... operation interface;4.Beam Spacing:10mm,20mm,40mm,80mm SNC Series: 1. Fit for kinds of Machinery Fields*Comprise of emitter ... (transmitter), receiver, controller, connection cables and mounting fittings. 2. SNC series's specification * Fast response time <20ms.* LED indicator,easy to ... 3m,6-core connector Type 4 Safety Light Curtain SNC series,0-8000mm protection distance