Many procurement teams check NBB20-U4-Z2 against Sick Proximity Sensor, P&F Sensors and P&F Photoelectric Sensor before signing purchase orders, verifying quality, compliance, and after-sales support availability.
Pepperl Fuchs NBB20-U4-Z2 Proximity Sensor
The Pepperl Fuchs NBB20-U4-Z2 Proximity Sensor offers a 20 mm operating distance, 2-wire, Normally open/closed (NO/NC), output, and flush installation. Manufactured by Pepperl Fuchs under the P&F Proximity Sensor category.

| Brand | Pepperl Fuchs |
| Product Type | Proximity Sensor |
| Model Number | NBB20-U4-Z2 |
Pepperl Fuchs NBB20-U4-Z2 Proximity Sensor β Technical Specifications
| Specification | Value |
|---|---|
| Switching function | Normally open/closed (NO/NC) |
| Output type | 2-wire |
| Rated operating distance | 20 mm |
| Installation | flush |
| Output polarity | DC |
| Assured operating distance | 0 ... 16.2 mm |
| Operating voltage | 5 ... 60 V DC |
| Switching frequency | 0 ... 250 Hz |
| Hysteresis | typ. 5 % |
| Reverse polarity protection | reverse polarity tolerant |
| Short-circuit protection | pulsing |
| Switching state indicator | 2 LED, yellow |
| Ambient temperature | -25 ... 85 Β°C (-13 ... 185 Β°F) |
| Connection type | screw terminals |
| Housing material | PA/metal with epoxy powder coating |
| Sensing face | PA |
| Degree of protection | IP68 / IP69K |
| Mass | 225 g |




