MTL4032 Pulse Isolator | Zone 0 Signal Converter | 50kHz

MTL4032 Pulse Isolator: Ultra-Fast Signal Protection for Hazardous Areas

Hazard Zone Pulse Guardian

The MTL4032 safely isolates switches, proximity sensors and pulse transmitters in explosive areas (Zone 0/Div.1). Handles high-speed signals up to 50kHz with 10µs response. Perfect for critical monitoring systems.

Technical Specifications

• Model: MTL4032 (single-channel)
• Frequency range: 0-50,000Hz
• Pulse speed: 10µs min (high/low states)
• Input types:
  • Switches: Simple open/close detection
  • Proximity: 7-9V DC excitation
  • Current pulse: 16.5V@20mA supply
  • Voltage pulse: 3/6/12V selectable
• Output capacity: 50mA max / 35V off-state
• Power: 24V DC / 65mA
• Isolation: 250V AC safety barrier
• Temp range: -20°C to +60°C

Wiring Guide

• Power: Terminal 14 (+ve), 13 (-ve)
• Sensors:
  • Switch: Term 2 (+ve), 1 (-ve)
  • Current pulse: Term 3 (+ve), 1 (-ve)
  • Voltage pulse: Term 5 (+ve)
• Output: Terminal 7 (+ve), 8 (-ve)

Detection Thresholds

• Proximity sensors:
  • ON >2.1mA (<2kΩ)
  • OFF <1.2mA (>10kΩ)
• Current pulses:
  • ON >9.0mA
  • OFF <7.0mA

Safety Certifications

• ATEX/IECEx: Zone 0, IIC, T4-T6
• FM: Div.1, Group A
• Entity: 28V, 300Ω, 93mA

Package & Support

• 1× MTL4032 isolator unit
• Quick-start guide
• 12-month warranty
• Global shipping: FedEx/UPS/DHL

Expert FAQs

• Q: What’s the max cable length?
  A: 500m with 18AWG shielded cable
• Q: Can it handle 120V AC sensors?
  A: No – max 28V DC inputs only
• Q: Is calibration needed?
  A: No – factory pre-calibrated
• Q: How to select voltage thresholds?
  A: Use switch on top (3/6/12V options)
• Q: Can I monitor multiple sensors?
  A: Yes – via separate channels