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Galvanic separation between the supply and fieldbus segments reduces the risk of multiple segment failures caused by ground faults.
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Eaton MTL 9191-FP 4-Segment Fieldbus Power Module
Item NO.: 9191-FP
Price：Request a Quote
Warranty：1 year
Condition：Brand new and factory sealed
Inquire Email：sales1@apterpower.com
Mobile/WhatsApp：+8618020776782
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Detail
- Product NameEaton MTL 9191-FP 4-Segment Fieldbus Power Module
- Item NO.9191-FP
- Weight0.2000 kg = 0.4409 lb = 7.0548 oz
- CategoryOTHER
- BrandOTHER
- Creation Time2026-10-27
- Eaton MTL 9191-FP provides isolated power for four fieldbus segments. The module supports load sharing and integrated segment monitoring in MTL 9180 series systems.
EATON MTLMTL 9180 SERIES
9191-FP
4-Segment Fieldbus Power Module
Isolated fieldbus power with integrated segment monitoring and flexible load sharing.
Segment 1
Segment 2
Segment 3
Segment 4
28.0-32.0 V DC0-250 mA / segment
Module only. The system illustration includes a carrier and additional modules.
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Contact info
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Specifications
| Output voltage | 28.0-32.0 V DC |
| Design current per segment | 0-250 mA |
| Output current limit | >320 mA |
| Minimum output load | 0 mA |
| Output channels | 4 |
| Required system input voltage | 19.2-30.0 V DC, via compatible carrier |
| Fieldbus-to-input isolation | 500 V AC rms withstand, FF-831 |
| Segment-to-segment isolation | 850 V DC withstand |
| Segment undervoltage alarm threshold | <16 V |
| Alarm contact rating | 1 A maximum at 30 V DC maximum |
| Input-failure indication threshold | <4.5 V at Power A or B; module in corresponding slot |
| Operating ambient temperature | -20 to +60 °C, optimum orientation; -20 to +50 °C otherwise |
| Storage ambient temperature | -40 to +85 °C |
| Relative humidity | <95%, non-condensing |
| Equipment ingress protection | IP20 to BS EN 60529; additional enclosure required |
| Required enclosure protection | IP54 minimum, subject to installation conditions |
| Installation pollution degree | 2 maximum to IEC 60664-1 |
| Status indicators | 5 LEDs: 4 green segment indicators and 1 red fault indicator |
Input, isolation, environmental and enclosure limits apply when the module is installed on a compatible MTL carrier. Operating temperature depends on mounting orientation. IP54 describes the required enclosure, not the module housing.
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Description
Eaton MTL 9191-FP is a four-segment fieldbus power module for the MTL 9180 series power systems. It supplies 28.0-32.0 V DC with a design current of up to 250 mA per segment. Galvanically isolated outputs condition power for industrial fieldbus networks. The module operates with matching modules in a load-sharing arrangement when a redundant power system is required. Integrated segment monitoring helps maintenance personnel identify abnormal output conditions. This fieldbus power supply module supports dependable process-instrumentation infrastructure in general-purpose and suitable high-energy-trunk installations.
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Function
Module+Module
Load sharing
Matching power modules balance their current contribution on the carrier. An additional module provides the redundancy required by the selected system design.
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Product Applications
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