MTL5018 Dual-Channel Isolator | Relay Safety Solution

MTL5018 Dual-Channel Safety Isolator: Hazardous Area Control Solution

Product Overview

The MTL5018 connects hazardous-area sensors to safe-zone equipment. This industrial isolator features dual relays, line fault detection, and flexible phase control for explosive environments like Zone 0.

Technical Specifications

• Brand: MTL
• Model: 5018 Series
• Certification: Zone 0/IIC/T6
• Input Voltage: 7-9V DC per sensor
• Response Time: <10ms
• Contact Rating: 250V AC/2A
• Power Consumption: 1.4W @24V
• Current Draw: 60mA @24V
• Isolation: 250V AC/DC
• Operating Temp: -20°C to +70°C

Connection Points

• 1/2: Channel 1 sensor ±
• 3: Earth leakage (Ch1)
• 4/5: Channel 2 sensor ±
• 6: Earth leakage (Ch2)
• 10-12: Ch1 relay contacts
• 7-9: Ch2 relay contacts
• 13/14: Power supply

Visual Status Indicators

• Green: Power ON
• Yellow: Channel active
• Red: Line fault detected

Configuration Guide

• Top switches select LFD/phase modes
• Install resistors for contact inputs:
  • 500Ω-1kΩ in series
  • 20kΩ-25kΩ parallel
• Suppress reactive loads on relays

Safety Approvals

• ATEX/IECEx Zone 0, IIC, T6
• Division 1, Group A
• NAMUR DIN 19234 compliant

Package & Support

• Includes: Isolator unit, manual
• Warranty: 12-month coverage
• Shipping: FedEx/UPS/DHL worldwide

Expert Questions Answered

• Q: Earth leakage detection purpose?
  A: Monitors ground faults in field circuits
• Q: Minimum sensor requirements?
  A: NAMUR-compatible proximity detectors
• Q: Response time for faults?
  A: Under 10ms relay activation
• Q: Power supply options?
  A: 13-14: DC power input terminals
• Q: Relay contact type?
  A: SPDT (single pole double throw)

Alternative Solutions

• MTL5049: 4-20mA signal booster
• MTL5043: Single-channel HART communicator