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Main Function

Dedicated two‑hand control safety function complying with EN 574 Type IIIC. Both two‑hand push‑buttons must be activated simultaneously within permitted time window; otherwise safety outputs will not be energized, preventing accidental machine actuation.
Dual‑channel safety input circuit; equipped with 3 forcibly‑guided safety NO contacts, 1 auxiliary NC contact and 1 semiconductor diagnostic output for external status feedback.
Built‑in redundant self‑monitoring architecture. Detects contact welding, short‑circuit and cross‑wire faults; safety outputs remain de‑energized upon internal failure to avoid unsafe machine operation.
Supports monitored feedback loop for monitoring safety contactor return signals. Monitored reset mode is adopted for safety‑relevant reset operations.
Achieves safety performance PL e (EN ISO 13849‑1), Category 4, SIL CL 3 (EN IEC 62061).
Multi‑color LED indicators display power supply, input channel status, output status and fault alarm for fast‑on‑site troubleshooting. DIN‑rail mounting, compact 22.5 mm width housing, IP40 housing protection, IP20 terminal protection.plcva.com
Expandable by connecting PNOZsigma contact expansion modules to increase safety contact quantity according to system requirements.

PNOZ s6 (750106) Two‑Hand Control Safety Relay

Specially designed for two‑hand‑control safety protection for press machinery. Forces operators to keep both hands on control buttons and outside hazardous zone during machine dangerous stroke movement.plcva.com
Main target equipment: mechanical presses, hydraulic presses, punching machines, stamping equipment, metal‑forming machine tools, where operator hand injury risk exists during operation.
Widely used in automotive manufacturing, metal processing, general machinery workshops. Effectively prevents operator injury caused by mis‑operation of single‑hand triggering.
Can also be integrated into machine safety circuits together with emergency‑stop, safety‑gate protection devices to meet global machinery safety regulation requirements.plcva.com