Sicma Panel-Through Sealed & Unsealed Connectors Aptiv Sicma Panel-Through Sealed and Unsealed Connectors are ideal for door-to-body, cockpit-to-engine, or battery-to-inverter (HEV/EV) solutions. These connectors feature a compact size for panel-mount applications and electrical links passing through a wall. The mat-sealed version offers a circular through-hole for convenience while the unsealed version utilizes a retractable protecting grid for male terminals to avoid pin bending. Aptiv Sicma Panel-Through Sealed and Unsealed Connectors offer a 2G or 3G vibration rating, range of cavity count (ways) and cavity configurations, and an operating temperature range of -40°C to +125°C.