MTL Switch/Proximity Detector Interface Isolator MTL4016

MTL4016 Dual-Channel Relay Isolator with Dual Outputs

Dual-Channel, Dual-Output Design

• 2 hazardous area inputs control 4 safe-area relays

• Independent phase reversal per channel

• Line fault detection for both channels

• Earth fault monitoring (with MTL4220)

Key Specifications

Input Voltage: 7-9V DC via 1kΩ

Thresholds: 1.2mA (OFF) / 2.1mA (ON)

Relay Outputs: 4x SPDT (2 per channel)

Contact Rating: 0.5A @35V DC (10W)

Response Time: 2ms maximum

Protection Features

• Line Fault Detection: Detects opens (<100µA) and shorts (>6.5mA)

• Configurable LFD: Can be disabled via DIP switches

• Earth Fault Monitoring: Via MTL4220 connection

• Isolation: 250V AC between zones

Typical Applications

• Process Control: Dual redundant signaling

• Safety Systems: Control + shutdown paths

• Monitoring: Alarm + logging systems

Terminal Guide

Input 1: 1(-), 2(+)

Input 2: 4(-), 5(+)

Output 1A: 7,8

Output 1B: 10,11

Output 2A: 8,9

Output 2B: 11,12

Earth Fault: Connect MTL4220 to 3 & 6

Package Contents

• MTL4016 isolator unit

• DIN rail mounting kit

• Installation manual

• Terminal labels