EX-BN 20-10Z-3G/D

Item number: 101189041

EX-BN 20-10Z-3G/D

Item number: 101189041

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TraceParts CAD Data

ePLAN Data

CADENAS CAD Data

SISTEMA Data

Product type description:

EX-BN 20-(1)Z-3G/D

(1)
01	1 NC contact
02	2 NC contact
10	1 NO contact
20	2 NO contacts
11	1 NC contacts / 1 NO contact
R	1 bistable contact
2R	2 bistable contact
11R	2 bistable contact NC / NO

Not all component variants, which are possible according to this order code are available and/or technically feasible.

1 Reed contakts
Explosion protection for ATEX Zones 2 and 22
Aluminium enlosure
104 mm x 52 mm x 47 mm
Actuating distance up to 50 mm depending on actuating magnet and version
Non-contact principle
Screw connection

Ordering data

Product type description	EX-BN 20-10Z-3G/D
Article number (order number)	101189041
EAN (European Article Number)	4030661345871
eCl@ss number, version 12.0	27-27-43-02
eCl@ss number, version 11.0	27-27-01-05
eCl@ss number, version 9.0	27-27-01-05
ETIM number, version 7.0	EC002544
ETIM number, version 6.0	EC002544

Approvals - Standards

Certificates	ATEX (Konformitätserklärung)

Explosion protection

Explosion protection: regulations	EN IEC 60079-0 EN IEC 60079-15 EN 60079-31
Explosion protection zones	2 22
Explosion protection category	3G 3D
Explosion protection designation	D II 3G Ex nC IIC T5 Gc X D II 3D Ex tc IIIC T90°C Dc X
Manufacturer declaration	ATEX Zone 2 and 22

General data

Working principle	Magnetic drive
Housing construction form	rectangular
Housing material	Light-alloy diecast, paint finish
Active area	Metal film
Gross weight	315 g

General data - Features

bias magnet	Yes
Number of normally open (NO)	1

Mechanical data

Actuating panels	lateral
Active area	lateral
Actuating element	Magnet
Mechanical lifetime, minimum	1,000,000,000 Operations
Impact energy, maximum	4 J
Actuating speed, maximum	18 m/s

Mechanical data - Switching distances

Switching distance S_n	12 mm ... 45 mm
Note (Switching distance Sn)	Actuating distance up to 45 mm depending on version and actuating magnet
Note (switching distance)	All switching distances in accordance EN IEC 60947-5-2
Repeat accuracy R	0.3 mm

Mechanical data - Connection technique

Termination	Screw terminals M20 x 1.5
Cable cross-section of the cable glands, minimum	6 mm
Cable cross-section of the cable glands, maximum	10 mm

Mechanical data - Dimensions

Length of sensor	47 mm
Width of sensor	104 mm
Height of sensor	52 mm

Ambient conditions

Degree of protection	IP67
Ambient temperature	-15 ... +70 °C
Storage and transport temperature	-20 ... +70 °C
Resistance to vibrations	10 … 55 Hz, amplitude 1 mm
Restistance to shock	30 g / 11 ms
Resistant to vibration	50 g, on sine wave oscillation

Electrical data

Switching voltage, maximum	250 VAC
Switching voltage, maximum	250 VDC
Switching current, maximum	3 A
Switching capacity, maximum	120 W
Switching capacity, maximum	120 VA
Switching element	Normally open contact (NO)
Switching principle	Reed contacts, Non-contact principle
Bounce duration, minimum	0.3 ms
Bounce duration, maximum	0.6 ms

Scope of delivery

Scope of delivery	Actuator must be ordered separately. Ex-certified screwed cable gland

Accessory

Recommendation (actuator)	2x BP 10 2x BP 15/2 BP 20 BP 31 BP 11 BP 12 BP 21 BE 20

Note

Note (General)	The opening and closing functions depend on the direction of actuation, the actuating magnets and the polarity of the actuating magnets. When the switches and actuators come together, the colours must coincide: Red (S) to red (S) and green (N) to green (N).

Product picture (catalogue individual photo)

ID: kexbnf01

| 378.2 kB | .jpg | 352.778 x 181.328 mm - 1000 x 514 px - 72 dpi

| 46.2 kB | .png | 74.083 x 38.1 mm - 210 x 108 px - 72 dpi

| 45.5 kB | .png | 74.083 x 74.083 mm - 210 x 210 px - 72 dpi

| 3.4 MB | .png | 200 x 102.8 mm - 2000 x 1028 px - 254 dpi

Dimensional drawing basic component

ID: 1bn20g03

| 33.4 kB | .cdr |

| 10.8 kB | .png | 74.083 x 51.858 mm - 210 x 147 px - 72 dpi

| 127.3 kB | .jpg | 352.778 x 247.297 mm - 1000 x 701 px - 72 dpi

Diagram

Information on diagram
ICO_LEG_ko-arrow4 Monitoring the interlock to EN ISO 14119
ICO_LEG_ko-arrow1 Positive break NC contact
ICO_LEG_ko-arrow2 Actuated
ICO_LEG_ko-arrow3 Not actuated
ICO_LEG_ko-open Normally-open contact
ICO_LEG_ko-close Normally-closed contact

ID: 1bn20k01

| 66.1 kB | .cdr |

| 187.4 kB | .jpg | 352.778 x 349.25 mm - 1000 x 990 px - 72 dpi

| 18.5 kB | .png | 74.083 x 73.378 mm - 210 x 208 px - 72 dpi

Characteristic curve

ID: kbn32d01

| 110.5 kB | .jpg | 352.425 x 371.828 mm - 999 x 1054 px - 72 dpi

EU Conformity Declaration

Pdf

EU Declaration of Conformity

Original

K.A. Schmersal GmbH & Co. KG
Möddinghofe 30
42279 Wuppertal
Germany
Internet: www.schmersal.com

Declaration:

We hereby certify that the hereafter described components both in their basic design and construction conform to the applicable European Directives.

Name of the component:

EX-BN 20

Type:

See ordering code

Marking:

D II 3G Ex nC IIC T5 Gc X
D II 3D Ex tc IIIC T90°C Dc X

Description of the component:

Magnetic reed switches

Relevant Directives:	Explosion Protection Directive (ATEX)	2014/34/EU
	RoHS-Directive	2011/65/EU

Applied standards:

EN IEC 60079-0:2018
EN IEC 60079-15:2019
EN 60079-31:2014

Notified body, which approved the full quality assurance system, referred to Appendix IV, 2014/34/EU:

TÜV Rheinland Industrie Service GmbH
Am Grauen Stein, 51105 Köln
ID n°: 0035

Person authorised for the compilation of the technical documentation:

Oliver Wacker
Möddinghofe 30
42279 Wuppertal

Place and date of issue:

Wuppertal, September 21, 2023

Authorised signature
Philip Schmersal
Managing Director

K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, 42279 Wuppertal

The details and data referred to have been carefully checked. Images may diverge from original. Further technical data can be found in the manual. Technical amendments and errors possible.

Generated on: 17/02/2026, 02:04

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EX-BN 20-10Z-3G/D