MTL5544A MTL5500 Din-Rail Mounted Intrinsically Safe Isolator
Eaton Crouse-Hinds series MTL5500 current repeater with 2-channel analogue input, designed for hazardous locations. Features 20-35 Vdc power supply, 4-20mA signal range, HART communication support, and comprehensive safety certifications.
- 2-channel analogue input current repeater
- HART communication protocol support
- Intrinsically safe for hazardous area applications
- DIN-rail mounting for easy installation
- Green LED power indication
- Low power dissipation: 1.5W at 24 Vdc
Technical Specifications
| Catalog Number |
MTL5544A |
| EAN |
3066227675817 |
| Product Type |
Current repeater |
| Input Type |
Passive input for HART transmitters |
| Signal Range |
4-20mA |
| Number of Channels |
2 |
| Power Supply |
20-35 Vdc |
| Power Dissipation |
1.5W at 24 Vdc |
| Load Resistance |
0-360Ω |
| Input Impedance |
>230Ω |
| Response Time |
Settles within 200µA of final value after 20ms |
| Transfer Accuracy |
Better than 20µA |
| Temperature Drift |
<1µA/°C |
| Ripple |
<50µA peak-to-peak up to 80 kHz |
| Maximum Input Voltage Drop |
<6.6V |
| Under/Over Range |
1.0 to 21.5mA |
Environmental & Safety Specifications
| Area Classification |
Hazardous/Classified Locations |
| Standards |
IECEx/ATEX, IEC |
| Hazardous Rating |
Zone 0 |
| Safety Integrity Level (IEC61508) |
SIL2 |
| Operating Temperature |
-20°C to 60°C |
| Storage Temperature |
-40°C to 80°C |
| Humidity |
5-95% relative humidity |
| Galvanic Isolation |
250V rms between safe-area circuits and power supply |
| EMC Compliance |
EN61326 |
Physical Specifications
| Dimensions (L x H x W) |
109.8 mm x 118.8 mm x 15.8 mm |
| Weight |
150 g |
| Mounting Method |
T-section 35mm DIN rail |
| Terminal Capacity |
Accepts conductors up to 2.5mm² stranded or single-core |
| Electrical Connection |
Crimp ferrules |