voltage range of 201-250V. It features a Type B tripping characteristic and overcurrent protection properties, making it ideal for electrical wiring installations with a maximum amperage of 16A. The RCBO operates with an on/off switch and has a DIN rail mounting style, with an IP20 rating for safety. Designed for instant break time, this Wylex RCBO offers reliable protection in various room settings.