During technical comparisons, RST21S1 appears alongside Schmersal Limit Switch, Schmersal Rss 36 D St and Schmersal Door Locking Devices so engineers assess signal types, ingress protection, and ambient tolerances accurately.
Schmersal RST21S1 Command and Signalling Devices
The Schmersal RST21S1 Command and Signalling Devices offers a 22.3 mm mounting diameter, 6 mmthickness of the front panel, maximum, IP65 degree of protection, 50 x 60 mm spacing. Manufactured by Schmersal under the Schmersal Command and Signalling Devices. category, this model belongs to the Schmersal WK Series.

| Brand | Schmersal |
| Product Type | Command and Signalling Devices |
| Model Number | RST21S1 |
Schmersal RST21S1 Command and Signalling Devices – Technical Specifications
| Specification | Value |
|---|---|
| Installation conditions (mechanical) | arbitrarily |
| Material of the front ring | Aluminium |
| Colour of the front ring | Silver |
| Gross weight | 100 g |
| Probing possible | Yes |
| Mechanical life, minimum | 300,000 Operations |
| Mounting | Mounting flange EFM |
| Mounting diameter | 22.3 mm |
| Thickness, of the front panel, minimum | 1 mm |
| Thickness of the front panel, maximum | 6 mm |
| Spacing | 50 x 60 mm |
| Degree of protection | IP65 |
| Restistance to shock | 30 g / 18 ms |







