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The UE401 evaluation unit safely and reliably evaluates the signals of the L4000 Systems single-beam photoelectric safety switches. It can also be used to execute the restart interlock and external device monitoring (EDM) functions.
| Applications | Evaluation unit |
| Safety integrity level | SIL3 (IEC 61508) 1) SILCL3 (EN 62061) 1) |
| Category | Category 4 (EN ISO 13849) 1) |
| Performance level | PL e (EN ISO 13849) |
| Configuration method | Hard wired |
| Housing width | 22.6 mm |
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