Arrow Hart 1991PL Single Pole Pilot Light Switch is an industrial‑grade toggle switch with a built‑in red pilot indicator, rated for 20A and compatible with 120/277 VAC circuits for clear status signaling in control panels and equipment enclosures. The device uses back‑ and side‑wire screw terminals for flush mounting and features a phenolic body with compact dimensions (about 1.3 in depth, 4.19 in tall, 1.005 in wide) that accepts #14–10 AWG conductors. It is listed for cULus and designed for industrial applications, delivering reliable operation in demanding environments.
