| 摘要 |
A Medium Voltage Circuit Breaker (CR) comprising an electronic protection and control unit (1) having:
- a base (2), fixed to the CB, comprising a main body (21) having fixing means (210) for fixing to the CB, a first side (22) of said main body comprising a confined space (220) including connections (221) to the CB and internal accessories thereof, a second side (23) of said main body comprising a plurality of first power and/or signal connection means (231);
- a removable unit (3) comprising a casing (31), a first part (310) of said casing hosting one or more Intelligent Electronic Devices, a second part (320) of said casing being removably coupled to said base (2) and comprising a plurality of second power and/or signal connection means (321) connected to said first power and/or signal connection means (231). |
