The MTL 5049 is a high-performance industrial automation component designed to ensure reliable 4-20 mA signal transmission in Zone 0/IIC hazardous environments. Unlike single-channel alternatives like the MTL 5045 or dual-channel competitors such as the Pepperl+Fuchs KFD2-CD2-EX2, this compact isolating driver prioritizes scalability and precision in multi-loop applications, such as simultaneous valve control in petrochemical reactors or pharmaceutical mixing systems . Its intrinsic safety parameters (Uo = 28 V, Io = 93 mA, Po = 0.65 W) comply with ATEX (II 1 GD Ex ia IIC T4-T6) and IECEx (Ex ia IIC -20°C ≤ Ta ≤ +60°C) certifications, making it suitable for explosive gas atmospheres . With a maximum load resistance of 550 Ω—compatible with most field devices—it supports stable signal transmission over long distances, a critical advantage in large-scale industrial setups . The device achieves ±20 µA typical accuracy at 20°C and a rapid response time (<250 µs), ensuring seamless integration with dynamic process control systems like PLCs and DCS networks . Its dual-channel architecture reduces panel space by 30% compared to single-channel modules, while the plug-and-play terminals simplify wiring and maintenance .
Built to withstand extreme conditions, the MTL 5049 features a rugged housing that operates reliably in temperatures ranging from -20°C to +60°C and humidity levels up to 95% RH non-condensing . Its 16 mm width and DIN rail mount design maximize panel space, making it ideal for retrofitting into existing installations where space is limited, such as offshore platforms or refineries . Weighing just 140 grams, it offers a lightweight yet durable solution compared to bulkier modules like Siemens SICL series . The green LED indicator provides real-time power status monitoring, while the failsafe mechanism maintains signal continuity during power fluctuations, reducing downtime by up to 20% in critical applications . Unlike Pepperl+Fuchs KFD2-CD2-EX2, which requires external surge protection, the MTL 5049 integrates comprehensive surge suppression and line fault detection, enhancing reliability in unstable power environments . With a 10-year operational lifespan and low power consumption (1.4 W at 24 VDC), it balances longevity with energy efficiency, making it a cost-effective choice for both new projects and legacy system upgrades .
The MTL 5049 redefines flexibility in hazardous area automation, supporting 4-20 mA signal isolation for 2/3-wire transmitters while ensuring compatibility with a wide range of field devices, including Honeywell DE and Yokogawa Brain protocols . Its floating output design (0-550 Ω load resistance) accommodates various receiver inputs, while the isolated power supply (20-35 VDC) minimizes cross-channel interference . Although superseded by the MTL5549Y for new installations, the MTL 5049 remains fully supported for legacy systems, offering backward compatibility with MTL 5000 series modules and compliance with IEC 61508 functional safety standards . Its line fault detection feature adds an extra layer of reliability by identifying wiring issues in real-time, a critical advantage in safety-critical environments like chemical reactors or gas processing units . This combination of safety, scalability, and ease of integration positions the MTL 5049 as a versatile solution for industrial automation challenges, particularly in applications requiring dual-channel precision and robust hazardous area compliance. By leveraging its compact footprint and advanced isolation technology, the MTL 5049 outperforms competitors like Siemens SICL series in both performance and cost-effectiveness, making it a preferred choice for global industrial enterprises .
| Attribute | Specification |
| Model | MTL 5049 |
| Type | Dual-channel intrinsic safety isolating driver for 4-20 mA signals in Zone 0/IIC hazardous areas, supporting 2/3-wire transmitters and line fault detection . |
| Manufacturer | Measurement Technology Ltd. (MTL) / Eaton (legacy product) . |
| Applications | Oil & gas refineries, chemical processing plants, pharmaceutical facilities; Class I, Div. 1 hazardous areas requiring dual-loop signal isolation . |
| Signal Type | 4-20 mA for 2/3-wire transmitters; supports Honeywell DE, Foxboro, and Yokogawa Brain protocols . |
| Channels | Dual-channel. |
| Isolation | 250 V AC between input, output, and power terminals . |
| Accuracy | ±20 µA typical at 20°C (0.125% of 16 mA span) . |
| Response Time | <250 µs to settle within 10% of final value . |
| Certifications | ATEX (II 1 GD Ex ia IIC T4-T6), IECEx (Ex ia IIC -20°C ≤ Ta ≤ +60°C), UL (Class I, Div. 1), CSA (legacy certifications) . |
| Intrinsic Safety Parameters | Uo = 28 V, Io = 93 mA, Po = 0.65 W, Um = 250 V; terminals classified as non-energy-storing apparatus . |
| Temperature Range | -20°C to +60°C (operating); -40°C to +80°C (storage) . |
| Humidity | 5-95% RH non-condensing . |
| Dimensions | 104 x 16 x 110 mm (4.09" x 0.63" x 4.33") . |
| Weight | 140 g (product weight); 2.2 kg (shipping weight with packaging) . |
| Mounting | 35 mm DIN rail (EN 50022) with plug-in terminals for 2.5 mm² wires . |
| Power Requirements | 20-35 VDC input; loop-powered for signal transmission . |
| Power Consumption | 1.4 W at 24 VDC (dual-channel operation) . |
| Output Load | 0-550 Ω per channel in safe area . |
| HART Compatibility | Not supported; designed for analog signal conditioning . |
| Terminals | Plug-and-play terminals with strain relief for secure wiring . |
| Warranty | 12 months . |
| Unique Features | Dual-channel architecture reduces panel space by 30% compared to single-channel modules; high output capacity (11 V at 20 mA); low input voltage drop (<4 V); green LED power indicator; failsafe mechanism maintains signal integrity during power fluctuations . |
| Environmental Resistance | Withstands vibrations (IEC 60068-2-6) and extreme humidity; reinforced housing for harsh industrial environments . |
| Compliance | Meets IEC 61508 standards for functional safety; compatible with MTL 5000 series modules . |
| Documentation | MTL 5000 Series Instruction Manual (INM5000) for installation and maintenance . |
| Replacement | Superseded by MTL5549Y (MTL5500 series) for new applications, but still supported for legacy systems |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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