VigiPacT
Schneider Electric catalog image for this SKU; may represent the product family.
RESIDUAL CURRENT PROTECTION RELAY
residual current protection relay, Vigirex RH99M, 30 mA to 30 A, 110/130 VAC 50/60 Hz, DIN rail mounting
SKU 56172Schneider Electric 56172 is a residual current protection relay in the VigiPacT range. Key specifications include mounting support: DIN rail; ip protection: IP40 on front face: conforming to EN/IEC 60529; net weight: 0.3 kg.
DIN railMounting support
IP40 on front face: conforming to EN/IEC 60529IP protection
0.3 kgNet weight
PRODUCT DATA
Technical specifications
Source: Schneider Electric product catalog.
Verified September 18, 2026.
| Product reference | 56172 |
|---|---|
| Range | VigiPacT |
| Device short name | RH99M |
| Product or component type | Residual current protection relay |
| Relay application | Protection relay |
| Mounting support | DIN rail |
| Earth-leakage protection class | Type A |
| Type of setting | Selector |
| Residual earth-leakage sensitity adjustment type | Adjustable 9 settings |
| Earth-leakage sensitivity | 0.03…30 A |
| Earth-leakage time delay | Instantaneous for 0.03 A Adjustable 9 settings 0…4.5 s for 0.03…30 A |
| Current sensors compatibility | VigiPacT TOA earth leakage current sensor VigiPacT A earth leakage current sensor VigiPacT L earth leakage current sensor |
| [Ithe] conventional enclosed thermal current | 8 A |
| Minimum load | 10 mA at 12 V |
| [Us] rated supply voltage | 110...130 V AC 50/60 Hz 55...110 % |
| Power consumption in VA | 4 VA |
| Monitored distribution system | 1000 V - AC at 50/60 Hz (maximum) 1000 V - AC at 400 Hz (maximum) |
| Earthing system | TT IT TN-S |
| [Uimp] rated impulse withstand voltage | 8 kV |
| Reset | Manual reset |
| Test function | Remote test Local |
| Monitoring | Electronics (continuous) Power supply (continuous) Relay/sensor link (continuous) |
| Type of measurement | Earth fault current internal measurement, range: 80...100 % |
| Tamperproof of settings | Protected by sealable cover |
| Connections - terminals | Auxiliary power supply: terminal block cable(s) 0.2…2.5 mm² flexible 24 AWG...12 AWG Auxiliary power supply: terminal block cable(s) 0.2…2.5 mm² rigid 24 AWG...12 AWG Auxiliary power supply: terminal block cable(s) 0.25…2.5 mm² flexible 24 AWG...12 AWG Fault: screw terminal cable(s) 0.2…2.5 mm² flexible 24 AWG...12 AWG Fault: screw terminal cable(s) 0.2…4 mm² rigid 24 AWG...12 AWG Fault: screw terminal cable(s) 0.25…2.5 mm² flexible 24 AWG...12 AWG Relay test and fault reset: screw terminal cable(s) 0.14…1 mm² flexible 26 AWG...16 AWG Relay test and fault reset: screw terminal cable(s) 0.14…1.5 mm² rigid 26 AWG...16 AWG Relay test and fault reset: screw terminal cable(s) 0.25…0.5 mm² flexible 26 AWG...16 AWG Sensor: screw terminal cable(s) 0.14…1 mm² flexible 26 AWG...16 AWG Sensor: screw terminal cable(s) 0.14…1.5 mm² rigid 26 AWG...16 AWG Sensor: screw terminal cable(s) 0.25…0.5 mm² flexible 26 AWG...16 AWG Voltage presence: screw terminal cable(s) 0.2…2.5 mm² flexible 24 AWG...12 AWG Voltage presence: screw terminal cable(s) 0.2…4 mm² rigid 24 AWG...12 AWG Voltage presence: screw terminal cable(s) 0.25…2.5 mm² flexible 24 AWG...12 AWG |
| Wire stripping length | Auxiliary power supply: 7 mm for top connection Fault: 8 mm for bottom connection Relay test and fault reset: 5 mm for bottom connection Sensor: 5 mm for top connection Voltage presence: 8 mm for bottom connection |
| Tightening torque | Auxiliary power supply: 0.6 N.m top Fault: 0.6 N.m bottom Relay test and fault reset: 0.25 N.m bottom Sensor: 0.25 N.m top Voltage presence: 0.6 N.m bottom |
| 9 mm pitches | 6 |
| Standards | EN/IEC 60947-2 Annex M EN/IEC 60755 UL 1053 CAN/CSA C22.2 No. 144 |
| Width | 54 mm |
| Height | 81 mm |
| Depth | 74 mm |
| Net weight | 0.3 kg |
| IP degree of protection | IP40 on front face: conforming to EN/IEC 60529 IP30 on side parts: conforming to EN/IEC 60529 IP20 on connection terminals: conforming to EN/IEC 60529 |
| IK degree of protection | IK07 conforming to EN 50102 |
| Mechanical robustness | Fire resistance conforming to IEC 60695-2-1 IK protection 2 joules: IK07 conforming to EN 50102 Vibrations 13.2...100 Hz: 0.7 g Vibrations 2...13.2 Hz: +/- 1 mm |
| Overvoltage category | IV |
| Electrical shock protection class | Class II |
| Electromagnetic compatibility | Conducted and radiated emissions: , B, conforming to CISPR 11 Conducted radio-frequency immunity test: , 3, conforming to IEC 61000-4-6 Electrostatic discharge immunity test: , 4, conforming to IEC 61000-4-2 High-energy conducted susceptibility: , 4, conforming to IEC 61000-4-5 Low-energy conducted susceptibility: , 4, conforming to IEC 61000-4-4 Radiated susceptibility: , 3, conforming to IEC 61000-4-3 |
| Relative humidity | 95 % at 55 °C |
| Pollution degree | 3 conforming to IEC 60664-1 |
| Ambient air temperature for operation | -35…70 °C |
| Ambient air temperature for storage | -55…85 °C |
For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official Schneider Electric reference ↗.
Browse control and overload relays →Browse residual current protection →