Description
MTL4015: Dual Output Safety Interface
The MTL4015 lets one hazardous area sensor control two safe area systems. It features two relay outputs for control and shutdown systems. With built-in line fault detection and phase reversal. Perfect for critical safety applications in explosive areas.
Technical Specifications
Brand: MTL
Model: 4015
Input Type: NAMUR proximity or dry contact
Sensor Voltage: 7.0-9.0V DC from 1kΩ
Output Relays: 2 double-pole contacts
Contact Rating: 10W, 0.5A, 35V DC
Response Time: 2ms maximum
Hazardous Rating: Zone 0, IIC, T6 / Div 1, Group A
Line Fault Detection: Open <100μA, Short >6.5mA
Hysteresis: 200μA typical
Power Consumption: 50mA at 24V
Power Dissipation: 1.2W at 24V
Isolation: 250V AC between areas
Safety Parameters: 10.5V, 800Ω, 14mA
FM Parameters: Voc=10.5V, Isc=14mA
LED Indicators: Green (power), Amber (output)
Contact Life: 10^6 operations at max load
Operating Temperature: -20°C to +60°C
Termination: Screw terminals
Mounting: DIN rail compatible
Frequently Asked Questions
Why two relay outputs?
For sending sensor status to both control system and safety shutdown system simultaneously.
How does earth fault protection work?
Connect terminal 6 to MTL4220 earth leakage detector for fault detection without system failure.
Can I disable line fault detection?
Yes, LFD can be disabled using the top switch to prevent false triggers with certain sensors.
What is the purpose of phase reversal?
It allows choosing whether sensor open or closed state triggers the alarm condition.
What loads can the relays handle?
10W, 0.5A at 35V DC – suitable for most control and alarm circuits.
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