Sterling 12V 140A Split Charge Relay – Voltage Sensitive Relay (VSR) for Campervan & Marine Use allowing controlled airflow via the

allowing controlled airflow via the gauge or regulator

AQL Rating: 1

Sheet metal & thin steel

⚠️ Ensure the backing pad size matches your sander and disc type

Sterling 12V 140A Split Charge Relay – Voltage Sensitive Relay (VSR) for Campervan & Marine Use allowing controlled airflow via theHigh Quality 12V 140A Voltage Sensitive Relay for Dual Battery Systems This Sterling 12V 140A Voltage Sensitive Relay (VSR) is designed to safely charge two separate battery banks from a single charging source, such as a vehicle alternator, without risking a flat starter battery. By monitoring battery voltage, the VSR automatically connects the secondary (leisure) battery only when the primary battery is fully charged. When voltage drops, the relay