The Stäubli 32.6028 PV-PST Test Jack is an essential tool for photovoltaic systems, designed to facilitate precise and efficient testing of electrical connections. This high-quality test jack features robust construction, ensuring durability and reliability in various environmental conditions. It is compatible with MC4 connectors, and provides a simple way to check whether the contact of the MC4 has engaged correctly in the insulation. A versatile addition to your toolkit, this test jack provides a cost-effective solution for maintaining the safety and performance of your PV installations. .