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معرفی محصول رله بریر مدل MTL4516-5516c دارای دو کانال و قابلیت تشخیص خط خطاو فاز نرمال است .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 توضیحات محصول The MTL4516-5516c enable two safe-area loads 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 each channel is selected by a switch on the side of the module and output is provided by changeover relay contacts Number of channels Two 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) nomina Safe-area output Two single-pole relays with changeover contacts Note: reactive loads must be adequately suppressed SIL capable These models have been assessed for use in IEC 61508 functional safety applications. SIL2 capable for a single device (HFT=0) SIL3 capable for multiple devices in safety redundant configurations (HFT=1) See data on MTL web site and refer to the safety manual