EWT21DB
| 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 |
- Mounting hole 30.5 mm
- Protection class IP65
- Aluminium enlosure
Ordering data
| Product type description |
EWT21DB |
| Article number (order number) |
101030851 |
| EAN (European Article Number) |
4030661488387 |
| 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 |
selector switch |
| Design |
Round |
| Installation conditions (mechanical) |
arbitrarily |
| Sealing type |
Membrane Lip gaskets Form seals |
| Material of the operators |
Brass, coated |
| Material of the front ring |
Aluminium, anodised |
| Colour of the front ring |
Silver |
| Gross weight |
80 g |
General data - Features
| Front plate mounting |
Yes |
| Probing possible |
Yes |
| Fully insulated |
Yes |
| Number of the touch position |
1 |
| Number of plunger |
1 |
| Number of switch positions |
1 |
| Number of contact elements, maximum |
3 |
Mechanical data
| Unlocking |
without |
| Actuating element |
Square actuator |
| Touch position |
right |
| Mechanical lifetime, Command devices |
300,000 Operations |
| Switching angle, right |
55 ° |
| Mounting |
Mounting flange EFM |
| Tightening torque of the screw |
0.6 Nm |
| Typical actuating force of the selector switch |
16 N |
Mechanical data - Dimensions
| Diameter of the front ring |
36 mm |
| Mounting diameter |
30.5 mm |
| Thickness, of the front panel, minimum |
1.5 mm |
| Thickness of the front panel, maximum |
14 mm |
| Spacing |
50 x 60 mm |
Ambient conditions
| Degree of protection |
IP65 |
| Ambient temperature |
-40 ... +80 °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 |
Other data
| Note (applications) |
Monitoring of zero position with additional contact element at position 3 of the mounting flange. |
Scope of delivery
| Note (scope of delivery, number and type) |
Mounting flange EFM is included in delivery |
Language filter
Datasheet
Operating instructions and Declaration of conformity
UL Certificate
Brochure
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Product picture (catalogue individual photo)
ID: kews3f01
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| 3.9 MB | .png | 169.333 x 169.333 mm - 2000 x 2000 px - 300 dpi
Schmersal, Inc., 15 Skyline Drive, NY 10532 Hawthorne
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: 2026-04-17, 7:32 p.m.