The Schneider 50491, a component of the Vigilohm insulation monitoring system, is engineered for the critical task of monitoring ungrounded or IT electrical networks at the feeder level. This device is designed for failsafe operation, ensuring continuous and reliable monitoring of network integrity. It operates within a specified voltage range and is compatible with standard industrial frequencies.

Technical details

• Series: Vigilohm
• Product Type: Insulation Monitoring Device
• Voltage Range: 220-240 V AC
• Frequency Compatibility: 50/60 Hz
• Network Type: Ungrounded (IT) networks
• Mounting: Feeder level monitoring
• Operation: Failsafe monitoring
• Functionality: Detects insulation faults in real-time to prevent system downtime.

Applications & compatibility

This insulation monitoring device is essential for applications requiring high network availability and safety, such as in critical infrastructure, medical facilities, or process control systems where unplanned shutdowns are unacceptable. It is compatible with various industrial electrical distribution systems that utilize ungrounded configurations.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider 50491 or contact our technical team for cross-reference assistance with compatible Vigilohm system components.