Relay with Intrinsically Safe Inputs
Model ISR4-R 4 Channel



Features
  • 4 Channels
  • Shorted Input Sensing
  • Open Input Sensing
  • Outputs Isolated
    from Supply
  • Contact or Probe Inputs
  • Conductivity or
    Resistance Inputs
  • Output and Input
    LED Indication
  • Independent Operation
  • Pluggable Terminal Blocks
  • DIN or Surface Mount
  • 24 to 240VAC Supply
Specifications
Electrical
  • Supply Voltage: 24, 120 & 240VAC ±10%
  • Power: 2VA
  • Inputs: Switch Closure or Probe (Conductivity)
  • Input Sensitivity: 3K - 1.5MΩ
  • Pick-up & Drop-out Delays: 1 second
  • Max. Open Circuit Voltage: 5 volts AC
  • Max. Source Current: 0.1 milliamp AC
  • Output Rating @ 25°C:
    5 Amps or 100VA per contact
    10 Amps total
    250VAC maximum contact rating
    10,000,000 Mechanical Cycles

Physical

  • Mounting: DIN Rail mount
  • Termination: Touch safe screw terminals,
    with lift mechanism, #12 AWG max. for
    supply and relay contacts, #16 AWG
    max. for intrinsically safe inputs.
  • Weight:  10 oz.
  • Dimensions: See figure at left

Ambient Temperatures

  • Operating: 0°C to 50°C
  • Storage: -40°C to 85°C


Download Catalog Sheet
in PDF Format


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