Description
Schneider RH99M Earth Fault Relay
The Schneider RH99M earth fault relay adds residual current monitoring to MCCBs and ACBs that lack built-in earth leakage protection. The wide 0.03–30A adjustable sensitivity range and 0–4.5s time delay make it suitable for a variety of applications from personnel protection to selective coordination.
- Type: RH99M
- Sensitivity Range: 0.03–30A (adjustable)
- Time Delay: 0–4.5 seconds (adjustable)
- Application: Add-on earth leakage detection for MCCB/ACB
- Requires: External toroid (sold separately)
- Brand: Schneider Electric



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