The Schneider Electric 56172 is a VigiPacT series differential current protection relay designed for robust electrical system monitoring. This RH99M model offers adjustable sensitivity and time delay settings, making it suitable for protecting critical machinery and personnel from ground faults and leakage currents. Its compact DIN rail mountable design facilitates easy integration into existing control panels and electrical enclosures.

Technical details

• Series: VigiPacT
• Model Designation: RH99M
• Adjustable Differential Current Range: 30mA to 30A
• Operating Voltage: 110/130VAC at 50/60Hz, and also compatible with DC voltage inputs.
• Mounting Type: DIN rail
• Protection Function: Differential current protection (ground fault/leakage current detection)
• Adjustable Time Delay: Yes, configurable for specific application requirements.
• Sensitivity Adjustment: Yes, allowing for precise setting of trip thresholds.

Applications & compatibility

This differential current protection relay is commonly employed in industrial environments to safeguard electrical installations and equipment. Applications include motor control centers, power distribution panels, and machinery requiring sensitive ground fault detection, such as those found in manufacturing plants, water treatment facilities, and HVAC systems.

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 56172 or contact our technical team for cross-reference assistance with compatible VigiPacT components.