Key Parameters Category Description / Value Product Line Eaton E (Residual Current Releases) Type Residual Current Release (RCD Module) Compatible Main Device Specific Eaton load breakers (e.g., certain PL, EZ9 series MCBs). Poles For use with 1-pole (1P) main devices. Rated Residual Operating Current (IΔn) 30 mA (0.03 A) Test Function Manual Test Button (as indicated by "ME" suffix) Mounting Side-mounted onto the compatible load breaker. Connection Wiring for the current transformer and auxiliary connections.