Clearsy Announces The SIL4 Certification of its Safety Vital Relay Range
- Use of two internal relays. Each NO contact in the RS4 relay corresponds to two internal relay contacts placed in series. If a NO contact in one of the internal relays jams, the NO contact of the RS4 relay remains open.
- Inhibition of the RS4 control if a contact in one of the two internal relays jams. Accordingly, it is impossible to have the two internal relays of the RS4 relay with contacts jammed at the same time.
- Principle of inhibition of the SIL4 control approved by Certifer (like everything else concerned with the relay)
- Internal relays with guided contact that meet standard EN 50205 (to guarantee rereading of contacts and non-overlap between work contacts and rest contacts)
- Relays hermetically-sealed to guarantee that contacts do not oxidize.
- Diversifying of components to remove common modes.
- Impossibility of short circuits (insulation distance, hermetically-sealed internal relay boxes…)
- PCB and assembly rule IPC 610 class 3.
- Full safety and functional test on each relay produced.
- IRIS-certified manufacturing plant.
- Clearsy and its ISO 9001-qualified service providers.
Model | Format | Width | Height | Depth | NO contact(1) |
NF contact |
Control voltage |
RS4.DIN.202.24V | DIN box | 22.5 | 90 | 99.5 | 2 | 2 | 24 V DC |
RS4.DIN.304.24V | DIN long box | 22.5 | 90 | 121 | 3 | 4 | 24 V DC |
RS4.DIN.402.24V | DIN long box | 22.5 | 90 | 121 | 4 | 2 | 24 V DC |
RS4.DIN.406.24V | DIN double box | 45 | 90 | 99.5 | 4 | 6 | 24 V DC |
RS4.3U.2x202.24V | 3U card | 40 | 100 | 160 | 2x2 | 2x2 | 24 V DC |
RS4.DIN.202.110V | DIN long box | 22.5 | 90 | 121 | 2 | 2 |
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