Pepperl + Fuchs Inductive Barrel-Style Proximity Sensor, M18 x 1, 5 mm Detection, 5 → 60 V dc, IP67

for Z1 models L+ terminal is numbered 1/BN L- terminal is numbered 2/BU. Two Wire dc. Features and benefits. St. steel housing with PBT sensing face. LED indication. Embeddable. IP67. Operating temperature range -25 → +70°C. EN 60947-5-2. Short circuit and reverse polarity protection