... reliability, dual relay output 4. Perfect anti-interference SNB Series: 1. Fit for kinds of Machinery Fields*Comprise of ... receiver, controller, connection cables and mounting fittings. 2. SNB series's specification * Fast response time <20ms.* LED indicator,easy ... 2840mmSNBxx80 80,240,400,560......1520mmMounting Brackets refers to illustrated catalogue. 3. Main Parameters: Power SupplyAC220V/110V±15% ...