Achievers Automation Limited
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MTL5561 DIN Rail Isolating IS Interface Unit
The MTL5561 is a loop-powered 2–channel interface for use with conventional fire and smoke detectors located in hazardous areas.
Product type : Fire And Smoke Detector Interface
Number of channels : Two, fully floating, loop powered
Location of fire and smoke detectors : Zone 0, IIC, T4–6 hazardous area if suitably certified Div. 1, Group A, hazardous area
Input voltage : 6 to 30V dc
Current range : 1 to 40mA, nominal
Quiescent safe–area current at 20°C : (hazardous–area terminals open circuit) < 400µA at Vin = 24V per channel
Integral input polarity protection : Input circuit protected against reverse polarity
Minimum output voltage Vout at 20°C : For Vin = 25V: Vout = Vin – (0.38 x current in mA) – 2V, For Vin > 25V: Vout = 22.5V – (0.35 x current in mA)
Maximum output voltage : 28V from 300?
Transfer accuracy at 20°C : Better than 400µA
Temperature drift : < 4µA/°C ( 0°C to 60°C), < 15µA/°C (–20°C to 0°C)
Response time to step input Settles to within 5% of final value within 1.5ms
Power dissipation within unit : 0.7W maximum at 24V with 40mA signal (each channel) 0.9W maximum at 30V with 40mA signal (each channel)
Safety description for each channel Uo=28V Io=93mA Po=0.65W Um = 253V rms or dc
Shipping weight : 2 Kg
