Allen‑Bradley 800H‑R3HA7 Hazardous Location Hand‑Off‑Auto Selector Switch is a three‑position control device designed for use in classified environments, providing HAND‑OFF‑AUTO operation for local process control in hazardous locations. It is rated for up to 600 V AC and 550 V DC, supporting typical motor and equipment control circuits in hazardous areas. As part of the 800H Hazardous Location family, the unit carries Type 7 and 9 hazard‑location ratings and is intended for assemblies that integrate a hand‑off‑auto selector in equipment enclosures for safe, fail‑safe operation.
