440R-S845AER-NNL MSR57P Speed Monitoring 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 Safe Stop (SS) Safe Limited Speed (SLS) Zero speed/static monitoring (Safe Standstill) Safe Direction (SD) Monitoring Door lock monitoring (with Power to Release/Power to Lock modes) Cascade input, used for multi-stage speed chains Input/output (24 VDC system) Encoder interface: Single ended or differential TTL, Sin/Cos, HTL are all acceptable; Maximum input frequency 250 kHz Pulse test source: S11/C21100 mA, short circuit protection Safety control output: 4-channel normally open 2A (14, 24, 68, 78), used for contactor/drive STO circuit Auxiliary signal output: multiple 50-100 mA, short circuit protection, used for status, gate control, and fault indication Gate control dedicated output 51/52: bipolar 1.5 A or cascaded 20 mA, can directly drive electromagnetic locking pin performance level Compliant with EN ISO 13849-1 Cat.4/PL e, IEC 61508/EN 62061 SIL CL 3 System response time ≤ 20 ms (input safety contact disconnected) The overspeed threshold, acceleration threshold, and direction window can all be set through knobs/software Electrical and Environmental Power supply: 24 VDC (0.8... 1.1 × Un), PELV/SELV, maximum total current 10.4 A Power consumption: ≈ 5 W Working temperature: -5...+55 ° C; relative humidity 90% RH, no condensation Protection level: body IP40, terminal IP20; 35mm DIN rail installation Terminal torque 0.6... 0.8 N · m, wire 0.2... 2.5 mm 2“
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