Product details
MTL4549 Hazardous Area Barrier: Smart Dual-Channel Isolator with HART® Support
Technical Excellence
- Brand/Model: MTL4549 (C/Y variants available)
- Signal Range: 4-20mA with 24mA over-range capacity
- Load Capacity: Up to 800Ω devices
- Lightning Response: 100ms settling time
- Crystal-Clear Signals: <40µA ripple noise
- Temperature Stability: <1.0µA/°C drift
- HART® Bandwidth: 500Hz-10kHz
- Power Efficiency: 1.6W at 24V operation
Safety & Certifications
- Approved for Zone 0/IIC T4-6 and Division 1/Group A
- Safety ratings: 28V, 93mA, 0.65W
- ATEX, IECEx, FM certified
Why Choose MTL4549?
- ✅ Dual fault detection (open + short circuits)
- ✅ Visual power LED for instant status check
- ✅ 1MΩ output resistance prevents signal distortion
- ✅ Direct replacement for older MTL4040 series
Frequently Asked Questions
- Q: Can it handle HART® 7 devices?
A: Yes, full bidirectional HART® support - Q: What’s the difference between MTL4549 and MTL4549C?
A: MTL4549C detects open circuits only (no short-circuit detection) - Q: Minimum load for short-circuit detection?
A: Triggers below 50Ω resistance - Q: Is calibration required?
A: No – maintains accuracy automatically - Q: Can I use this with pressure converters?
A: Yes, designed for I/P converters and similar loads
Package & Support
- 12-month warranty included
- Shipped worldwide via FedEx/UPS/DHL
- Includes: Barrier unit, installation guide
Upgrade Comparison
- MTL4549 vs MTL4031: Our barrier adds HART® support and dual fault detection
Compare MTL4031 details → - MTL4549 vs MTL4017: Higher load capacity (800Ω vs 600Ω) and faster response
See MTL4017 specs →
There are no reviews yet.