The IMB30-20NNSVC0K is an inductive sensor manufactured by Sick. It has an output configuration of NPN/NO, a sensing range of 0–20mm, an operating voltage of 10–30 VDC, and a M30 connection. Its switching current is rated at 300 mA (max), and its switching frequency is 200 Hz (max). It is designed with integrated LED indicator, reverse polarity protection, and a short circuit protection. It has an operating temperature range of -25°C to +70°C, and is IP67-rated for ingress protection.