ESS21S12.V
- Mounting hole 30.5 mm
- Protection class IP65
- Key unlatching
- Flush mounting (Anti-vandal)
Ordering data
| Product type description |
ESS21S12.V |
| Article number (order number) |
101006163 |
| EAN (European Article Number) |
4030661548548 |
| 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 |
General data
| Standards |
EN IEC 60947-5-1 EN IEC 60947-5-5 EN IEC 60947-1 |
| Versions |
Front plate mounting Key - Selector switch |
| Design |
Round |
| Installation conditions (mechanical) |
arbitrarily |
| Sealing type |
Membrane Lip gaskets Form seals |
| Material of the cylinder lock |
Steel |
| Material of the front ring |
Aluminium |
| Colour of the cylinder lock |
Silver |
| Colour of the front ring |
Silver |
| Gross weight |
139 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 |
Key unlatching |
| Key withdrawal position |
Position 0 and I |
| Latching position |
right |
| Mechanical lifetime, Command devices |
100,000 Operations |
| Switching angle, right |
90 ° |
| Mounting |
Mounting flange EFM |
| Tightening torque of the screw |
0.6 Nm |
| Key number |
EKM30 |
Mechanical data - Dimensions
| Mounting height |
16 mm |
| Note (Mounting height) |
Height in front of the front panel. |
| Diameter of the front ring |
34.5 mm |
| diameters for the cylinder lock |
22 mm |
| Mounting diameter |
30.5 mm |
| Height with key inserted |
39 mm |
| Thickness, of the front panel, minimum |
1 mm |
| Thickness of the front panel, maximum |
6 mm |
| Spacing |
40 x 50 mm |
Ambient conditions
| Degree of protection |
IP65 |
| Ambient temperature |
+0 ... +75 °C |
| Resistance to vibrations |
5 g |
| Restistance to shock |
<50 g (EN 60068-2-27) |
Other data
| Note (applications) |
Monitoring of zero position with additional contact element at position 3 of the mounting flange. |
Scope of delivery
| Scope of delivery |
1x Key |
| Note (scope of delivery, number and type) |
Mounting flange EFM is included in delivery |
Note
| Note (General) |
Special closure on request |
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Datasheet
Operating instructions and Declaration of conformity
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Product picture (catalogue individual photo)
ID: kess-f04
| 499.0 kB | .jpg | 352.778 x 648.758 mm - 1000 x 1839 px - 72 dpi
| 63.4 kB | .png | 74.083 x 136.172 mm - 210 x 386 px - 72 dpi
| 28.4 kB | .jpg | 67.028 x 123.47200000000001 mm - 190 x 350 px - 72 dpi
| 31.9 kB | .png | 74.083 x 74.083 mm - 210 x 210 px - 72 dpi
| 6.7 MB | .png | 169.333 x 311.404 mm - 2000 x 3678 px - 300 dpi
Dimensional drawing basic component
| 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: | E.V programme |
| Type: | See ordering code |
| Description of the component: | Command and signalling devices optionally as illuminated signalling devices, Push, illuminated, palm buttons and switches, Selector switches and buttons, key selector switches and key selector buttons in conjunction with contact element EF or light elements and voltage senders EL* |
| Relevant Directives: | Low Voltage Directive | 2014/35/EU |
| EMC-Directive * | 2014/30/EU | |
| RoHS-Directive | 2011/65/EU |
| Applied standards: | EN 60947-5-1:2017 |
| Place and date of issue: | Wuppertal, September 28, 2020 |
![]() |
| Authorised signature Philip Schmersal Managing Director |
| UK Declaration of Conformity | ![]() |
| Company: | K.A. Schmersal GmbH & Co. KG Möddinghofe 30 42279 Wuppertal Germany Internet: www.schmersal.com |
| Declaration: | We hereby, under sole responsibility, certify that the hereafter described components both in their basic design and construction conform to the relevant statutory requirements, regulations and designated standards of the United Kingdom. |
| Name of the component: | E.V-program |
| Type: | See ordering code |
| Description of the component: | Command and signalling devices optionally as illuminated signalling devices, Push, illuminated, palm buttons and switches, Selector switches and buttons, key selector switches and key selector buttons in conjunction with contact element EF or light elements and voltage senders EL* |
| Relevant legislation: | Electrical Equipment (Safety) Regulations | 2016 |
| Electromagnetic Compatibility Regulations * | 2016 | |
| The Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment Regulations | 2012 |
| Designated standards: | EN 60947-5-1:2017 |
| UK-Importer / Person authorised for the compilation of the technical documentation: | Schmersal UK Ltd. Paul Kenney Unit 1, Sparrowhawk Close Enigma Business Park Malvern, Worcestershire, WR14 1GL |
| Place and date of issue: | Wuppertal, April 8, 2022 |
![]() |
| 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 at: 17/04/2026, 17:35

