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Legacy-line finger-protection safety light curtain, 14 mm resolution, Type 4 / PLe / SIL 3, muting-capable (with UE403), still catalogued and orderable.
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The M4000 Advanced Curtain is SICK's earlier-generation safety light curtain — positioned as replaced by deTec4/C4000 for new designs, per SICK's own product pages, but still catalogued and orderable for spares/retrofits. This receiver (14 mm resolution, 1,500 mm protective field height) is the finger-protection tier: Type 4 / Category 4 / PLe / SIL 3, IP65, Hirschmann M26 12-pin hardwired system connection plus M12 5-pin extension and M8 4-pin configuration ports, muting-capable (differentiation between man and material) when paired with SICK's UE403 muting switching amplifier or a Flexi Classic/Flexi Soft safety controller.
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