{"product_id":"mtl5995-fieldbus-power-supply-mtl-h1-series-reliable-19v-output","title":"MTL5995 Fieldbus Power Supply | MTL H1 Series Reliable 19V Output","description":"\u003ch3\u003e\u003cstrong\u003eMTL5995 Fieldbus Power Supply — Stable H1 Segment Power for Industrial Networks\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #c0392b;\"\u003eMTL5995\u003c\/span\u003e\u003c\/strong\u003e is a general-purpose power supply for 31.25 kbit\/s H1 fieldbus systems. It provides a regulated 19 V DC output for compatible fieldbus segments. Its low output impedance supports stable power delivery to connected devices.\u003c\/p\u003e\n\u003cp\u003eThe unit follows Fieldbus Foundation power supply Type 131 requirements. This non-intrinsically safe supply is intended to feed an intrinsically safe barrier. Engineers must verify the complete segment design before connecting hazardous-area instruments.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #c0392b;\"\u003eMTL5995\u003c\/span\u003e\u003c\/strong\u003e provides a design current of up to 350 mA. Its current limit exceeds 370 mA, providing additional inrush margin. This design helps prevent other devices from resetting when an instrument disconnects or reconnects on a fully loaded segment.\u003c\/p\u003e\n\u003cp\u003eThe product family includes two connector configurations: \u003cstrong\u003eMTL5995\u003c\/strong\u003e and \u003cstrong\u003eMTL5995-PS\u003c\/strong\u003e. The PS version provides a single secured plug-in fieldbus connector and a power plug. The manufacturer recommends this configuration for new installations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e01 | Product Identity and Variant Selection\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Brand\u003c\/td\u003e\n\u003ctd\u003eMTL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eMTL5995 H1 Fieldbus Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel A\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color: #c0392b;\"\u003eMTL5995\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel B\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003cspan style=\"color: #c0392b;\"\u003eMTL5995-PS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eFieldbus segment power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Standard\u003c\/td\u003e\n\u003ctd\u003e31.25 kbit\/s H1 fieldbus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Classification\u003c\/td\u003e\n\u003ctd\u003eFieldbus Foundation Type 131, non-IS supply intended to feed an IS barrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Location\u003c\/td\u003e\n\u003ctd\u003eSafe area or suitably approved Zone 2 \/ Class I Division 2 location\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended New Installation Variant\u003c\/td\u003e\n\u003ctd\u003eMTL5995-PS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eVariant difference:\u003c\/strong\u003e The MTL5995 uses a pair of plug-in fieldbus connectors. The MTL5995-PS uses one secured plug-in fieldbus connector and a separate power plug. Check the installed wiring arrangement before ordering a replacement.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e02 | Electrical Performance at a Glance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eElectrical Parameter\u003c\/th\u003e\n\u003cth\u003eSpecified Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Input Voltage\u003c\/td\u003e\n\u003ctd\u003e20–30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegulated Output Voltage\u003c\/td\u003e\n\u003ctd\u003e19 V ±2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDC Output Impedance\u003c\/td\u003e\n\u003ctd\u003eLess than 2 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign Output Current\u003c\/td\u003e\n\u003ctd\u003e0–350 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Limit\u003c\/td\u003e\n\u003ctd\u003eGreater than 370 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Ripple\u003c\/td\u003e\n\u003ctd\u003eComplies with Fieldbus requirements under clause 22.6.2 for output currents above 10 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e250 V RMS between fieldbus and power supply terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Indication\u003c\/td\u003e\n\u003ctd\u003eOne green LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Bus Termination\u003c\/td\u003e\n\u003ctd\u003eSelectable using the switch at the base of the unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eEngineering note:\u003c\/strong\u003e The 350 mA design current and greater-than-370 mA current limit serve different purposes. The design current defines the specified operating range. The current limit provides additional margin for device inrush.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e03 | Input Loading and Heat Dissipation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSupply sizing must account for input current and thermal losses. The following figures apply at a 350 mA output load.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eInput Voltage\u003c\/th\u003e\n\u003cth\u003eTypical Input Current\u003c\/th\u003e\n\u003cth\u003ePower Dissipation\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e20 V DC\u003c\/td\u003e\n\u003ctd\u003e520 mA\u003c\/td\u003e\n\u003ctd\u003eNot specified in the supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e24 V DC\u003c\/td\u003e\n\u003ctd\u003e420 mA\u003c\/td\u003e\n\u003ctd\u003e3.4 W typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e30 V DC\u003c\/td\u003e\n\u003ctd\u003e370 mA\u003c\/td\u003e\n\u003ctd\u003e4.5 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cul\u003e\n\u003cli\u003eMaintain an input supply within the specified 20–30 V DC range.