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Built-in LEDs [Type LD1, LD3]
If operational and switching statuses are to be reported optically, then the built-in LD1 and LD3 LEDs are the ideal solution. They may only be installed into intrinsically safe switch casings, connection boxes and distributors and are exclusively intended for mining operations. They can also be delivered as last members for inspection and monitoring of intrinsically safe control lines.
I M2 Ex ia I
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