MTL4544D HART Signal Isolator Dual-Channel 4-20mA

MTL4544D HART Power Isolator: Dual-Output Transmitter Energizer for Explosive Environments

Core Innovation

Power 2/3-wire 4-20mA transmitters in hazardous zones while sending signals to two safe-area devices. The MTL4544D supports HART communication for smart diagnostics.

Precision Performance

• Output Range: 0-24mA (handles 120% over-range)
• Load Capacity: 360Ω @ 24mA / 450Ω @ 20mA
• Ripple: <50μA peak-to-peak
• Temp Stability: <0.8μA/°C drift
• Power: 24V DC (96mA operation)
• Certifications: ATEX Zone 0, IECEx, UL Div 1

HART Connectivity

• Bi-directional communication via Terminals 1 & 2
• Works with all HART-enabled 2-wire transmitters
• Green power LED for instant status check

Explosion Safety

• Simple apparatus certified:
  ≤1.5V |
  ≤0.1A |
  ≤25mW
• Safe for IS loops <28V
• Um = 253V isolation rating

Quick Setup

• Pre-labeled terminals for fast wiring
• No configuration tools required
• Supports 2-wire, 3-wire, and 4-wire transmitters

Warranty & Shipping

• 12-month defect warranty
•  Worldwide express delivery: FedEx/UPS/DHL
•  Includes isolator

FAQ

• Q: Can I use 4-wire transmitters?
  A: Yes, but HART communication not supported.
• Q: Maximum cable length?
  A: 2000m with 0.5mm² shielded cable.
• Q: Operating temperature limits?
  A: -25°C to +70°C standard range.
• Q: Can both outputs drive indicators?
  A: Yes, for simultaneous DCS and local display.
• Q: HART communication speed?
  A: 1200 bps standard HART protocol.