Pepperl Fuchs

Pepperl Fuchs UBR250-F77-E2-V31

Reflex ultrasonic sensor

MPN: UBR250-F77-E2-V31
Category: Diffuse Mode and Retroreflective Sensors

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Pepperl Fuchs UBR250-F77-E2-V31?

Miniature design

Program input

Degree of protection IP67

Switching status indicator, yellow LED

Reflex ultrasonic sensor, Miniature design, Program input, Degree of protection IP67, Series: UB-F77, Rated operating voltage: 24 V DC, Operating voltage: 20 ... 30 V DC , ripple 10 %SS ; 12 ... 20 V DC sensitivity reduced to 90 %, Output type: 1 switch output PNP, NO, UL approval: cULus Listed, Class 2 Power Source, CCC approval: CCC approval / marking not required for products rated ≤36 V, Connection type: M8 x 1 connector , 4-pin, Housing: Polycarbonate

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	233261
Sensing range	0 ... 250 mm
Adjustment range	53 ... 250 mm
Standard target plate	20 mm x 20 mm
Transducer frequency	approx. 400 kHz
Response delay	≤ 50 ms
Lifecycle	Active (current Pepperl+Fuchs product)

Limit data

Permissible cable length

max. 300 m

Indicators/operating means

LED yellow

switching state and flashing: Teach-In

Electrical specifications

Rated operating voltage	24 V DC Ue
Operating voltage	20 ... 30 V DC , ripple 10 %SS ; 12 ... 20 V DC sensitivity reduced to 90 % UB
No-load supply current	≤ 20 mA I0
Time delay before availability	≤ 150 ms tv

Input

Input type	1 program input
Level	low level : 0 ... 0.7 V (Teach-In active) high level : UB or open input (Teach-In inactive)
Input impedance	16 kΩ
Pulse length	≥ 3 s

Output

Output type	1 switch output PNP, NO
Rated operating current	200 mA , short-circuit/overload protected Ie
Voltage drop	≤ 2 V Ud
Switching frequency	10 Hz f
Off-state current	≤ 0.01 mA Ir
Temperature influence	0.17 %/K

Compliance with standards and directives

Standard conformity: Standards

EN IEC 60947-5-2:2020 IEC 60947-5-2:2019

Approvals and certificates

UL approval	cULus Listed, Class 2 Power Source
CCC approval	CCC approval / marking not required for products rated ≤36 V

Ambient conditions

Ambient temperature	-25 ... 70 °C (-13 ... 158 °F)
Storage temperature	-40 ... 85 °C (-40 ... 185 °F)
Shock resistance	30 g , 11 ms period
Vibration resistance	10 ... 55 Hz , Amplitude ± 1 mm

Mechanical specifications

Connection type	M8 x 1 connector , 4-pin
Degree of protection	IP67
Material: Housing	Polycarbonate
Material: Transducer	epoxy resin/hollow glass sphere mixture; polyurethane foam
Installation position	any position
Mass	10 g
Tightening torque, fastening screws	max. 0.2 Nm
Dimensions: Height	31 mm
Dimensions: Width	12 mm
Dimensions: Length	23 mm

Factory settings

Output

reflector distance 250 mm

Downloads & documentation

Official documents from Pepperl Fuchs, downloaded directly from the manufacturer.

Data sheets & manuals

CAD & dimension drawings

Certificates (3)

UBR250-F77-E2-V31: frequently asked questions

When can UBR250-F77-E2-V31 be shipped?

UBR250-F77-E2-V31 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 UBR250-F77-E2-V31 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 UBR250-F77-E2-V31 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 UBR250-F77-E2-V31, subject to availability and destination.