SC Automation Limited
SC Automation Limited
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The MTLx521 and the MTL4521L are loop-powered modules which enable a device located in the hazardous area to be controlled from the safe area. They can all drive a certified intrinsically safe low-power load, as well as non-energy-storing simple apparatus such as an LED.
SPECIFICATION
Number of channels:One
Location of load:Zone 0, IIC, T4–6 hazardous area if suitably certified Div. 1, Group A hazardous location
Input voltage:20 to 35V dc
Hazardous-area output (MTLx521):Minimum output voltage: 13.6V at 48mA；Maximum output voltage: 24V from 180Ω；Current limit: 48mA minimum
Hazardous-area output (MTL4521L):Minimum output voltage: 11.1V at 48mA；Maximum output voltage: 24V from 232Ω；Current limit: 48mA minimum
Output ripple:< 0.5% of maximum output, peak to peak
Response time:Output within 10% of final value within 100ms
LED indicator:Yellow: output status, on when output active
Maximum current consumption:90mA at 24V
Power dissipation within unit:1.4W at 24V
Safety description (MTLx521):Uo =25V Io =147mA Po =0.92W Um = 253V rms or dc
Safety description (MTL4521L):Uo = 25V Io = 108mA Po = 0.68W Um = 253V rms or dc
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