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China, Chinese Original and Brand-New UK Mtl4541/S-Mtl5541/Srepeater Power Supply with 4/20mA Hart1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Test InstrumentBattery TesterPower SupplyMtl4541/5541 Power Supply
Kerui (Weifang) Automation Equipment Co., Ltd.
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Product Description Product DescriptionUK MTL4541 Repeater Power Supply: Comprehensive Product OverviewThe MTL4541 Repeater Power Supply, manufactured by Eaton's MTL Instruments (UK), is an advanced intrinsic safety barrier designed for industrial automation in hazardous environments. It provides reliable signal isolation, power sourcing, and current replication for 4-20mA instrument loops, supporting critical applications in oil and gas, chemical processing, and pharmaceutical industries. Below is a detailed technical and functional analysis of this product.Detailed Photos1. Product Overview and Core FunctionalityThe MTLx541 series (including MTL4541/MTL5541 variants) acts as a repeater power supply for 2- or 3-wire 4-20mA transmitters located in hazardous areas (e.g., Zone 0/Division 1). Its primary functions include:Power Sourcing: Delivers a floating DC supply (up to 16.5V at 20mA) to energize transmitters in explosive atmospheres (IIC/T4-6 certified).Signal Replication: Repeats the 4-20mA current loop in a fully isolated safe-area circuit, driving loads up to 450Ω (MTLx541) or acting as a current sink (MTLx541S).HART? Communication Support: Enables bi-directional digital communication for HART-enabled 2-wire transmitters via superimposed signals on the loop current.Key Variants:MTLx541: Standard repeater driving safe-area loads.MTLx541S: Operates as a current sink for safe-area connections (max. 600Ω load; 24V dc source).Product ParametersParameterSpecificationChannels1Hazardous-Area Input0-24mA (including over-range); Transmitter voltage: 16.5V at 20mASafe-Area OutputSignal range: 4-20mA; Under/over-range: 0-24mALoad ResistanceMTLx541: 0-360Ω @24mA, 0-450Ω @20mA; MTLx541S: 600Ω max (current sink mode)Transfer AccuracyBetter than ±15μA at 20°C; Temperature drift: <0.8μA/°COutput Ripple<50μA peak-to-peakResponse TimeSettles within 10% of final value in 50μsHazardous LocationZone 0, IIC, T4-6 (ATEX/IECEx); Div. 1, Group A (NEC)IsolationFully floating circuits; Safe-area output resistance: >1M3. Working Principle and DesignThe MTL4541 bridges hazardous and safe areas through galvanic isolation:Hazardous-Aide Side: Powers 2/3-wire transmitters (e.g., pressure/temperature sensors) in explosive zones.Safe-Area Side: Replicates the current loop to interface with control systems (PLCs, DCS). For MTLx541S, it sinks current from external sources (e.g., 4-wire transmitters) but does not support HART.HART Handling: Digital signals (1.2kHz FSK) pass bidirectionally via terminals 1-2 without degradation.Safety Architecture:Barrier Protection: Limits energy to hazardous areas, preventing ignition risks.Fault Tolerance: Designed for SIL 3 applications under IEC 61508:2010, with Hardware Fault Tolerance (HFT) 0 (simplex architecture suffices for SIL 3).4. Applications and Industry Use CasesOil & Gas: Tank level monitoring (Zone 0), pressure transmitters in offshore platforms.Chemical Plants: Flow/pH transmitters in Division 1 areas.Pharmaceutical: Sterile process control with HART diagnostics.Compatibility:Supports 2-/3-wire transmitters with HART.Accepts 4-wire devices (no HART support).5. Certifications and Safety Compliance Global Certifications:IECEx: BAS 15.0118X (conformity for MTL4541*/MTL4544*). ATEX, NEC, cFMus.Functional Safety: Achieves SIL 3 per IEC 61508:2010, subject to:Out-of-range signal detection (e.g., <3.8mA or >20.5mA for fault triggering).Proof testing every 1-3 years (see Appendix B of SM45-55-AI manual).Environmental Resilience: Operating temperature range -40°C to +85°C; EMI/ripple suppression (<50μA).6. Installation and IntegrationWiring:Terminals 1-2: HART-compatible hazardous-area input.Terminals 3-4: Safe-area output (MTLx541) or sink input (MTLx541S).System Configuration:Must be paired with certified IS barriers (e.g., MTL4500 series backplanes).Load resistance must not exceed 450Ω (MTLx541) to avoid signal distortion.Maintenance:Periodic proof tests to validate signal integrity and fault detection.No field calibration required (fixed transfer accuracy ±15μA).7. Product Variants and Related ModulesThe MTL4541 belongs to Eaton's MTL4500/5500 series of IS isolators. Key related models include:Analog Input Modules: MTL4541A, MTL4541S (sink version), MTL4544 (dual-channel).Digital I/O: MTL4510 (digital input), MTL4521 (digital output).Temperature Modules: MTL4575 (RTD input), MTL4576-THC (thermocouple).Fire/Safety: MTL4561 (fire alarm interface).For a full list, refer to MTL4500 Series Catalog.8. Manufacturer Support and ResourcesGlobal Contacts:Europe: +44 (0)1582 723633; Americas: +1 800 835 7075; Asia-Pacific: +65 6 645 9888; Documentation:Datasheets: MTLx541-SSafety Manual: SM45-55-AI Rev 5ConclusionThe MTL4541 Repeater Power Supply is a robust solution for hazardous-area signal conditioning, combining SIL 3 safety, HART compatibility, and flexible integration. Its design ensures compliance with global explosion-protection standards while minimizing installation complexity. For projects requiring reliable signal isolation in Zone 0/Div. 1 environments, the MTL4541 series offers a future-proof, certified backbone.Company ProfileKeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales,technical services, and supporting equipment supply of specialized companies. The main products are flow meters, level meters,temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields. Packaging & ShippingThe packaging and transportation of instrumentation in global trade hinges on a synergy of advanced materials, rigorous testing, regulatory compliance, and smart logistics. By adopting hybrid structural designs, leveraging real-time monitoring technologies, and prioritizing sustainability, exporters can ensure the safe, efficient, and cost-effective delivery of precision instruments. Continuous innovation in materials science and IoT integration will further redefine industry standards, enhancing resilience in an increasingly interconnected market.FAQQ: How long will you give me the reply?A: We will reply to you as soon as we see the information.Q: What is the delivery time?A: Our delivery time is within 3-7 days after we get your payment;for large qty mass orders, the time should be confirmed again for you.Q: How about your package?A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package.Q: How about the payment terms?A: You can choose T/T.Q: Do you provide samples?A: Yes, we have materials in stock to help you to get the samples as soon as we can.Q: What is the MOQ?A:1PC.Q: Can I get a lower price if I order large quantities?A: Yes, cheaper prices with more bigger size orders.
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