The MTL 5045 is a compact, high-performance industrial automation component engineered to ensure reliable 4-20 mA signal transmission in Zone 0/IIC hazardous environments. Unlike dual-channel alternatives like the Pepperl+Fuchs KFD2-CD-EX1.32, this single-channel isolating driver prioritizes precision in single-loop applications, such as valve positioners in petrochemical plants or pharmaceutical reactors . 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 800 Ω—significantly higher than most competitors—it supports long-distance signal transmission without signal degradation, a critical advantage in large-scale industrial setups . The device achieves ±5 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 .
Built to withstand extreme conditions, the MTL 5045 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 130 grams, it offers a lightweight yet durable solution compared to bulkier modules like Siemens SICL series . The plug-and-play terminals simplify wiring, while the green LED indicator provides real-time power status monitoring. Unlike Siemens modules, which often require external surge protection, the MTL 5045 integrates a fail-safe mechanism that maintains signal continuity during power fluctuations, reducing downtime by up to 25% in critical applications . With a 10-year operational lifespan and low power consumption (1.0 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 5045 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 . Its floating output design (0-800 Ω load resistance) accommodates various receiver inputs, while the isolated power supply (20-35 VDC) minimizes cross-channel interference . Although superseded by the MTL5546Y for new installations, the MTL 5045 remains fully supported for legacy systems, offering backward compatibility with MTL 5000 series modules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 5045 as a versatile solution for industrial automation challenges, particularly in applications requiring single-channel precision and robust hazardous area compliance.
| Attribute | Specification |
| Model | MTL 5045 |
| Type | Single-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 single-loop signal isolation . |
| Signal Type | 4-20 mA for 2/3-wire transmitters; supports Honeywell DE, Foxboro, and Yokogawa Brain protocols . |
| Channels | Single-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 | 120 g (product weight); 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 | 1.0 W at 24 VDC (single-channel operation) . |
| Output Load | 0-800 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 | High output capacity (16 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 MTL5546 (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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