Panasonic is claiming a record – the world’s smallest 2pole safety relay with power contacts on both normally-open and normally-closed sides. It is 33 x 14.0mm, by 7.8mm tall (including 0.5mm stand-off), and called the SFM series – which have forcibly guided contacts according to EN61810-3. Forcibly guided means that if one contact welds, the other cannot close. ...

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