440R-C23139 Guardmaster MSR131RTP Safety Relay is supplied by HuaShengBoYe with verified origin and traceable batch information. We quote against your BOM, confirm packaging and date codes, and ship worldwide from Shenzhen.
Security Features Dual channel input, can be connected to 2NC or 1NC contacts; Internal real-time detection of short circuits (cross faults) between channels Once any channel is disconnected or a cross fault occurs, the 3-channel redundant safety normally open contacts (13-14, 23-24, 33-34) will immediately disconnect, and the 1-channel normally closed auxiliary contacts (41-42) will be used for status indication Support automatic, manual, and monitoring reset: - Automatic: Short circuit X1-X2, the fault disappears and recovers automatically - Manual: Connect the normally open reset button in series in the X1-X2 circuit - Monitoring: Connect the external contactor normally closed auxiliary point in series in the X1-X2 circuit to achieve welding monitoring Electrical specifications Power supply: 24V AC/DC universal (0.85-1.1 Un) Safe output: 3NO, 2 A/250 V AC (AC-15), 2 A/30 V DC (DC-13) Auxiliary output: 1NC, 2A Response time: ≤ 30 ms; electrical lifespan 1 × 10 ? times security level ISO 13849-1 Cat.4 / PL e，IEC 61508 / EN 62061 SIL 3 Cross fault detection+dual channel redundancy to meet the highest PL e requirements Installation and Environment 35mm DIN rail, shell 45mm wide, IP40 (body)/IP20 (terminals) Working temperature -5...+55 ° C; humidity ≤ 90% RH, no condensation Terminal torque 0.6 N · m, wire 0.2... 2.5 mm 2; An external 2 A gG fuse is required on the power supply side“
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