MTL4023 Single-Channel Safety Isolator for Zone 0/Div 1

MTL4023 Safety Interface: Single-Channel Hazardous Area Control with Instant Fault Protection

Core Function

Control explosion-proof devices from safe areas with one switch. The MTL4023 drives solenoids in Zone 0/IIC T4-6 locations while detecting wiring faults in real-time.

Technical Specifications

• Max Output: 25V @ 170Ω
• Response Time: <100ms to 90% value
• Ripple: <0.5% peak-to-peak
• LFD Range: 50Ω–7kΩ impedance
• Power: 20-35V DC (90-130mA)
• Temp Range: -20°C to +60°C

Smart Protection

• Auto-shutdown on line faults
• Earth fault detection via Terminal 6
• Zener-diode protection against spikes
• Tri-color status LEDs:
  Green (power),
  Amber (active),
  Red (fault)

Simple Installation

• Clear terminal labeling (1,4,6,7,8,10,11,13,14)
• No tools needed for basic setup
• Works with open-collector transistors/logic drives

Reliability Guarantee

• 12-month warranty
• Global express shipping: FedEx/UPS/DHL
• Includes isolator, manual

Model Comparison

• MTL3081: Thermocouple isolator for temperature sensors
• MTL4516: Dual-channel control module

Expert FAQ

• Q: Voltage needed to activate output?
  A: <1.4V across terminals 10 & 11 turns ON.
• Q: Does LFD work when output is off?
  A: Yes! Detects faults at all times.
• Q: Earth leakage detection setup?
  A: Connect MTL4220 to Terminal 6.
• Q: Maximum solenoid power?
  A: 25V with 170Ω impedance limit.
• Q: Certifications included?
  A: ATEX, IECEx, UL Class I Div 1.