\u003c\/li\u003e\n\u003cli\u003eAllow sufficient power capacity for the fieldbus load and the supply's input requirements.\u003c\/li\u003e\n\u003cli\u003eInstall the module with 10 mm clearance from adjacent units.\u003c\/li\u003e\n\u003cli\u003eUse MTL MS010 spacers when the installation requires the specified 10 mm separation.\u003c\/li\u003e\n\u003cli\u003eCheck cabinet ventilation and surrounding temperatures during system design.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003e04 | Fieldbus Wiring and Terminal Reference\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003cth\u003eModel Applicability\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eInternally linked to terminal 10; assists with cable-screen termination\u003c\/td\u003e\n\u003ctd\u003eMTL5995\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8 and 11\u003c\/td\u003e\n\u003ctd\u003eFieldbus device connections, negative\u003c\/td\u003e\n\u003ctd\u003eBoth variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9 and 12\u003c\/td\u003e\n\u003ctd\u003eFieldbus device connections, positive\u003c\/td\u003e\n\u003ctd\u003eBoth variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003eInternally linked to terminal 7 on MTL5995; cable-screen interconnection terminal on MTL5995-PS\u003c\/td\u003e\n\u003ctd\u003eVariant-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003eDC supply negative\u003c\/td\u003e\n\u003ctd\u003eBoth variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003eDC supply positive\u003c\/td\u003e\n\u003ctd\u003eBoth variants\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eTerminal functions differ in their cable-screen arrangements. Follow the correct wiring diagram for the exact model. Do not assume that terminals 7 and 10 provide identical arrangements on both versions.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e05 | Mechanical and Environmental Limits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35 mm DIN rail, top-hat type.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRail standards:\u003c\/strong\u003e EN 50022-35 × 7.5, BS 5584, and 35 × 27 × 7.3 DIN 46277.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating temperature:\u003c\/strong\u003e −20°C to +60°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage temperature:\u003c\/strong\u003e −40°C to +80°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelative humidity:\u003c\/strong\u003e 5–95%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 110 g.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFieldbus-to-supply isolation:\u003c\/strong\u003e 250 V RMS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation clearance:\u003c\/strong\u003e 10 mm from adjacent units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe terminal conductor range depends on the model. The MTL5995 accepts 0.14–2.5 mm² conductors. The MTL5995-PS accepts 0.14–1.5 mm² conductors. Both support stranded or single-core conductors.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e06 | Bus Termination and Network Integration\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCorrect termination is essential for reliable H1 fieldbus communication. Each bus segment requires termination at both ends.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUse the internal termination switch when the supply occupies one end of the trunk.\u003c\/li\u003e\n\u003cli\u003eUse a compatible external terminator when the supply does not occupy a segment endpoint.\u003c\/li\u003e\n\u003cli\u003eSuitable listed options include the MTL FBT1-IS, F100, and FCS-MBT terminators.\u003c\/li\u003e\n\u003cli\u003eConfirm the terminator type against the segment design and hazardous-area requirements.\u003c\/li\u003e\n\u003cli\u003eCheck polarity, trunk topology, cable screening, and total segment loading before commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe internal termination switch does not replace the requirement for two correctly positioned bus terminators. An incorrect termination arrangement can cause communication errors even when the supply voltage remains stable.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e07 | Supported Systems and Typical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #c0392b;\"\u003eMTL5995\u003c\/span\u003e\u003c\/strong\u003e supports compatible 31.25 kbit\/s H1 fieldbus installations. Its suitability depends on the network architecture, connected device load, and hazardous-area design.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess instrumentation:\u003c\/strong\u003e Powering compatible H1 fieldbus segments with multiple field instruments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOil and gas facilities:\u003c\/strong\u003e Supporting fieldbus infrastructure in appropriately designed process areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChemical plants:\u003c\/strong\u003e Supplying compatible fieldbus networks serving process measurement devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater and wastewater:\u003c\/strong\u003e Supporting distributed instrumentation on H1 fieldbus segments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess control systems:\u003c\/strong\u003e Providing segment power for compatible fieldbus instruments and approved barrier arrangements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl cabinet upgrades:\u003c\/strong\u003e Replacing a supply after checking its connector version, current capacity, termination arrangement, and approvals.