The MR-50LK2+ is a vertical type plastic case for junction designed for use with 50-contact rectangular connectors in the MR series. This case body features a dual mechanism of screws and spring-locks to withstand shock and vibration, along with a dust-tight mechanism capable of withstanding harsh environments. The case is engineered for compact, lightweight design suitable for downsizing equipment while maintaining high density and robust construction. It is commonly used in factory automation, communications equipment, data terminal equipment, instrumentation, medical equipment, and leisure electronic equipment applications where reliable connector housing and protection are required.