رله بریر مدل MTL4521L تک گاناله میباشد.در مناطق ضد انفجار مورد استفاده قرار میگیردو ولتاژ ورودی 35-20 ولت Minimum output voltage: 13.6V at 48mA Maximum output voltage: 24V from 180Ω
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