MTL4544

Product Description

Home / Intrinsic Safety / MTL / MTL4544 Need MTL MTL4544? Intrinsically safe isolator for Intrinsic safety signal isolation in hazardous areas. Supplied with full traceability and documentation.... Price & Availability Classified as an intrinsically safe isolator repeater, it is positioned as a direct replacement and service part for existing installations. Listed as Active, it is offered as a maintained and verified spare that supports the continued operation of the installed base. Key technical specifications include: The Function is Intrinsically safe repeater power supply. Its Channels is rated at 2. For reference, the Supply is 20-35 V DC via Power Rail. The Isolation is 3-port (input / output / power). Its Hazardous area is rated at Zone 0, IIC (per cert). For reference, the Dimensions (W x H x D) is 17.5 mm x 110 mm x 120 mm. The Operating temperature is -20 to +60 C. Its Approvals is rated at ATEX, IECEx, FM, CSA. Notable features of this unit: 2-channel intrinsically safe repeater for 4-20 mA transmitters. 3-port galvanic isolation for noise immunity. Backplane mount within the MTL4500 system. Typical applications include Petrochemical and gas plants, Pharmaceutical and chemical sites, Safety-instrumented system loops. It is compatible with or cross-references MTL4500 Power Rail and backplane, MTL5544 (DIN-rail) equivalent. Equivalent / cross-reference designation: ATEX, IECEx, FM, CSA (Zone 0 / Div 1). Within industrial automation and process-control environments, components of this type are relied upon to keep critical equipment operating safely and efficiently. They are typically specified where uptime, repeatability and a predictable maintenance cycle matter more than upfront cost. A intrinsically safe isolator repeater such as this one forms part of a larger machine or system, so correct identification and fitment directly affect the performance and safety of the whole installation. MTL Instruments parts are widely used across power generation, manufacturing, oil and gas, water and process industries, where engineering teams standardise on proven series to simplify spares planning. When selecting a replacement, confirm the exact model designation and verify that the mechanical and electrical interface matches the unit currently installed. Cross-checking the order code, mounting style and connection type against the existing device helps avoid compatibility issues and unplanned downtime during a maintenance window. Where several variants exist, the suffix often defines voltage, range or firmware, so it should be matched precisely rather than approximated. This item is offered from our active stock of current and discontinued industrial parts. Each listing is verified against the manufacturer designation before shipment so you receive the correct part for your application. Availability and lead time vary by item; our team can confirm the fastest option for your required quantity and provide a formal quotation on request. Common questions: Regarding "What does the MTL4544 do": It powers and isolates 2-wire/3-wire 4-20 mA HART transmitters in Zone 0. Regarding "How is it mounted": On the MTL4500 backplane via the Power Rail. Please contact us to confirm current pricing, availability and delivery for your required quantity; volume and project pricing are available on request. The MTL Instruments MTL4544 is an intrinsically safe isolator repeater. Basic Product Information Transparent bi-directional HART communication 3-port galvanic isolation for noise immunity Backplane mount within the MTL4500 system 2-channel intrinsically safe repeater for 4-20 mA transmitters Technical Specifications Version & Model Difference ['MTL4544 is the MTL4500 backplane version', 'MTL5544 is the DIN-rail MTL5500 version', 'Pair with MTL Power Rail and backplane chassis'] Application Scenarios Petrochemical and gas plants Pharmaceutical and chemical sites Safety-instrumented system loops Does it support HART? Yes, it passes bi-directional HART communication transparently. On the MTL4500 backplane via the Power Rail. What approvals does it carry? ATEX, IECEx, FM and CSA for Zone 0 / Div 1. What does the MTL4544 do? It powers and isolates 2-wire/3-wire 4-20 mA HART transmitters in Zone 0. MTL MTL4549Y Isolating Driver MTL 5546Y Analog Output Isolator MTL Instruments MTL5511 Switch / Proximity Detector Interface