The PHOENIX CONTACT TCP 0 25A is a thermal miniature circuit breaker that is designed to be pluggable in screw-type fuse terminal blocks such as the UK 6-FSI/C and spring-cage fuse terminal blocks like the ST 4-FSI/C. This circuit breaker is reliable and easy to install, offering protection against overcurrent situations to ensure the safety of your electrical system. With a 0.25A rating, it is suitable for a variety of applications where compact and efficient overcurrent protection is required.