MTL3042 Loop-Powered Isolator – Precision 4-20mA Signal Repeater
Simple & Reliable Signal Isolation
The MTL3042 provides safe current replication between hazardous and safe areas. Perfect for I/P converters and actuators with loop-powered simplicity.
Key Benefits
- Loop-powered operation (no separate supply needed)
- 4-20mA input and output
- Compact 160g design
- Fast 70ms response
- Replaceable 50mA fuse protection
Technical Specifications
| Model: | MTL3042 (Full: MTL3042-RT-17-0-0) |
| Input Voltage: | 11-35V DC |
| Output Voltage: | Up to 28V @ 300Ω |
| Accuracy: | ±50μA at 20°C |
| Temp Drift: | <2μA/°C |
| Ripple: | <100μA p-p |
| Isolation: | 250V AC/DC |
Easy Connection
- Connect input 4-20mA signal
- Wire to field device (I/P converter)
- Power from loop (11-35V DC)
- Replaceable fuse protection
Safety Certified
Approved for Zone 0 IIC T4-T6 and Division 1 Group A. FM certified: 28V, 93mA.
Package Contents
- 1 MTL3042 isolator
- Spare 50mA fuse
- Installation guide
Common Questions
- When to use MTL3045 instead?
When lower voltage drop is needed. - Can I control from either side?
Yes – current matches on both sides. - Replacement fuse type?
50mA, 5x20mm glass time-lag. - Minimum input voltage?
11V DC required. - Waterproof rating?
IP20 – indoor installations only.
Shipping & Warranty
Fast delivery via FedEx/UPS/DHL. Your MTL3042 includes 12-month quality guarantee.
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