For tightening the sealing nut of MC4 solar connectors
*MC4 Connectors not included
Where to use it
These spanners are designed to assist with connecting and disconnecting male and female MC4 solar connectors. The open-ended wrench is designed to grip the base of the MC4 connectors, while the tool's cavity is designed to hold the tip/nose of the MC4 connectors. These cavities can be used to create a tight, weatherproof seal for the MC4 connectors. Additionally, the spanners feature two sets of pins, which can be used to disconnect the male and female connectors from each other.
About Alvolta
Australian-owned and operated and driven by a passion for excellence, Alvolta offers unwavering performance and durability even in harsh Australian conditions. Alvolta specialises in precision-engineered DC components, designed to enhance off-grid adventures. Their commitment to delivering superior power performance with uncompromising quality is evident in their lineup of solar panels, solar charge controllers, circuit protection devices, mounting solutions, tools, and more. Supply yourself with all the arsenal you need to extend your power supply and adventure for longer with Alvolta.
An MC4 spanner is a small tool designed to tighten and loosen MC4 solar connectors safely and efficiently. It helps ensure a secure, weatherproof connection between solar panel cables without damaging the connector housing.
MC4 connectors have both male and female ends that need to be held simultaneously when tightening or loosening. Using two spanners - one for each side - allows you to achieve a firm connection and proper torque while preventing twisting or cable strain.
While it’s possible to connect them by hand, using MC4 spanners ensures a tighter and more reliable seal. This is especially important for outdoor or high-voltage solar systems where secure, weatherproof connections are critical for performance and safety.