Pepperl Fuchs HR-021**1

Hydrostatic Pressure Switch

MPN: HR-021**1
Category: Conductive Limit Switches

Price and lead time confirmed within 1 business day

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1We check stock, condition and lead time
2You get a written quote by email
3Approve 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 HR-021**1?

Limit value detection for liquids as maximum detection

High switching capacity

Used in open or pressureless vessels

Limit value detection for liquids as maximum detection, High switching capacity, Used in open or pressureless vessels

Specifications

General specifications

Order code (Pepperl+Fuchs part number)	T23923
Equipment architecture	switching element: changeover switching on point: 15 mbar ± 3 mbar, switching off point: 9 mbar ± 3 mbar max. hydrostatic pressure: 500 mbar
Series	HR-021**1
Lifecycle	Active (current Pepperl+Fuchs product)

Supply

Rated voltage	253 V AC , 50/60 Hz Ur
Current consumption	max. 1 A

Conformity

Degree of protection

IEC 60529:2001

Operating conditions

Process conditions: Process temperature

-20 ... 70 °C (-4 ... 158 °F)

Ambient conditions

Ambient temperature

-20 ... 70 °C (-4 ... 158 °F)

Mechanical specifications

Degree of protection	IP54
Connection	flat plug 6.3 x 0.8 mm (0.25 x 0.03 inch), DIN 46244
Material	housing: PA pipe: stainless steel 1.4571/316Ti or PVC
Dimensions	housing: 100 x 75 x 80 mm (4 x 3 x 3.1 inch) pipe: length L 180 ... 5000 mm (0.6 ... 16.5 ft)
Process connection	thread G1/2 to ISO 228

General information

Supplementary information

Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see www.pepperl-fuchs.com.

HR-021**1: frequently asked questions

When can HR-021**1 be shipped?

HR-021**1 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 HR-021**1 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 HR-021**1 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 HR-021**1, subject to availability and destination.