Pepperl Fuchs NBB20-U2-UU
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Quick facts
| Availability | Confirmed on request |
| Category | Inductive Sensors |
| Lifecycle | active |
| Warranty | 12-month (new) · 3-month (used/refurbished) |
Shipping & availability
When can NBB20-U2-UU be shipped?
NBB20-U2-UU is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.
Can I pick up NBB20-U2-UU in person?
Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.
Is express delivery available?
Yes — mention it when you request a quote for NBB20-U2-UU and we'll include express shipping options in our reply.
My factory is down and I need this urgently — can you help?
For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for NBB20-U2-UU, subject to availability and destination.
Inductive sensor. Switching function: Normally open/closed (NO/NC), Output type: Two-wire, Installation: flush, Output polarity: AC/DC, Output type: 2-wire, Construction type: Rectangular, Series: <i>VariKont</i> <sup>®</sup>, Switching frequency: AC, 0 ... 30 Hz<BR>DC, 0 ... 100 Hz, Rated operating voltage: 24 ... 250 V DC / 24 ... 230 V AC, Operating voltage: 20 ... 275 V DC / 20 ... 253 V AC, Connection type: terminal compartment, Housing material: PA 6.6 / metal, Degree of protection: IP67. Switching function: Normally open/closed (NO/NC). Output type: Two-wire. Rated operating distance: 20 mm. Installation: flush. Output polarity: AC/DC. Assured operating distance: 0 ... 16.2 mm. Actual operating distance: 18 ... 22 mm. Reduction factor rAl: 0.4. Reduction factor rCu: 0.3. Reduction factor r304: 0.77. Reduction factor rFe: 1. Reduction factor rBrass: 0.43. Output type: 2-wire. Switching frequency: AC, 0 ... 30 HzDC, 0 ... 100 Hz. Hysteresis: 1 ... 10 % typ. 5 %. Reverse polarity protection: reverse polarity tolerant. Short-circuit protection: pulsing. Voltage drop: ≤ 5 V (typ. 2V) DC operation ≤ 8 V (typ. 3 V) AC operation. Momentary current(20 ms, 0.1 Hz): 0 ... 3000 mA. Operating current: 5 ... 500 mA. Rated operating current: 500 mA 50/60 Hz. Lowest operating current: 5 mA. Off-state current: ≤ 1.5 mA. Usage category: AC12 , AC140 , DC12 , DC13. Time delay before availability: ≤ 300 ms. Operating voltage indicator: LED, green. Switching state indicator: LED, yellow. Error indicator: flashes when overcurrent. MTTFd: 540 a. Mission Time (TM): 20 a. Diagnostic Coverage (DC): 0 %. Rated operating voltage: 24 ... 250 V DC / 24 ... 230 V AC. Operating voltage: 20 ... 275 V DC / 20 ... 253 V AC. Standard conformity: . StandardsEN IEC 60947-5-2: . Standards: EN IEC 60947-5-2. Protection class: II. Rated insulation voltageUi230 VRated impulse withstand voltageUimp2.5 kV: Ui. Rated insulation voltage: 230 V. Rated impulse withstand voltage: 2.5 kV. UL approval: cULus Listed Load Type: General Purpose Enclosure Type Rating: Type 1 Supply/Switching Voltage: 250 V AC / 273 V DC Output Switching Current: 500 mA Further UL information see section "Additional Information". CCC approval: Ue 75 V DC - 250 V DC Ue 75 V AC - 230 V AC. Ambient temperature: -25 ... 85 °C (-13 ... 185 °F). Storage temperature: -25 ... 85 °C (-13 ... 185 °F). Pollution degree: 3. Connection type: terminal compartment. Information for connection: A maximum of two conductors with the same core cross section may be mounted on one terminal connection! tightening torque 1.2 Nm + 10 %. Core cross section: up to 2.5 mm2. Minimum core cross-sectionwithout wire end ferrules 0.5 mm2 , with connector sleeves 0.34 mm2Maximum core cross-sectionwithout wire end ferrules 2.5 mm2 , with connector sleeves 1.5 mm2: . Minimum core cross-section: without wire end ferrules 0.5 mm2 , with connector sleeves 0.34 mm2. Maximum core cross-section: without wire end ferrules 2.5 mm2 , with connector sleeves 1.5 mm2. Housing material: PA 6.6 / metal. Sensing face: PA 6.6. Housing base: plastic. Degree of protection: IP67. Mass: 255 g. Dimensions: . Height40 mmWidth40 mmLength118 mm: . Height: 40 mm. Width: 40 mm. Length: 118 mm
