The Model 355 3‑phase voltage monitor is perfect for heavy‑duty applications that need both protection and diagnostics while the motor is shut down. Applications include rural pump panels, commercial HVAC equipment, oil rigs, and rural HVAC equipment. The Model 355 is a versatile voltage monitor designed for 200, 400, or 600V applications. The Model 355‑200 will monitor 190 to 240V input voltages, the Model 355‑400 monitors 380 to 480V input voltages, and the Model 355‑600 monitors 575 to 600V input voltages.
