Eaton MTL intrinsically safe fieldbus barriers
Fieldbus barriers providing intrinsically safe spurs from a high-energy trunk for FOUNDATION™ fieldbus H1 devices – mount in Zone 1/21, spurs into Zone 0.
- High-energy trunk with intrinsically safe spurs for FF H1 devices
- Mount in Zone 1 (gas) or Zone 21 (dust) with spurs into Zone 0
- Redundant versions (9372-FB, 9387-FB) for high availability
- Complete 6/12-spur enclosures or modules/open-frame for your own enclosure
Overview
MTL fieldbus barriers provide intrinsically safe spur connections from a high-energy trunk, enabling reliable connection to certified FOUNDATION™ fieldbus H1 instruments. They are engineered for hazardous areas and come in a variety of configurations and enclosure materials.
Ranges
- 9373-FB3 – complete enclosure for 12 IS spurs
- 9377-FB3 – compact fieldbus barrier module, 12 spurs
- 937x-FB2 – complete enclosure for 6 or 12 spurs
- 9372-FB – redundant fieldbus barrier enclosure, up to 6 spurs
- 9387-FB – open-frame redundant barrier, pre-assembled, up to 5 spurs, for a user-selected Ex e enclosure
VTL supplied 9372-FB barriers to Bien Dong POC (2021).
| Protocol | FOUNDATION™ fieldbus H1 |
|---|---|
| 9373-FB3 | Complete enclosure, 12 spurs |
| 9377-FB3 | Compact module, 12 spurs |
| 937x-FB2 | Complete enclosure, 6 or 12 spurs |
| 9372-FB | Redundant enclosure, up to 6 spurs |
| 9387-FB | Open-frame redundant, up to 5 spurs |
| Approvals | ATEX, IECEx – Ex d e ib mb [ia Ga] IIC T4 Gb |
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