The Schneider 50761 VIGILOHM SM21 is a network insulation monitor designed for critical electrical system monitoring. This unit is part of the VIGILOHM SM series, engineered to detect and report insulation faults in IT (unearthed) networks. Its primary function is to enhance operational safety and prevent costly downtime by providing early warning of insulation degradation.

Technical details

• Series: VIGILOHM SM21
• Voltage Compatibility: Designed for 220-240 VAC networks.
• Function: Network insulation monitoring for IT (unearthed) systems.
• Fault Detection: Monitors insulation resistance to ground.
• Alarm Indication: Provides visual and/or audible alarms upon fault detection.
• Reporting: Capable of reporting insulation status and fault conditions.
• Network Interface: Features a network interface for integration into SCADA or monitoring systems.
• Application: Suitable for applications requiring continuous monitoring of insulation integrity in ungrounded electrical systems.

Applications & compatibility

The Schneider 50761 VIGILOHM SM21 is commonly deployed in industrial facilities, data centers, hospitals, and other environments where reliable and safe operation of ungrounded electrical systems is paramount. It is essential for applications such as emergency power systems, control circuits, and sensitive electronic equipment protection.

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 50761 or contact our technical team for cross-reference assistance with compatible VIGILOHM components.