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MTL5061 Detector Interface | MTL Instruments

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About the Product

MTL5061 Dual-Channel Fire/Smoke Detector Interface

Loop-powered interface for hazardous area detectors

Key Features

Safety • Reverse polarity protection
• Optional earth fault detection
• Zone 0, IIC, T4-T6 certified
Performance • 1-40mA current range
• 30ms response time
• ±400μA accuracy

Technical Specifications

Parameter Value
Output Voltage 28V max (300Ω)
Supply Range 6-35V DC
Power Dissipation 0.7W @24V (per channel)
Temperature Range -20°C to +60°C

Terminal Connections

Channel Terminal Function
1 1 Output -ve
2 Output +ve
3 Earth detect
11 Input -ve
12 Input +ve

Earth Leakage Detection

Requires MTL4220 detector (introduces 100μA, 1Hz ripple)

Output Voltage Calculation

Vout = min[ Vin - (0.38 × I) - 2V , 21V - (0.35 × I) ]
Where I = current in mA

Applications

  • Petrochemical plant fire detection
  • Refinery smoke monitoring
  • Explosive atmosphere safety systems
  • Quick Quotes: Receive pricing and availability fast from our dedicated customer service team.
  • Delivery: Expedited, freight, and international shipping available worldwide.
  • Warranty: NexAuto offers a 12-month warranty on all parts purchased from us, in addition to any manufacturer coverage.
  • Returns: 30-day return policy for defective or mismatched parts, ensuring peace of mind.
  • Payment: Flexible options including major credit cards, PayPal, and bank transfers.
  • Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.
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