Autonics Area Sensor, Through beam type(cross beam) BWC40 12HD Stroke_143^130mm IEC 60947 31 [Icw] rated IEC 60947 31 [Icw] rated short time withstand current Trip unit characteristics Thermal magnetic L : for overload protection (long time) I : for instantaneous short circuit protection [Ir] Long time pick up adjustment range Fixed [Iu] Long time pick up adjustment range [tr] Long time delay adjustment range [Isd] Short time pick up adjustment range [tsd] Short time delay adjustment range [Ii] Instantaneous pick up adjustment range Fixed 12 x In Specification item model symbol Specification information With auto switch D With auto switch Mounting support type B Basic type (with bosses on both sides) tube inner diameter 40 tube inner diameter 40mm cylinder stroke 125 Cylinder stroke 125mm how it works S Dandong: Forward Rod end screw shape rod end male thread rocking support bracket no metal fittings rod end bracket no metal fittings auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard