Pepperl Fuchs NCB8-18GM40-N0-OG Data Sheet

		Inductive sensor	NCB8-18GM40-N0-OG

0102

Model Number

NCB8-18GM40-N0-OG

Features

•8 mm flush

•Usable up to SIL 2 acc. to IEC 61508

Accessories

EXG-18

Quick mounting bracket with dead stop

BF 18

Mounting flange, 18 mm

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<![endif]>Release date: 2017-06-01 08:00 Date of issue: 2017-06-01 244813_eng.xml

Technical Data

General specifications
Switching function
Output type	sn
Rated operating distance
Installation	sa
Assured operating distance
Actual operating distance	sr
Reduction factor rAl
Reduction factor rCu
Reduction factor r304
Output type
Nominal ratings	Uo
Nominal voltage
Switching frequency	f
Hysteresis	H
Reverse polarity protection
Short-circuit protection
Suitable for 2:1 technology
Current consumption
Measuring plate not detected
Measuring plate detected
Switching state indicator

Functional safety related parameters

MTTFd

Mission Time (TM)

Diagnostic Coverage (DC)

Ambient conditions

Ambient temperature

Storage temperature

Mechanical specifications

Connection type

Core cross-section

Housing material

Sensing face

Degree of protection

Cable

Bending radius

General information

Use in the hazardous area

Category

Compliance with standards and directives

Standard conformity NAMUR

Electromagnetic compatibility Standards

Approvals and certificates

CCC approval

Dimensions

Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.

Normally closed (NC)

NAMUR

8 mm flush

0 ... 6.48 mm

7.2 ... 8.8 mm typ. 8 mm

0.39

0.36

0.71

2-wire

8.2 V (Ri approx. 1 kΩ)

0 ... 1500 Hz

1 ... 15 typ. 5 %

reverse polarity protected yes

yes , Reverse polarity protection diode not required

≥ 2.2 mA ≤ 1 mA

all direction LED, yellow

2660 a

20 a

0 %

-25 ... 80 °C (-13 ... 176 °F) -40 ... 80 °C (-40 ... 176 °F)

cable PUR (halogen-free) , 2 m blue , Oil resistant , Flame-retardant as per IEC 60332-1

Mud-resistant according to IEC61892-4, appendix D Flexible at temperatures as low as -40 °C

2x 1 mm2 , black

Stainless steel 1.4305 / AISI 303

PBT

IP66 / IP67

> 5 x cable diameter

see instruction manuals 1G; 2G; 3G

EN 60947-5-6:2000

IEC 60947-5-6:1999

NE 21:2007

EN 60947-5-2:2007

IEC 60947-5-2:2007

CCC approval / marking not required for products rated ≤36 V

M18x1

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LED

1

		Inductive sensor	NCB8-18GM40-N0-OG
	Electrical Connection

1

L+

2

L-

Equipment protection level Ga

CE marking
Effective internal inductivity	Ci
Effective internal inductance	Li

Highest permissible ambient temperature

0102

≤120 nF ; a cable length of 10 m is considered.

≤50 H ; a cable length of 10 m is considered.

Details of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the temperature class, and the effective internal reactance values can be found on the EU-type examination certificate. Note: Use the temperature table for category 1 !!! The 20 % reduction in accordance with EN 1127-1 has already been applied to the temperature table for category 1.

Equipment protection level Gb
CE marking			0102
Effective internal inductivity	Ci	≤ 120 nF ; a cable length of 10 m is considered.
Effective internal inductance	Li	≤ 50 H ; a cable length of 10 m is considered.
Maximum permissible ambient temperature Tamb		Details of the correlation between the type of circuit connected, the maximum permissible ambient temperature, the
		temperature class, and the effective internal reactance values can be found on the EU-type examination certificate.
Equipment protection level Gc (ic)
CE marking
Effective internal inductivity	Ci	≤ 120 nF ; a cable length of 10 m is considered.
Effective internal inductance	Li	≤ 50 H ; A cable length of 10 m is considered.
Equipment protection level Da
CE marking			0102
Effective internal inductivity	Ci	≤ 120 F
		A cable length of 10 m is considered.
Effective internal inductance	Li	≤ 50 H
		A cable length of 10 m is considered.

<![if ! IE]>

<![endif]>Release date: 2017-06-01 08:00 Date of issue: 2017-06-01 244813_eng.xml

2Refer to “General Notes Relating to Pepperl+Fuchs Product Information”.