Eaton / MTL5000 Intrinsic Safety Isolators
Eaton MTL5081 Millivolt and Thermocouple Isolator
Single-channel high-frequency millivolt and thermocouple isolator with galvanic isolation.
Product Overview
Fast isolated transfer of low-level mV and thermocouple signals
Eaton MTL5081 is a single-channel isolator for millivolt and thermocouple inputs. Its official input range is 0 to ±50 mV with ±55 mV overrange, and the signal bandwidth extends from DC to 4 kHz.
The module is discontinued. Eaton identifies MTL5581 as the replacement model.
Official Eaton MTL5081 millivolt and thermocouple isolator connection diagram.
Operating Characteristics
Low-level signal transfer with wide bandwidth
Bipolar mV input
The channel accepts signals from 0 to ±50 mV.
High-speed response
Typical response is 150 µs to within 10% of the final value.
DC-to-4 kHz bandwidth
The specified frequency range supports dynamic low-level signals.
Galvanic isolation
The input, output and supply circuits are isolated.
Product Specifications
Official identification and technical data
| Brand | Eaton |
|---|---|
| Model | MTL5081 |
| Channels | 1 |
| Input | 0 to ±50 mV |
| Input overrange | ±55 mV |
| Output resistance | 60 ohms |
| Accuracy | Better than 0.05% of reading or ±5 µV |
| Response | Typically 150 µs to within 10% |
| Frequency range | DC to 4 kHz |
| Power supply | 20-35 Vdc |
| Current consumption | 20 mA maximum |
| Power consumption | 0.5 W at 24 V; 0.7 W at 35 V |
| Isolation | 250 Vac |
| Indicator | Green power LED |
Replacement Information
Official migration to MTL5581
Discontinued model
Eaton lists MTL5081 in its discontinued product support material.
Named replacement
The official cross-reference identifies MTL5581 as the replacement.
FAQ
Eaton MTL5081 technical questions
What input range does MTL5081 accept?
The official specification is 0 to ±50 mV with ±55 mV overrange.
What is the signal bandwidth?
The module is specified from DC to 4 kHz.
What supply is required?
MTL5081 requires 20-35 Vdc.
Is MTL5081 discontinued?
Yes. Eaton lists it as discontinued.
What is the official replacement for MTL5081?
Eaton identifies MTL5581.
Recommended Products
Additional industrial automation models
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