MTL4787 Twin Safety Barrier | Schottky Diode IS

MTL MTL4787+ Twin 2-Channel Safety Barrier – Advanced Hazardous Area Protection

Technical Specifications

• Brand: MTL | Model: MTL4787+ | Type: IS Barrier
• Input Voltage: 28V DC | Current Output: 93mA max per channel
• Channel 1 & 3: 300Ω resistance | Channel 2 & 4: 0.9V+22Ω
• Voltage Range: 26.3V (working) to 27.0V (max)
• Fuse Protection: Dual 50mA fast-acting fuses
• Safety Parameters:
  • BASEEFA IIC: 1µF capacitance / 0.13mH inductance
  • FM Groups A/B: 0.12µF capacitance / 2.31mH inductance

Device Compatibility

• Works with all 4-20mA instruments (including HART®)
• Interfaces with Siemens/Rockwell/Honeywell PLCs
• Not for earth-return systems (use MTL4728+ instead)

Global Certifications

• ATEX/IECEx BASEEFA Group IIC
• FM Approved Groups A/B
• CE Marked (EN 60079-11)

Package Includes

• 1x MTL4787+ barrier unit
• 2x 50mA replacement fuses
• Multilingual installation guide
• 12-month warranty

Worldwide Shipping

• FedEx Priority (2-3 business days)
• UPS Worldwide Express
• DHL International Direct

Frequently Asked Questions

• Q: Difference between MTL4787+ and P+ version?
  A: P+ handles higher power loads
• Q: Can I use only one channel?
  A: Yes, unused channels remain inactive
• Q: Temperature operating range?
  A: Standard industrial -20°C to +60°C