PRESSURE RELIEF VALVES

S-3 & S-16 is provided with weather proof IP 67 limit switch with lever, visible mechanical indicator & rain guard. The visible indicator shows Normal (Green) / Abnormal (red) condition of transformer. The switch & visible indicator is actuated by movement of sealing cap and switch to be reset manually, it automatically resets visible indicator. All PRV is provided with splash guard and drain plug to prevent oil to splash all over the transformer, and a safe passage to splashed oil when PRV operates