MTL4546 Hazardous Area Isolator – 4/20mA HART Converter

MTL4546 Hazardous Area Signal Isolator – Safe 4/20mA & HART Communication

Key Specifications

• Brand: MTL
• Model: MTL4546 (Hazardous Area Certified)
• Safety Ratings: Uo=28V, Io=93mA, Po=651mW
• Input Range: 1mA (under) to 24mA (over)
• Accuracy: ±20µA at 20°C
• Temperature Stability: <1µA/°C drift
• Power: 24V DC, 0.8W max
• LED: Green power indicator

Safety & Compliance

• Certified for explosive environments (Zone 0/Div. 1).
• Low ripple: <40µA noise.
• Isolated design prevents ground loops.

Shipping & Warranty

• 12-month warranty against defects.
• Shipped via FedEx, UPS, DHL.

FAQ

• Q: Can the MTL4546 work in Zone 0?
  A: Yes, when properly certified.
• Q: What’s the max load voltage?
  A: 16V at 20mA (800Ω load).
• Q: Does it need external power?
  A: Yes, 24V DC required.
• Q: How to detect wiring faults?
  A: Current drops below 0.9mA.
• Q: Is calibration needed?
  A: No, factory pre-calibrated.