Switching unit ATEX A-H4.1 / A-H4.2

Intrinsically Safe Switching Unit for Hazardous Area Flow Monitoring

The ATEX A-H4.1 / A-H4.2 from Senseca is an intrinsically safe switching unit designed for HD1, HD2, MR1, and HR2 flow monitor series used in hazardous environments. Equipped with a reed switch and ATEX Ex ia certification, it provides safe and reliable switching in intrinsically safe circuits for explosive gas and dust atmospheres.

Key Features:

  • 🛡️ ATEX-Certified Design

    Certified with Ex ia intrinsic safety for use in hazardous and explosive environments.

  • ⚡ Reed Switch Technology

    Reliable contactless reed switch ensures dependable switching performance and long service life.

Key Features:

  • 🔧 Compatible with Multiple Flow Monitor Series

    Designed for HD1, HD2, MR1, and HR2 flow monitoring devices.

  • 🔌 Flexible Connection Options

    Available with 3-wire cable (2.5 m or 5 m) as A-H4.1 or DIN EN 175301-803 connector as A-H4.2 for flexible installation.

  • 🏭 Rugged Industrial Construction

    Durable plastic housing with IP65 protection ensures reliable operation in demanding industrial environments.

Applications:

  • 🛢️ Oil & Gas Industry

    Reliable flow monitoring in hazardous process areas.

  • 🧪 Chemical & Petrochemical Plants

    Safe switching for explosive gas and dust environments.

  • ⚙️ Industrial Process Automation

    Integrates with flow monitoring systems for dependable process control.

  • ⛽ Hazardous Area Installations

    Ideal for intrinsically safe monitoring in ATEX-classified zones.

Why Choose This Solution?

The ATEX A-H4.1 / A-H4.2 provides safe, reliable, and flexible switching for industrial flow monitoring in hazardous environments.

Intrinsically Safe

ATEX-certified for explosive atmospheres.

Reliable Switching

Reed switch technology ensures dependable operation.

Flexible Installation

Available with cable or DIN connector options.

Hazardous Area Ready

Ideal for oil & gas, chemical processing, and industrial automation.

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Product Details