BNS-B20-12ZG-ST-L

Item number: 101177733

BNS-B20-12ZG-ST-L

Item number: 101177733

Downloads

ePLAN Data

CADENAS CAD Data

SISTEMA Data

Product type description:

BNS-B20-(1)Z(2)-(3)-(4)

(1)
12	1 NO contact/2 NC contacts
02	2 NC contact

(2)
without	without LED switching conditions display
G	with LED switching conditions display

(3)
without	connecting cable bottom
H	connecting cable back
ST	M12 connector bottom

(4)
L	left hinged door (for bottom pre-wired cable or connector version only)
R	right hinged door (for bottom pre-wired cable or connector version only)

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

Connector M12 x 1, 8-pole
Thermoplastic enclosure
Non-contact safety switch
Does not protrude into the door opening
119,5 mm x 140 mm x 43,3 mm
Substitutes door-handle and safety switch, no further door fittings required
Modern and symmetric design
Tamper-proof because of integral coded safety sensor
Ergonomic operation
Suitable for hinged and sliding guards
No protruding actuator
Simple mounting with 4 Screws

Ordering data

Product type description	BNS-B20-12ZG-ST-L
Article number (order number)	101177733
EAN (European Article Number)	4030661309187
eCl@ss number, version 12.0	27-27-44-01
eCl@ss number, version 11.0	27-27-24-02
eCl@ss number, version 9.0	27-27-24-02
ETIM number, version 7.0	EC002544
ETIM number, version 6.0	EC002544

Approvals - Standards

Certificates	cULus

General data

Standards	BG-GS-ET-14 EN IEC 60947-5-3
Coding level according to EN ISO 14119	Low
Working principle	Magnetic drive
Installation conditions (mechanical)	quasi-flush
Housing material	Glass-fibre, reinforced thermoplastic
Gross weight	105 g

General data - Features

Coding	Yes
Integral system diagnostics, status	Yes
Number of normally closed (NC)	2
Number of normally open (NO)	1
Number of safety contacts	2

Safety classification

Standards	EN ISO 13849-1
Mission time	20 Year(s)

Safety classification - Safety outputs

B_10D- Value Normally-closed contact/Normally open contact (NC/NO)	25,000,000 Operations

Mechanical data

Actuating element	Magnet
Door hinge	Left
Latching force	100 N
Door weight, Sliding guard, maximal	3 kg
Door weight, Hinged guard, maximal	5 kg

Mechanical data - Switching distances

Assured switching distance "ON" S_ao	0 mm
Assured switching distance "OFF" S_ar	22 mm
Note (switching distance)	All switching distances in accordance EN IEC 60947-5-3

Mechanical data - Connection technique

Termination	Connector M12

Mechanical data - Dimensions

Length of sensor	43.3 mm
Width of sensor	119.5 mm
Height of sensor	140 mm

Ambient conditions

Degree of protection	IP67
Ambient temperature	-25 ... +70 °C
Storage and transport temperature	-25 ... +70 °C
Resistance to vibrations	10 … 55 Hz, amplitude 1 mm
Restistance to shock	30 g / 11 ms

Electrical data

Switching voltage, maximum	24 VDC
Switching current, maximum	0.01 A
Switching capacity, maximum	0.24 W
Switching element	1 NO contact, 2 NC contacts
Switching frequency, maximum	5 Hz

Status indication

Note (Integral System Diagnostics, status )	The LED is illuminated when the guard is closed.

Scope of delivery

Scope of delivery	Actuator must be ordered separately.

Accessory

Recommendation (actuator)	BNS-B20-B01
Recommended safety switchgear	SRB-E-301ST SRB-E-201LC

Note

Note (General)	Contact symbols shown for the closed condition of the guard device. The contact configuration for versions with or without LED is identical. Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit.

Wiring example

Note (Wiring diagram)	Contact S21-S22 must be integrated in the safety circuit.

Product picture (catalogue individual photo)

ID: kb-20f17

| 776.9 kB | .jpg | 352.425 x 388.408 mm - 999 x 1101 px - 72 dpi

| 87.3 kB | .png | 74.083 x 81.492 mm - 210 x 231 px - 72 dpi

| 69.7 kB | .png | 74.083 x 74.083 mm - 210 x 210 px - 72 dpi

| 79.1 kB | .jpg | 112.183 x 123.47200000000001 mm - 318 x 350 px - 72 dpi

Dimensional drawing basic component

ID: 1b-20g01

| 93.9 kB | .cdr |

| 8.7 kB | .png | 74.083 x 51.506 mm - 210 x 146 px - 72 dpi

| 116.1 kB | .jpg | 352.778 x 245.181 mm - 1000 x 695 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: kb-20k06

| 19.3 kB | .cdr |

| 87.8 kB | .jpg | 352.778 x 85.372 mm - 1000 x 242 px - 72 dpi

| 3.9 kB | .png | 74.083 x 17.992 mm - 210 x 51 px - 72 dpi

Contact arrangement

ID: km23-k8b

| 5.3 kB | .png | 73.731 x 79.728 mm - 209 x 226 px - 72 dpi

| 139.8 kB | .jpg | 352.778 x 380.647 mm - 1000 x 1079 px - 72 dpi

Clipart

ID: kb20-c04

| 18.8 kB | .cdr |

| 1.4 kB | .png | 74.083 x 52.211000000000006 mm - 210 x 148 px - 72 dpi

Actuator

Control-Modul

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 at: 20/04/2026, 18:04

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BNS-B20-12ZG-ST-L