The RLY-12PL large relay panel is an ultra-silent, power-switching panel suitable for snow melting, slab heating and roof deicing applications. Housed in a NEMA 1 indoor enclosure, this large panel is C-UL-US approved and rated for up to 24 amps. The RLY-12PL panels can be used with 120, 208, 240 or 277 Vac cables and equipped with clearly labeled terminals for ease of wiring.