RJ21-E2 Inductive ring sensor

Key Benefits at a Glance

21 mm inside diameter
3-wire DC

Product photo: Inductive ring sensor RJ21-E2

Dimensions: Inductive ring sensor RJ21-E2

Note

All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

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Datasheet Classification Product Documentation Design / Simulation Approvals

Technical data of RJ21-E2

Switching function

Normally open (NO)

Output type

PNP

Output polarity

DC

Inside diameter

21 mm

Measuring cylinder

Diameter		6 mm
Length		12 mm
Material		Steel 1.0711

Output type

3-wire

Operating voltage	U_B	10 ... 30 V DC
Switching frequency	f	0 ... 1000 Hz
Hysteresis	H	typ. 5%
Reverse polarity protection		reverse polarity protected
Short-circuit protection		pulsing
Voltage drop	U_d	≤ 3 V
Operating current	I_L	0 ... 200 mA
No-load supply current	I₀	≤ 20 mA

Standard conformity

Standards

EN IEC 60947-5-2

UL approval

cULus Listed, General Purpose

Ambient temperature

-25 ... 70 °C (-13 ... 158 °F)

Connection type

cable

Housing material

PBT

Degree of protection

IP67

Cable

Wire end ferrules		yes
Cable diameter		4.6 mm ± 0.2 mm
Bending radius		> 10 x cable diameter
Material		PVC
Color		grey
Number of cores		3
Core cross section		0.34 mm²
Length	L	2 m

Dimensions

Height		80 mm
Width		45 mm
Length		20 mm

General Notes