MTL5576-RTD Safety Barrier Resistance Temperature Detectors
The Eaton Crouse-Hinds series MTL5500 temperature converter is a 2-channel safety barrier designed for hazardous locations. This robust device accepts 2- or 3-wire RTD inputs with a 0-400 ohms signal range and provides comprehensive LED status indication.
Product Overview
| Product Name |
Eaton Crouse-Hinds series MTL5500 temperature converter |
| Catalog Number |
MTL5576-RTD |
| Product Type |
Temperature converter |
| Dimensions (L x H x W) |
109.8 mm × 118.8 mm × 15.8 mm |
| Product Weight |
150 g |
Key Features
- 2-channel RTD/potentiometer input with 0-400Ω signal range
- Hazardous location certified for Zone 0 applications
- Functional channel-channel isolation for enhanced safety
- Comprehensive LED status indication (Green=power, Yellow=status, Red=LFD)
- Configurable response time with 500ms default setting
- Safety drive options on sensor failure (upscale, downscale, or off)
Technical Specifications
| Input Signal |
2-, 3-wire RTDs |
| Signal Range |
0-400Ω |
| Output Signal Range |
4-20mA nominal into 300Ω max. |
| Number of Channels |
2 |
| Power Supply |
20-35 Vdc |
| Current Consumption |
60mA |
| Power Dissipation |
1.4W |
| RTD Excitation Current |
200µA |
| Transfer Accuracy |
±16µA |
| Temperature Drift |
±0.6µA/°C |
| Response Time |
Configurable (500ms default) |
| Operating Temperature |
-20°C to 60°C |
| Storage Temperature |
-40°C to 80°C |
| Humidity |
5-95% relative humidity |
| Common Mode Rejection |
120 dB for 240V at 50 or 60 Hz |
| Series Mode Rejection |
40 dB for 50 or 60 Hz |
| Mounting Method |
T-section 35mm DIN rail |
| Terminal Capacity |
Accepts conductors up to 2.5mm² stranded or single-core |
| Electrical Connection |
Crimp ferrules |
| Configuration |
Personal computer running MTL PCS45 software with PCL45USB serial interface |
Safety & Certification
| Area Classification |
Hazardous/Classified Locations |
| Standards Type |
IEC, IECEx/ATEX |
| Hazardous Rating |
Zone 0 |
| Galvanic Isolation |
250V rms between safe-area circuits and power supply |
| EMC Compliance |
EN61326 |