Specifications
General specifications
| Switching function | Normally open/closed (NO/NC) |
| Output type | Two-wire |
| Rated operating distance | 20 mm sn |
| Installation | flush |
| Output polarity | AC/DC |
| Assured operating distance | 0 ... 16.2 mm sa |
| Actual operating distance | 18 ... 22 mm sr |
| Reduction factor rAl | 0.4 |
| Reduction factor rCu | 0.3 |
| Reduction factor r304 | 0.77 |
| Reduction factor rFe | 1 |
| Reduction factor rBrass | 0.43 |
| Output type | 2-wire |
Nominal ratings
| Switching frequency | AC, 0 ... 30 HzDC, 0 ... 100 Hz f |
| Hysteresis | 1 ... 10 % typ. 5 % H |
| Reverse polarity protection | reverse polarity tolerant |
| Short-circuit protection | pulsing |
| Voltage drop | ≤ 5 V (typ. 2V) DC operation ≤ 8 V (typ. 3 V) AC operation Ud |
| Momentary current(20 ms, 0.1 Hz) | 0 ... 3000 mA |
| Operating current | 5 ... 500 mA IL |
| Rated operating current | 500 mA 50/60 Hz Ie |
| Lowest operating current | 5 mA Im |
| Off-state current | ≤ 1.5 mA Ir |
| Usage category | AC12 , AC140 , DC12 , DC13 |
| Time delay before availability | ≤ 300 ms tv |
| Operating voltage indicator | LED, green |
| Switching state indicator | LED, yellow |
| Error indicator | flashes when overcurrent |
Functional safety related parameters
| MTTFd | 540 a |
| Mission Time (TM) | 20 a |
| Diagnostic Coverage (DC) | 0 % |
Electrical specifications
| Rated operating voltage | 24 ... 250 V DC / 24 ... 230 V AC Ue |
| Operating voltage | 20 ... 275 V DC / 20 ... 253 V AC UB |
Compliance with standards and directives
| Standard conformity | |
| StandardsEN IEC 60947-5-2 | Standards |
| Standards | EN IEC 60947-5-2 |
Approvals and certificates
| Protection class | II |
| Rated insulation voltageUi230 VRated impulse withstand voltageUimp2.5 kV | Ui Rated insulation voltage |
| Rated insulation voltage | 230 V Ui |
| Rated impulse withstand voltage | 2.5 kV Uimp |
| UL approval | cULus Listed Load Type: General Purpose Enclosure Type Rating: Type 1 Supply/Switching Voltage: 250 V AC / 273 V DC Output Switching Current: 500 mA Further UL information see section "Additional Information" |
| CCC approval | Ue 75 V DC - 250 V DC Ue 75 V AC - 230 V AC |
Ambient conditions
| Ambient temperature | -25 ... 85 °C (-13 ... 185 °F) |
| Storage temperature | -25 ... 85 °C (-13 ... 185 °F) |
| Pollution degree | 3 |
Mechanical specifications
| Connection type | terminal compartment |
| Information for connection | A maximum of two conductors with the same core cross section may be mounted on one terminal connection! tightening torque 1.2 Nm + 10 % |
| Core cross section | up to 2.5 mm2 |
| Minimum core cross-sectionwithout wire end ferrules 0.5 mm2 , with connector sleeves 0.34 mm2Maximum core cross-sectionwithout wire end ferrules 2.5 mm2 , with connector sleeves 1.5 mm2 | Minimum core cross-section |
| Minimum core cross-section | without wire end ferrules 0.5 mm2 , with connector sleeves 0.34 mm2 |
| Maximum core cross-section | without wire end ferrules 2.5 mm2 , with connector sleeves 1.5 mm2 |
| Housing material | PA 6.6 / metal |
| Sensing face | PA 6.6 |
| Housing base | plastic |
| Degree of protection | IP67 |
| Mass | 255 g |
| Dimensions | |
| Height40 mmWidth40 mmLength118 mm | Height |
| Height | 40 mm |
| Width | 40 mm |
| Length | 118 mm |
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