Schneider Electric 8501NR51 NSNBC01 Relay

Schneider Electric 8501NR51 is a plug-in relay socket (Harmony 8501N) that accepts Type N plug-in relays and 9050JCK timers, forming a reliable interface in control panels. It features eight tubular pins in a single-tier arrangement and supports both DIN rail and panel mounting, with single-tier screw-clamp terminals to simplify field wiring. Rated for up to 15 A at 300 V AC and up to 5 A at 600 V AC, the 8501NR51 provides flexible performance for a range of industrial loads while preserving compact, modular installation. Designed for use with 8501KP relays and 9050JCK timers, this socket is part of the Square D Harmony 8501 family, a common choice for general-purpose control circuits in manufacturing and material handling environments. The 8501NR51 is typically mounted on a DIN rail or panel and uses screw-clamp terminals, ensuring secure connections in crowded control panels and when wiring through conduit or terminal blocks.