The EATON MTL4544 Repeater Power Supply is a fully‑floating DC supply module designed to power two conventional 2‑wire or 3‑wire 4/20mA or HART transmitters located in hazardous areas. It ensures reliable signal transmission by repeating current in other circuits to drive two safe‑area loads, making it a trusted solution for industrial automation and process control systems.
Key Technical Specifications
Model / Part Number:MTL4544
Manufacturer: EATON
Product Type: Repeater Power Supply
System Compatibility: PLC / process automation systems
Power Supply: 24V DC maximum sourcing
Signal Range: 4–20mA (0–24mA under/over‑range capability)
Safe‑Area Load Resistance: Up to 450Ω at 20mA, 360Ω at 24mA
Safe‑Area Output Resistance: >1MΩ
Hazardous Area Certification: Zone 0, IIC, T4–6; Div. 1, Group A
Dimensions: 12.2 × 10.7 × 3 cm
Weight: 0.38 kg
Country of Origin: USA
HS Code: 8537101190
Minimum Order Quantity: 1 unit
Condition: Brand New
Availability: In stock
Lifecycle Status: Active
Communication: Ethernet diagnostics/configuration (not a router)
Functional Highlights
Powers two 2‑wire or 3‑wire transmitters in hazardous areas.
Repeats current to drive safe‑area loads.
Supports HART digital communication signals.
Flexible operation as current source or sink.
Certified for hazardous area installations.
Reliable performance with high output resistance and precise signal handling.
Applications
Hazardous area instrumentation (Zone 0, Div. 1).
Oil & gas, chemical, and power generation industries.
Process automation requiring safe and reliable transmitter power.
Smart transmitter integration with HART communication.
FAQ
Q: How many transmitters can the MTL4544 power? A: Up to two conventional 2‑wire or 3‑wire transmitters.
Q: Does it support HART communication? A: Yes, it allows bi‑directional digital signals superimposed on the 4/20mA loop.
Q: What hazardous areas is it certified for? A: Zone 0, IIC, T4–6 and Div. 1, Group A.
Q: What is the maximum safe‑area load resistance? A: 450Ω at 20mA and 360Ω at 24mA.