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module is a segment power supply, not a fieldbus host, controller, or protocol gateway. It does not independently perform instrument configuration or network communication diagnostics.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e08 | Diagnostics and Field Troubleshooting\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe MTL5995 has one green power LED. This indicator confirms a power-related status but does not provide detailed device-level diagnostics.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGreen LED off:\u003c\/strong\u003e Check the incoming DC supply, polarity, terminal tightness, and upstream protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField instruments lose communication:\u003c\/strong\u003e Measure the supply voltage and inspect the segment load, wiring, and termination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevices reset during reconnection:\u003c\/strong\u003e Review the total segment current and the inrush characteristics of connected instruments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntermittent communication faults:\u003c\/strong\u003e Inspect cable screening, connectors, trunk topology, and both end terminators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnexpected voltage drop:\u003c\/strong\u003e Check conductor resistance, terminal condition, cable length, and total connected load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePractical example:\u003c\/strong\u003e Several H1 instruments may become unstable after a replacement device connects to a heavily loaded segment. Check the total current against the 350 mA design limit first. Then verify the incoming supply and segment termination. This sequence helps distinguish power-loading problems from communication-layer faults.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant limitation:\u003c\/strong\u003e The green LED cannot identify a faulty field instrument or confirm communication quality. Use a suitable fieldbus diagnostic tool or host-system diagnostics for device-level investigation.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e09 | Global PLC Spare HUB's Insight\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eFor fieldbus supply selection, engineers should evaluate three separate factors: electrical capacity, network termination, and hazardous-area compliance. Matching the output voltage alone does not guarantee a suitable replacement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eField experience: reconnecting a device on a loaded segment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen a field instrument reconnects, its input circuitry may draw additional current during startup. The MTL5995 provides a current limit above 370 mA to create inrush margin beyond its 350 mA design current. This feature helps reduce the risk of disturbing other devices during reconnection.\u003c\/p\u003e\n\u003cp\u003eHowever, the margin does not authorise continuous operation above the specified design current. Calculate the steady-state load for all connected devices and check their startup requirements. Investigate repeated resets if the segment approaches its current limit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eField experience: stable voltage but unreliable communication\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA fieldbus segment can show a reasonable DC voltage while communication remains unstable. Incorrect termination, poor screen connections, and unsuitable trunk wiring can produce similar symptoms. Check both segment endpoints before replacing the power supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSelection recommendation:\u003c\/strong\u003e Choose MTL5995 when its paired plug-in connector arrangement matches the installed design. Consider MTL5995-PS for new installations requiring its secured fieldbus connector and separate power plug. Verify terminal wiring and certification before ordering either version.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e10 | Hazardous-Area Approvals and Standards\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe supplied specification lists the following approvals and installation classifications. Approval details differ between the two variants.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApproval or Requirement\u003c\/th\u003e\n\u003cth\u003eSpecified Information\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Location\u003c\/td\u003e\n\u003ctd\u003eSafe area, Zone 2 IIC T4, or Class I Division 2 Groups A–D T4 location, subject to applicable approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Wiring Location\u003c\/td\u003e\n\u003ctd\u003eSafe area, Zone 2 IIC T4, or Class I Division 2 Groups A–D T4 location, subject to applicable approval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Wiring Protection\u003c\/td\u003e\n\u003ctd\u003eNormally non-arcing \/ Ex nA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX — MTL5995\u003c\/td\u003e\n\u003ctd\u003eEN 50021, II 3 G Ex nA IIC T4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eATEX — MTL5995-PS\u003c\/td\u003e\n\u003ctd\u003eIEC 60079-15, II 3 G Ex nA IIC T4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFM — United States\u003c\/td\u003e\n\u003ctd\u003eClass No. 3611, Class I Division 2 Groups A–D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCSA — Canada\u003c\/td\u003e\n\u003ctd\u003eC22.2 No. 213, Class I Division 2 Groups A–D; Ex nA IIC T4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable Fieldbus References\u003c\/td\u003e\n\u003ctd\u003eFF-816, IEC 61158-2:1993, and ISA-S50.02-1992\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThese details reflect the supplied product documentation. Confirm the current certificate, exact model suffix, installation conditions, and local regulatory requirements before use in a hazardous area.