Carlo Gavazzi Proximity Sensor -Rectangular safety magnetic sensors SMS03 Safety category 4 according to EN 954-1 ;2 NO outputs 1 NC auxiliary output (SMS03NC only) Product Specifications Body Style Rectangular Connection Type Cable Housing Material Plastic IP Rating IP67 Maximum Operating Temperature - 25 to 70 °C Measurement Range 17 - 23 mm Output Reed Contact Primary Type Magnetic Proximity Sensors Series SMSAP Series