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TZN 129-EX.A

Key Features:
Hazardous Area Protection: Certified for Zone 1/21 (gas/dust) and Zone 2/22, preventing ignition risks.

Signal Isolation: Provides galvanic isolation for analog/digital signals (e.g., 4–20 mA, HART).

Robust Design: High-quality materials for industrial durability (e.g., stainless steel or rugged polycarbonate housing).

Certifications: Meets ATEX (Ex ia IIC T6), IEC 60079, and FM/CSA standards (region-dependent).

Typical Applications:
Oil & gas refineries

Chemical/petrochemical plants

Pharmaceutical and mining industries

Technical Specifications:
Input/Output: Configurable for analog/digital signals.

Protection Rating: IP20/IP66 (enclosure-dependent).

Operating Temperature: -40°C to +80°C.

Mounting: DIN-rail or panel-mounted.

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The ABB TZN 129-EX.A is an intrinsically safe (IS) barrier designed for hazardous area applications, ensuring safe signal transmission between safe (non-hazardous) and explosive (Ex) zones. It complies with ATEX, IECEx, and other international explosion-protection standards.