MTL4041P Hazardous Area Isolator – 4-20mA HART

MTL4041P Intrinsic Safety Barrier: HART®-Enabled 4-20mA Signal Isolator for Hazardous Areas

Technical Specifications

• Brand/Model: MTL MTL4041P Isolator
• Input/Output Range: 4-20mA (1.0-21.5mA over-range)
• Frequency Response: 10Hz-8kHz HART® bandwidth
• Accuracy: Better than 20µA at 20°C
• Temp Stability: <1µA/°C drift
• Response Time: <20ms to 200µA of target
• Voltage Output: 16.3V min @20mA (28V max)
• Load Resistance: 0-650Ω (250Ω±10% for HART®)

Robust Design Features

• Certifications: FM/ATEX for Zone 0, IIC T4-T6, Div.1 Group A
• Isolation Barrier: 250V AC protection
• Ripple Rejection: <50µA p-p noise
• Diagnostics: Green power LED indicator
• Entity Parameters: Voc=28V, Isc=118mA, Ca=0.14µF, La=2.76mH

Easy Integration

• Installation: DIN-rail mounting with screw terminals
• HART® Support: Terminals 3-4 & 7-8 for communicators
• Compatibility: All 4-20mA transmitters, hazardous-area sources
• Wiring Reference:
  2:Tx+ 3:HHC+ 4:HHC- 5:I- 6:Com
  7:HHC+ 8:HHC- 9:Out+ 11:Out- 13:V- 14:V+

Certifications & Support

• Safety Rating: Non-energy storing (≤1.2V/0.1A/20µJ)
• Warranty: 12-month quality guarantee
• Shipping: FedEx, UPS, DHL global delivery
• Package: Unit, installation guide, compliance certificates

Frequently Asked Questions

• Q: HART® support on terminals 5-6?
  A: No – Use terminals 3-4 or 7-8
• Q: Minimum voltage for transmitters?
  A: 16.3V guaranteed at 20mA load
• Q: Suitable for Group A explosives?
  A: Yes with certified field devices