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MTL Instruments | MTL5018AC Relay Interface

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About the Product

MTL5018AC Dual-Channel Relay Interface (AC Powered)

Key Features

  • AC-Powered - 85-265V AC operation
  • Two 2A relays with changeover contacts
  • Independent phase reversal per channel
  • Visual line fault diagnostics

Technical Specifications

Input Characteristics
  • Type: NAMUR/DIN 19234 compliant
  • Voltage: 7-9V via 1kΩ ±10%
  • ON Threshold: >2.1mA or <2kΩ
  • OFF Threshold: <1.2mA or >10kΩ
  • Hysteresis: 200μA typical
Relay Outputs
  • Type: SPDT Changeover
  • Rating: 2A @250V AC (cosφ>0.7)
  • Response Time: <10ms
  • DC Rating: 2A @40V
Line Fault Detection
  • Open-Circuit: <100μA (alarm)
  • Short-Circuit: <100Ω (alarm)
  • Required Resistors:
    • Series: 500Ω-1kΩ
    • Parallel: 20kΩ-25kΩ

Terminal Connections

Channel 1

1: Input -ve
2: Input +ve
10: NC
11: COM
12: NO

Channel 2

4: Input -ve
5: Input +ve
7: NC
8: COM
9: NO

Power Supply

13: AC Live
14: AC Neutral

Status Indicators

  • Green: Power ON
  • Yellow (x2): Relay energized
  • Red (x2): Line fault detected

Certifications & Safety

  • Zone 0, IIC, T4-T6
  • Div. 1, Group A
  • Isolation: 250V AC/DC
  • Safety per channel: 10.5V, 800Ω, 14mA

Package Includes

  • MTL5018AC interface module
  • DIN rail mounting kit
  • Installation manual
  • 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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