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e11 | Purchasing, Packaging, and Warranty\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct identification:\u003c\/strong\u003e MTL5995 or MTL5995-PS, according to the order.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e One unit unless the quotation specifies otherwise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccessories:\u003c\/strong\u003e Terminators, spacers, and additional wiring accessories are not included unless explicitly listed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e Available product documentation depends on the supplied package and order terms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12 months under the agreed sales terms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDispatch:\u003c\/strong\u003e Typically 24–48 hours after order confirmation, subject to stock availability and payment clearance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCourier options:\u003c\/strong\u003e FedEx, UPS, and DHL, subject to destination and service availability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eContact Global PLC Spare HUB to confirm the exact variant, stock status, quotation, and delivery arrangements. Provide your destination country and required quantity for an accurate shipping estimate.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003e12 | Frequently Asked Questions\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: How should engineers calculate the maximum number of fieldbus instruments for this supply?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eCalculate the combined steady-state current of all connected devices and keep the total within the 350 mA design current. Also consider startup current, cable voltage drop, barrier losses, and the network design requirements. The number of instruments depends on their individual current consumption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can the internal terminator remain enabled when an external terminator is installed nearby?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOnly if the network design places the supply at a segment endpoint and the termination arrangement remains correct. Each bus requires termination at both ends. Avoid adding extra terminators without reviewing the complete trunk topology.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What should be checked before using the MTL5995 with an intrinsically safe barrier?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConfirm that the supply and barrier arrangement matches the manufacturer's approved system design. Review the barrier's input requirements, output characteristics, segment current, entity parameters, and hazardous-area documentation. The MTL5995 is a non-IS supply intended to feed an IS barrier; it does not replace the barrier.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: How can engineers distinguish a supply problem from a fieldbus wiring problem?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMeasure the DC input and segment output under normal operating load. Compare these readings with the specified voltage and load limits. If supply conditions remain acceptable, inspect termination, cable screening, polarity, connectors, and host-system diagnostics. Use a fieldbus analyser when the fault remains unclear.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Which model should buyers select for a new cabinet or an existing replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor a new installation, consider the MTL5995-PS because its connector arrangement is recommended for new installations. For a replacement, match the installed model, terminal wiring, cable-screen arrangement, mounting requirements, and certification. Confirm the exact part number before placing the order.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRequest a Quote for MTL5995 \/ MTL5995-PS\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eLooking for an \u003cstrong\u003e\u003cspan style=\"color: #c0392b;\"\u003eMTL5995\u003c\/span\u003e\u003c\/strong\u003e or \u003cstrong\u003e\u003cspan style=\"color: #c0392b;\"\u003eMTL5995-PS\u003c\/span\u003e\u003c\/strong\u003e fieldbus power supply? Contact Global PLC Spare HUB for current pricing, availability, model verification, and shipping options.\u003c\/p\u003e\n\u003cp\u003eSend us your part number, quantity, destination, and application requirements. Our team can help verify the connector configuration and key electrical specifications before you order.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/MTL5995_2.png?v=1792984774\" alt=\"\"\u003e\u003c\/p\u003e","brand":"MTL","offers":[{"title":"Default Title","offer_id":67815151206582,"sku":"MTL5995","price":106.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/MTL5995-1.jpg?v=1792986688","url":"https:\/\/www.plcsparehub.com\/es\/products\/mtl5995-fieldbus-power-supply-mtl-h1-series-reliable-19v-output","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}