
Pilz 751184 (PNOZ s4 C 24VDC 3 n/o 1 n/c coated) is a PNOZ machine-safety relay for monitoring emergency-stop and safety-gate circuits. Pilz's exact product page describes it as: PNOZsigma safety relay (standalone), inputs: 1/2-channel wiring with/without detection of shorts across contacts, manual/automatic start, outputs: 3 N/O, 1 N/C, 1 SC, UB 24 V DC, width: 22.5 mm, plug-in spring-loaded terminals, monitoring of E-STOP, safety gates, coated version. The exact product ID and GTIN are recorded to avoid substitutions between variants with different input wiring, output contacts, supply voltage and terminals. Use the linked official Pilz operating manual to verify the safety function, circuit design, application limits and installation requirements before selecting or ordering the relay. Price, availability and lead time are supplied by quotation.