Pepperl+Fuchs NBB-20-U1-A2 Inductive sensor

True AC/DC 2-wire operation: Works on any voltage from 20 VAC to 253 VAC or 20 VDC to 300 VDC – no separate versions needed.

Huge terminal compartment: Direct wiring up to 2.5 mm² with easy-access screw terminals – perfect for field retrofits.

Extended 20 mm flush range: Detects all metals reliably even through thick non-metallic covers or in dirty environments.

Extreme durability: Fully potted, IP67, –25°C to +85°C, and high EMC immunity for heavy industrial and outdoor use.

Universal compatibility: Can be connected in series with loads, directly replaces mechanical limit switches, and works with any PLC or relay input.