MTL4516 Hazardous Area Safety Module | Dual-Channel Control

MTL4516 Dual-Channel Safety Interface: Advanced Hazardous Area Control with Line-Fault Detection

Technical Specifications

• Brand/Model: MTL MTL4516 Safety Interface Module
• Input Range: 7-9V DC via 1kΩ±10% source
• Switching Thresholds:
  • Output ON: >2.1mA (<2kΩ)
  • Output OFF: <1.2mA (>10kΩ)
• LFD Sensitivity:
  • Open-circuit: Alarm ON <50μA, OFF >250μA
  • Short-circuit: Alarm ON <100Ω, OFF >360Ω
• Response Time: ≤10ms
• Relay Rating: 10W / 0.5A / 35V DC (Safe Area & Zone 2)
• Power Consumption: 35mA max @24V (0.84W)
• Environmental Rating: Zone 0, IIC, T6 / Div.1, Group A

Installation Guide

• Mount in safe area enclosures only
• For contact inputs:
  • Add 500Ω-1kΩ series resistor
  • Install 20kΩ-25kΩ parallel resistor
• Suppress reactive loads at output contacts

Diagnostics & Maintenance

• Tri-color LED indicators:
  • Green: Power status
  • Yellow (x2): Channel active
  • Red (x2): Fault detected
• Auto-shutdown on fault detection
• No routine maintenance required

Compatibility

• Works with all NAMUR-compliant sensors
• Accepts mechanical switches (with resistors)
• Compatible with Zone 0/Div.1 field devices

Certifications

• Compliant with BS EN60947-5-6:2001
• Certified for Zone 0, IIC, T6
• Approved for Division 1, Group A
• Safety parameters: Uo=10.5V, Io=14mA, Po=37mW

Package & Shipping

• Includes: MTL4516 module, installation guide
• 12-month warranty
• Global shipping via FedEx/UPS/DHL

FAQ

• Q: Can I use standard switches?
  Yes – with specified resistors for LFD function.
• Q: How are faults indicated?
  Dedicated red LED per channel + relay deactivation.
• Q: What’s the relay lifespan?
  Minimum 100,000 operations at rated load.