The YMD11 80A 3P 4P Isolator Switch is a DC disconnection device with load break capability. It is an ON OFF Rotary Cam Switch in the LW30 80 family (80A 3P). Key benefits and features - Provides safe DC isolation with load break capability for DC circuits up to 80 A - ON OFF Rotary Cam Switch operation for simple, reliable switching - Model LW30 80 clearly identifies the switch family and current rating (80A 3P) - Designed for 3P 4P configurations to support multi conductor DC systems - Helps protect personnel and equipment during maintenance or fault conditions - Suitable for integration into DC power distribution and control panels requiring clear mechanical isolation What it is used for - DC disconnection in power control circuits to enable safe maintenance and servicing - Load break switching in DC distribution for battery banks or DC link systems - Isolation of DC feeders in industrial controls and battery or solar DC installations 2-3 practical use scenarios - Scenario 1: In a DC control panel for a battery energy storage system, use the YMD11 isolator to safely disconnect the battery bank during maintenance or testing. - Scenario 2: In a solar PV DC side installation, use the isolator to disconnect the DC feed from the PV array for servicing or troubleshooting. - Scenario 3: In an industrial DC motor control circuit, use the switch to isolate a DC motor load for repair or preventive maintenance, ensuring safe de-energization. Operational characteristics - Function: DC disconnect with load break capability - Type: ON OFF Rotary Cam Switch - Poles/configuration: 3P 4P - Current rating: 80 A - Model: LW30 80 (80A 3P)