The ETC ERP2-120V SM is a surface-mount door accessory intended for use with a 120 V Echo Relay Panel. For contractors, integrators, and facility teams building or servicing ETC architectural lighting control systems, this component supports panel completion where the specified surface-mount door is required.

This lighting accessory is suited to installed environments that rely on organized, code-conscious panel assembly, including commercial, education, hospitality, and performance spaces using Echo Relay Panel infrastructure. When sourcing replacement parts or specifying components from the Echo Relay Panel ordering table, the ERP2-120V SM gives buyers a clear match for the listed surface-mount door requirement.