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رله بریر مدل MTL4511
معرفی محصول
ر له بریرمدل MTL4511 تک کاناله میباشد.این رله در مناطق ضد انفجار استفاده میشود.
Outputs closed if input > 2.1mA (< 2kΩ in input circuit
Outputs open if input < 1.2mA (> 10kΩ in input circuit
توضحات محصول
The MTL4511 enables a safe-area load to be controlled by a switch or proximity detector located in a hazardous area. When selected, open or short circuit conditions in the field wiring are detected by the linefault-detect (LFD) facility and also indicated on the top of the module. Phase reversal for the channel is selected by a switch on the side of the module and output is provided by changeover relay contacts
Number of channels One
Location of switches Zone 0, IIC, T6 hazardous area Div. 1, Group A hazardous
location Location of proximity detector Zone 0, IIC, T4–6 hazardous area if suitably certified Div. 1, Group A hazardous location
Hazardous-area inputs Inputs conforming to BS EN60947–5–6:2001 standards for proximity detectors (NAMUR) Voltage applied to sensor 7 to 9V dc from 1kΩ ±10%
Input/output characteristics Normal phase Outputs closed if input > 2.1mA (< 2kΩ in input circuit) Outputs open if input < 1.2mA (> 10kΩ in input circuit) Hysteresis: 200µA (650Ω) nomin
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