رله بریر مدل MTL4521L

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

Number of channels One

Location of load Zone 0, IIC, T4–6 hazardous area if suitably certified Div. 1, Group A hazardous location Minimum output voltage                           Equivalent output circuit

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