The EATON MOELLER P3-100/E is a 3-pole isolator switch rated for 100A at 690V ac, designed for manual load isolation and safety disconnection in industrial control panels and motor circuits. This switch disconnector provides visible break confirmation and is suitable for both single-phase and three-phase applications. Critical verification: confirm that the 690V rating and 100A capacity align with your circuit design and that screw terminals are compatible with your cable gauges.