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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