NWS21WS

Item number: 101158707

NWS21WS

Item number: 101158707

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ePLAN Data

CADENAS CAD Data

SISTEMA Data

QTY

Product type description:

-
(1)DT(8)(2)	Pushbutton
(1)DM(2)	Pushbutton with diaphragm for dust protection
(1)DL(8)(2)	Illuminated pushbutton
(1)DLM(2)	Illuminated pushbutton with diaphragm for dust protection
(1)ML(2)	Indicator light with flat collar
(1)MLH(2)	Indicator light with high collar
(1)DP(3)(8)(2)	Mushroom head impact button without latching
(1)DTP(3)(8)(2)	Mushroom head impact button without latching (only N-programm)
(1)DLP(3)(8)(2)	Mushroom head impact button illuminated, without latching (only N programme)
(1)DRR(3)(8)(2)	Mushroom head impact button with latching, unlock by turning and pulling (pulling only in N programme)
(1)DRZ(3)(8)(2)	Mushroom head impact button with latching, unlock by pulling
(1)WS21(4)(5)	Selector switch with 2 positions:
(1)WT21(4)(5)	Selector switch with 1 momentary position
(1)WS32(4)(5)	Selector switch with 3 maintained positions
(1)WT32(4)(5)	Wahlschalter mit 2 Taststellungen
(1)WST32(4)(5)	Selector switch: switching, latching
(1)WTS32(4)(5)	Selector switch: latching, switching
(1)SS21S(4)(5)	Key-operated selector switch with 2 maintained positions
(1)ST21S(4)(5)	Key-operated selector switch with 1 momentary position
(1)SS32S(4)(5)	Key-operated selector switch with 3 maintained positions
(1)ST32S(4)(5)	Key-operated selector switch with 2 momentary positions, left and right
(1)SST32S(4)(5)	Key-operated selector switch: switching, latching
(1)STS32S(4)(5)	Key-operated selector switch: latching, switching
B	Blanking plug

(1)
-	Command and signalling devices:
E	"E" program
N	"N" program
R	"R" program

(2)
-	Colour of button surface:
SW	Black
GB	Yellow
RT	Red
GN	Green
WS	White
BL	Blue
GR	Grey

(3)
-	Head diameter of mushroom head impact button 30 mm:
30	30 mm
35	35 mm
40	40 mm
42	42 mm
45	45 mm
50	50 mm
55	55 mm
70	70 mm

(4)
-	Toggle length in mm:
without	Short toggle
.1	Long toggle

(5)
-	Colour of toggle:
without	Grey
WS	White

(6)
-	Key-withdrawal position (3 positions):
1	Position left
2	Position middle
3	Position right

(7)
-	Key-withdrawal position (2 positions):
1	Position left
2	Position right

(8)
-	Colour of diaphragm (only N programme):
without	White
GR/	Black
BL/	Blue

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

with two or three switch positions
hygienic design
Protection class IP69K
Mounting hole 22.3 mm

Ordering data

Product type description	NWS21WS
Article number (order number)	101158707
EAN (European Article Number)	4250116200344
eCl@ss number, version 12.0	27-37-12-13
eCl@ss number, version 11.0	27-37-12-13
eCl@ss number, version 9.0	27-37-12-13
ETIM number, version 7.0	EC000222
ETIM number, version 6.0	EC000222

Approvals - Standards

Certificates	cULus

General data

Standards	EN IEC 60947-5-1 EN IEC 60947-1
Versions	Front plate mounting Selector switch
Design	Round
Installation conditions (mechanical)	arbitrarily
Toggle	short
Sealing type	Membrane Lip gaskets
Material of the front ring	ABS, chrome-plated
Material of the toggle	Plastic
Colour of the operating element	White
Colour of the front ring	Silver
Colour of the bellows	White
Gross weight	35 g

General data - Features

Latching	Yes
Fully insulated	Yes
Number of plunger	1
Number of switch positions	2
Number of contact elements, maximum	3

Mechanical data

Unlocking	Rotating unlatcher
Latching position	right
Mechanical lifetime, Command devices	300,000 Operations
Switching angle, right	70 °
Mounting	Mounting flange EFM
Tightening torque of the screw	0.6 Nm
Typical actuating force of the selector switch	0.2 N

Mechanical data - Dimensions

Mounting height	26 mm
Note (Mounting height)	Height in front of the front panel.
Diameter of the front ring	44.5 mm
Length of the handle	28 mm
Diameter of the knob	39 mm
Mounting diameter	22.3 mm
Thickness, of the front panel, minimum	1 mm
Thickness of the front panel, maximum	6 mm
Spacing	50 x 50 mm

Ambient conditions

Degree of protection	IP67 IP69K
Ambient temperature	+0 ... +75 °C
Resistance to vibrations	5 g
Restistance to shock	<50 g (EN 60068-2-27)

Electrical data

Switching frequency of the command device, maximum	1,000 /h

Scope of delivery

Note (scope of delivery, number and type)	Mounting flange EFM is included in delivery

Product picture (catalogue individual photo)

ID: knws-f01

| 206.8 kB | .jpg | 352.425 x 388.05600000000004 mm - 999 x 1100 px - 72 dpi

| 36.7 kB | .png | 74.083 x 81.492 mm - 210 x 231 px - 72 dpi

| 29.6 kB | .png | 74.083 x 74.083 mm - 210 x 210 px - 72 dpi

| 2.3 MB | .png | 169.333 x 186.351 mm - 2000 x 2201 px - 300 dpi

| 30.3 kB | .jpg | 112.183 x 123.47200000000001 mm - 318 x 350 px - 72 dpi

Video ID: Mr-Safety-N-Programm

(Vimeo)

Schmersal India Pvt. Ltd., Plot No - G-7/1, Ranjangaon MIDC, Tal. - Shirur, Dist.- Pune 412 220

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: 17/04/2026, 7:27 pm

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NWS21WS

NWS21WS

Ordering data

Approvals - Standards

General data

General data - Features

Mechanical data

Mechanical data - Dimensions

Ambient conditions

Electrical data

Scope of delivery

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Datasheet

Operating instructions and Declaration of conformity

Declaration of conformity (EC)

UKCA Declaration of Conformity

UL Certificate

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Product picture (catalogue individual photo)

Video ID: Mr-Safety-N-Programm