R.STAHL 80701‑1‑HR311

Product Name: Explosion‑Proof Field Bus Module / Intrinsically Safe Module

Product Description: R.STAHL 80701‑1‑HR311 is intrinsically‑safe explosion‑proof field bus component for hazardous area, apply in explosive gas atmosphere, realize field‑bus signal connection and signal isolation for explosion‑risk zone.

Technical Specifications: ATEX / IECEx explosion‑proof certification; intrinsically‑safe circuit parameter; operating temperature for hazardous location; bus interface specification.

Category:
Description

Functional Features: Intrinsically‑safe explosion protection; field‑bus signal distribution; short‑circuit protection; over‑voltage protection for hazardous area loop.

Application Scenarios: Petrochemical hazardous area, oil‑field on‑site, chemical plant zone 0 / zone 1 / zone 2 explosive environment, explosion‑proof automation field‑bus system.

Performance Parameters: Certified intrinsic‑safety maximum voltage and current parameters; bus communication stability; short‑circuit self‑protection function.

Material Composition: Explosion‑proof aluminum alloy housing; explosion‑proof insulation material; intrinsically‑safe circuit PCB board; certified explosion‑proof terminals.

Structural Features: Heavy‑duty explosion‑proof enclosure; cable entry ports for explosion‑proof cable glands; internal intrinsically‑safe wiring compartment.

Working Principle: Intrinsically‑safe circuit limits energy of voltage, current and power output to hazardous area, energy cannot reach ignition threshold of explosive gas, realize explosion‑proof protection while transmitting bus signal.

Installation Requirements: Install strictly according explosion‑proof installation standard; use certified explosion‑proof cable glands; strictly distinguish intrinsically‑safe circuit and non‑intrinsically‑safe circuit wiring; implement equipotential grounding.

Precautions: Do not modify enclosure structure arbitrarily in hazardous zone; only use certified matching accessories; power off before opening enclosure inside hazardous area.

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