MTL3041 Signal Isolator | Hazardous Area 4-20mA Solution

MTL3041 Signal Isolator: Precision 4-20mA Hazardous Area Solution

Isolated Current Protection

The MTL3041 safely powers 2-wire transmitters in explosive zones. It repeats 4-20mA signals with ultra-stable accuracy. Perfect for avoiding ground loop errors in critical measurements.

Technical Specifications

• Brand: MTL
• Model: 3041 Series
• Certification: Zone 0/IIC/T4-6
• Output Voltage: 17.5V min @20mA (28V max)
• Accuracy: ±20μA @20°C
• Temp Drift: <1μA/°C
• Response Time: 60ms typical
• Ripple: <10μA p-p
• Load Capacity: 0-800Ω safe area
• Power Input: 20-35V DC
• Fuse: 125mA semi-time-lag
• Isolation: 250V AC/DC
• Weight: 160g compact

Configuration Notes

• For smart transmitters use MTL3046B
• Calculate max line resistance: (17.5V – transmitter V) × 50Ω
• Ensure load resistance ≤800Ω in safe area
• Replace fuse with DIN 41571 standard type

Safety Certifications

• ATEX/IECEx Zone 0, IIC, T4-T6
• Division 1, Group A compliant
• FM Entity Parameters: Voc=28V, Isc=93mA

Package & Support

• Includes: Isolator unit, documentation
• Warranty: 12-month coverage
• Shipping: Global FedEx/UPS/DHL

Expert Questions Answered

• Q: Minimum transmitter voltage?
  A: Works with any transmitter needing ≤17.5V @20mA
• Q: Smart transmitter compatibility?
  A: Use MTL3046B for HART/FOUNDATION
• Q: Grounding requirements?
  A: Tolerates accidental grounding of field cables
• Q: Measurement stability?
  A: <1μA/°C drift ensures long-term accuracy
• Q: Maximum cable resistance?
  A: Calculate as (17.5V – transmitter V) × 50Ω