Differential protection relay RH99M 54 mm 12-24 V

Differential current protection relay RH99M from the VigiPacT range, designed for relay protection applications with DIN rail mounting.

Technical features

• Rated supply voltage: 12...24 V AC 50/60 Hz (55...120 %) and 12...48 V DC (55...120 %)
• Power consumption: 4 VA
• Rated network voltage: 1000 V AC (50/60 Hz) and 1000 V AC (400 Hz)
• Earthing system: TN-S, IT, TT
• Surge voltage withstand: 8 kV
• Reset: Manual
• Test function: Remote and local
• Internal earth leakage current measurement, range: 80...100 %
• Adjustment protection: Secured by tamper-proof cover
• Protection degree IP: IP40 (front face), IP30 (sides), IP20 (terminals)
• Impact protection degree IK: IK07
• Overvoltage category: IV
• Electric shock protection class: Class II
• Electromagnetic compatibility: Conducted and radiated emissions (Class B), immunity to RF, ESD, overvoltages, and vibrations
• Operating ambient temperature: -35...70 °C
• Storage ambient temperature: -55...85 °C
• Relative humidity: 95 % at 55 °C
• Contamination degree: 3
• Weight: 0.3 kg
• Dimensions: 54 mm (width) x 81 mm (height) x 74 mm (depth)
• Connections: Screw terminals for flexible and rigid cables, conductor cross-section range from 0.14 mm² to 4 mm²
• Tightening torque: 0.25 N·m to 0.6 N·m depending on terminal
• Stripping length: 5 to 8 mm depending on connection
• Step spacing: 9 mm, 6 steps
• Sustainable offering status: Green Premium product
• EU RoHS Directive: Compliant
• REACH Regulation: No SVHC
• Waste electrical and electronic equipment (WEEE): Must be recycled according to specific EU system
• Free of mercury, free of PVC