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MTL-4544D

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January 15, 2026
Category Connection: MTL Safety Barrier
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Tags:
#mtl safety barrier #mtl barriers #repeater power supply
Brief: Curious about how this performs in practice? Join us for a hands-on look at the MTL 4544 Fieldbus Module. In this video, we demonstrate its operation as a FOUNDATION Fieldbus H1 repeater with intrinsic safety protection. You'll see how it provides regulated 24V DC power, handles dual fieldbus segments, and utilizes advanced diagnostics in hazardous area applications. We'll walk through its key features and show how it meets FM, ATEX, and IECEx approvals for reliable performance in Zone 1 environments.
Related Product Features:
  • Functions as a FOUNDATION Fieldbus H1 repeater with intrinsic safety protection for hazardous areas.
  • Provides regulated 24V DC power with 1.5A capacity for fieldbus networks.
  • Supports two independent fieldbus segments with adjustable current limits from 0.5A to 1.5A.
  • Features advanced diagnostic capabilities including real-time voltage and current monitoring.
  • Accepts universal input of 85-264V AC or 20-30V DC for flexible power sourcing.
  • Includes built-in switchable 100Ω termination and comprehensive LED status indicators.
  • Carries FM, ATEX, and IECEx approvals for Zone 1 hazardous locations.
  • Offers optional RS-485 communication interface for remote configuration and monitoring.
FAQs:
  • What certifications does the MTL 4544 Fieldbus Module hold for hazardous area use?
    The MTL 4544 carries FM, ATEX, and IECEx approvals for Zone 1 hazardous locations, specifically certified for II 2(1) G [Ex ia Ga] IIC environments, making it suitable for use in explosive atmospheres.
  • How many fieldbus segments can the MTL 4544 module support?
    The MTL 4544 supports two independent fieldbus segments, each capable of powering and conditioning separate FOUNDATION Fieldbus H1 networks with adjustable current limits and individual diagnostics.
  • What input power sources are compatible with the MTL 4544 module?
    The module accepts a universal input range of 85-264V AC at 50/60 Hz or 20-30V DC, providing flexibility in power source selection for various industrial installation requirements.
  • What diagnostic features are available on the MTL 4544?
    The module includes comprehensive diagnostics with real-time monitoring of fieldbus voltage and current, six LED status indicators for power, communication activity, and segment health, plus an optional RS-485 interface for remote configuration and monitoring.
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