Pepperl Fuchs 4FR1-6

Magnetic field sensor

MPN
4FR1-6
Price and lead time confirmed within 1 business day
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What happens next
  1. We check stock, condition and lead time
  2. You get a written quote by email
  3. Approve it and we ship — in-stock parts within 1 business day
  • 12-month warranty (new) · 3-month (used/refurbished)
  • 30-day returns, no restocking fee on unused parts
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What is the Pepperl Fuchs 4FR1-6?

Ferromagnetic actuated reed switch

Detects ferrous metal through nonferrous metal

One piece housing

Switching function: Normally open (NO), Output type: Reed Contact, Installation: non-flush, Output type: 2-wire AC/DC, Construction type: Rectangular, Series: Rectangular type, Threading: without, Connection type: cable, Housing material: Aluminum, Degree of protection: IP68

Specifications

General specifications

Order code (Pepperl+Fuchs part number)450050
Switching functionNormally open (NO)
Output typeReed Contact
Rated operating distance12.7 mm sn
Installationnon-flush
Output type2-wire AC/DC
Mechanical life5 x 107 switching cycles
LifecycleActive (current Pepperl+Fuchs product)

Nominal ratings

Switching frequency100 Hz f
Repeat accuracy≤ 0.13 mm
No-load supply current≤ 50 mA I0
Reed bounce timemax. 0.5 ms

Electrical specifications

Electrical ratingAC supply: 15 VA, 500 mA, 280 V RMS DC supply: 15 W, 500 mA, 400 V DC

Ambient conditions

Ambient temperature-20 ... 83 °C (-4 ... 181.4 °F)

Mechanical specifications

Connection typecable
Housing materialAluminum
Sensing faceAluminum
Degree of protectionIP68
Cable: MaterialPVC
Cable: Core cross section1.5 mm2
Cable: Length1.83 m L
Dimensions: Height93 mm
Dimensions: Width81 mm
Dimensions: Depth31 mm
NoteFull sensing range available for low carbon steel 25.4 x 76.2 x 6.35mm

Downloads & documentation

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

Data sheets & manuals

4FR1-6: frequently asked questions

When can 4FR1-6 be shipped?

4FR1-6 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 4FR1-6 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 4FR1-6 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 4FR1-6, subject to availability and destination.

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Pepperl Fuchs 4FR1-6Price and lead time confirmed within 1 business day
Request a Quote