Carlo Gavazzi Proximity Sensor Inductive, M30 Thermoplastic Polyester Short Housing, 15mm Non-Flush, Namur Switching, Cable, 8.2VDC. Proximity switch in M12, M18 and M30 polyester housing. Made in accordance with Euronorm EN 50 227 and EN 60 947-5-2. For metal versions refer to type IA 12E....Amplifier relay SD.... is available.